Citigroup Commercial Mortgage Trust 2015-GC31
09/26/2024 | Press release | Distributed by Public on 09/26/2024 12:16
Asset Backed Issuer Distribution Report Form 10 D
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| STATEMENT TO NOTEHOLDERS |
| September 12, 2024 |
| TRANSACTION PARTIES | ||
| Depositor: | Citigroup Commercial Mortgage Securities Inc. | |
| Master Servicer: | Wells Fargo Bank, National Association | |
| Certificate Administrator: | Citibank, N.A. | |
| Trustee: | Deutsche Bank Trust Company Americas | |
| Special Servicer: | Torchlight Loan Services, LLC | |
| Operating Advisor: | Pentalpha Surveillance LLC. | |
| Danny Lee | Citibank, Agency and Trust | |
| (212) 816-4936 | 388 Greenwich Street Trading, 4th Floor | |
| [email protected] | New York, NY 10013 |
| TABLE OF CONTENTS | |||
| 1 | . | Distribution Summary | 2 |
| 1.1 | . | Summary | 2 |
| 1.2 | . | Factors | 3 |
| 1.3 | . | Interest Detail | 4 |
| 1.4 | . | Interest Shortfall Detail | 5 |
| 1.5 | . | Principal Detail | 6 |
| 2 | . | Reconciliation Detail | 7 |
| 3 | . | Other Information | 8 |
| 4 | . | Stratification Detail | 9 |
| 5 | . | Mortgage Loan Detail | 14 |
| 6 | . | NOI Detail | 16 |
| 7 | . | Delinquency Loan Detail | 18 |
| 8 | . | Collateral Performance Delinquency and Loan Status Detail | 19 |
| 9 | . | Appraisal Reduction Detail | 20 |
| 10 | . | Historical Appraisal Reduction Detail | 21 |
| 11 | . | Loan Modification Detail | 23 |
| 12 | . | Historical Loan Modification Detail | 24 |
| 13 | . | Specially Serviced Loan Detail | 26 |
| 14 | . | Historical Specially Serviced Loan Detail | 27 |
| 15 | . | Unscheduled Principal Detail | 31 |
| 16 | . | Historical Unscheduled Principal Detail | 32 |
| 17 | . | Liquidated Loan Detail | 33 |
| 18 | . | Historical Liquidated Loan Detail | 34 |
| 19 | . | CREFC Investor Reporting Package Legends | 35 |
| 20 | . | Notes | 36 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 1 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| DISTRIBUTION SUMMARY |
| September 12, 2024 |
| Accrual | Other | Non-Cash | |||||||||||
| Original | Prior | Pass-Through | Day | Interest | (As Interest) | Principal | Total | Realized Loss | Balance | Current | |||
| Class | Balance | Balance | Rate | Count | Distributed | Distributed | Distributed | Distributed | /(Recovery) | Change | Balance | ||
| Class A-1 | 28,330,000.00 | - | 1.637000 | % | 30/360 | - | - | - | - | - | - | - | |
| Class A-2 | 2,298,000.00 | - | 3.084000 | % | 30/360 | - | - | - | - | - | - | - | |
| Class A-3 | 160,000,000.00 | 144,903,327.65 | 3.497000 | % | 30/360 | 422,272.45 | - | - | 422,272.45 | - | - | 144,903,327.65 | |
| Class A-4 | 268,724,000.00 | 268,724,000.00 | 3.762000 | % | 30/360 | 842,449.74 | - | - | 842,449.74 | - | - | 268,724,000.00 | |
| Class A-AB | 46,974,000.00 | 5,527,336.58 | 3.431000 | % | 30/360 | 15,803.58 | - | 875,682.65 | 891,486.23 | - | - | 4,651,653.93 | |
| Class A-S | 58,763,000.00 | 58,763,000.00 | 4.165295 | % | 30/360 | 203,971.03 | - | - | 203,971.03 | - | - | 58,763,000.00 | |
| Class B | 42,871,000.00 | 42,871,000.00 | 4.166295 | % | 30/360 | 148,844.36 | - | - | 148,844.36 | - | - | 42,871,000.00 | |
| Class C | 33,852,000.00 | 33,852,000.00 | 4.166295 | % | 30/360 | 88,600.76 | - | - | 88,600.76 | - | - | 33,852,000.00 | |
| Class D | 24,284,000.00 | 24,284,000.00 | 4.166295 | % | 30/360 | - | - | - | - | - | - | 24,284,000.00 | |
| Class E | 11,000,000.00 | 11,000,000.00 | 4.166295 | % | 30/360 | - | - | - | - | - | - | 11,000,000.00 | |
| Class F | 14,864,000.00 | 14,864,000.00 | 4.166295 | % | 30/360 | - | - | - | - | - | - | 14,864,000.00 | |
| Class G | 12,231,000.00 | 12,231,000.00 | 4.166295 | % | 30/360 | - | - | - | - | - | - | 12,231,000.00 | |
| Class H | 19,132,869.00 | 18,096,204.22 | 4.166295 | % | 30/360 | - | - | - | - | - | - | 18,096,204.22 | |
| Class S | - | - | 0.000000 | % | 30/360 | - | - | - | - | - | - | - | |
| Class R | - | - | 0.000000 | % | 30/360 | - | - | - | - | - | - | - | |
| Total | 723,323,869.00 | 635,115,868.45 | 1,721,941.92 | - | 875,682.65 | 2,597,624.57 | - | - | 634,240,185.80 | ||||
| Notional | |||||||||||||
| Class X-A | 565,089,000.00 | 477,917,664.23 | 0.438883 | % | 30/360 | 174,791.56 | - | - | 174,791.56 | - | (875,682.65 | ) | 477,041,981.58 |
| Grand Total | 1,288,412,869.00 | 1,113,033,532.68 | 1,896,733.48 | - | 875,682.65 | 2,772,416.13 | - | (875,682.65 | ) | 1,111,282,167.38 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 2 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| DISTRIBUTION SUMMARY - FACTORS |
| September 12, 2024 |
| Other | Non-Cash | |||||||||
| Record | Interest | (As Interest) | Principal | Total | Realized Loss | Balance | Current | |||
| Class | CUSIP | Date | Distributed | Distributed | Distributed | Distributed | /(Recovery) | Change | Balance | |
| Class A-1 | 17323 | YAA7 | 08/30/2024 | - | - | - | - | - | - | - |
| Class A-2 | 17323 | YAB5 | 08/30/2024 | - | - | - | - | - | - | - |
| Class A-3 | 17323 | YAC3 | 08/30/2024 | 2.63920281 | - | - | 2.63920281 | - | - | 905.64579781 |
| Class A-4 | 17323 | YAD1 | 08/30/2024 | 3.13500000 | - | - | 3.13500000 | - | - | 1,000.00000000 |
| Class A-AB | 17323 | YAE9 | 08/30/2024 | 0.33643249 | - | 18.64185826 | 18.97829076 | - | - | 99.02614063 |
| Class A-S | 17323 | YAF6 | 08/30/2024 | 3.47107925 | - | - | 3.47107925 | - | - | 1,000.00000000 |
| Class X-A | 17323 | YAL3 | 08/30/2024 | 0.30931687 | - | - | 0.30931687 | - | - | 844.18911283 |
| Class B | 17323 | YAG4 | 08/30/2024 | 3.47191248 | - | - | 3.47191248 | - | - | 1,000.00000000 |
| Class C | 17323 | YAH2 | 08/30/2024 | 2.61729765 | - | - | 2.61729765 | - | - | 1,000.00000000 |
| Class D | 17323 | YAJ8 | 08/30/2024 | - | - | - | - | - | - | 1,000.00000000 |
| Class E | 17323 | YAN9 | 08/30/2024 | - | - | - | - | - | - | 1,000.00000000 |
| Class F | 17323 | YAQ2 | 08/30/2024 | - | - | - | - | - | - | 1,000.00000000 |
| Class G | 17323 | YAS8 | 08/30/2024 | - | - | - | - | - | - | 1,000.00000000 |
| Class H | 17323 | YAU3 | 08/30/2024 | - | - | - | - | - | - | 945.81759902 |
| Class S | 17323 | YAW9 | 08/30/2024 | - | - | - | - | - | - | - |
| Class R | 17323 | YAY5 | 08/30/2024 | - | - | - | - | - | - | - |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 3 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| DISTRIBUTION INFORMATION - INTEREST DETAIL |
| September 12, 2024 |
| Rate | Interest | Shortfall | Paid | |||||||||||||
| Accrual | Net | Non | Carry | Basis | ||||||||||||
| Class | Uncapped Capped | Next | Dates | Accrued | Deferred | Recovered | Forward | Risk | Accrued | Carry Forward Basis Risk | Total | |||||
| Class A-1 | 1.63700 | % | 1.63700 | % | 1.63700 | % | 08/01-08/31 | - | - | - | - | - | - | - | - | - |
| Class A-2 | 3.08400 | % | 3.08400 | % | 3.08400 | % | 08/01-08/31 | - | - | - | - | - | - | - | - | - |
| Class A-3 | 3.49700 | % | 3.49700 | % | 3.49700 | % | 08/01-08/31 | 422,272.45 | - | - | - | - | 422,272.45 | - | - | 422,272.45 |
| Class A-4 | 3.76200 | % | 3.76200 | % | 3.76200 | % | 08/01-08/31 | 842,449.74 | - | - | - | - | 842,449.74 | - | - | 842,449.74 |
| Class A-AB | 3.43100 | % | 3.43100 | % | 3.43100 | % | 08/01-08/31 | 15,803.58 | - | - | - | - | 15,803.58 | - | - | 15,803.58 |
| Class A-S | 4.16530 | % | 4.16530 | % | 4.16530 | % | 08/01-08/31 | 203,971.03 | - | - | - | - | 203,971.03 | - | - | 203,971.03 |
| Class B | 4.16630 | % | 4.16630 | % | 4.16630 | % | 08/01-08/31 | 148,844.36 | - | - | - | - | 148,844.36 | - | - | 148,844.36 |
| Class C | 4.16630 | % | 4.16630 | % | 4.16630 | % | 08/01-08/31 | 117,531.19 | - | - | 29,429.40 | - | 88,600.76 | - | - | 88,600.76 |
| Class D | 4.16630 | % | 4.16630 | % | 4.16630 | % | 08/01-08/31 | 84,311.93 | - | - | 85,784.08 | - | - | - | - | - |
| Class E | 4.16630 | % | 4.16630 | % | 4.16630 | % | 08/01-08/31 | 38,191.04 | - | - | 38,980.70 | - | - | - | - | - |
| Class F | 4.16630 | % | 4.16630 | % | 4.16630 | % | 08/01-08/31 | 51,606.51 | - | - | 52,684.82 | - | - | - | - | - |
| Class G | 4.16630 | % | 4.16630 | % | 4.16630 | % | 08/01-08/31 | 42,464.96 | - | - | 45,120.50 | - | - | - | - | - |
| Class H | 4.16630 | % | 4.16630 | % | 4.16630 | % | 08/01-08/31 | 62,828.44 | - | - | 68,811.04 | - | - | - | - | - |
| Class S | 0.00000 | % | 0.00000 | % | 0.00000 | % | 08/01-08/31 | - | - | - | - | - | - | - | - | - |
| Class R | 0.00000 | % | 0.00000 | % | 0.00000 | % | 08/01-08/31 | - | - | - | - | - | - | - | - | - |
| Total | 2,030,275.23 | - | - | 320,810.54 | - | 1,721,941.92 | - | - | 1,721,941.92 | |||||||
| Notional | ||||||||||||||||
| Class X-A | 0.43888 | % | 0.43888 | % | 0.43888 | % | 08/01-08/31 | 174,791.56 | - | - | - | - | 174,791.56 | - | - | 174,791.56 |
| Total | 174,791.56 | - | - | - | - | 174,791.56 | - | - | 174,791.56 | |||||||
| Grand Total | 2,205,066.79 | - | - | 320,810.54 | - | 1,896,733.48 | - | - | 1,896,733.48 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 4 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| DISTRIBUTION INFORMATION - INTEREST SHORTFALL DETAIL |
| September 12, 2024 |
| Non-Recov Shortfall | Carry Forward Interest | Basis Risk Shortfall | |||||||||||
| Other | |||||||||||||
| Class | PPIS | SSRA | Shortfall | Prior | Int. on Prior | New | Paid | Outstanding | Prior | Int. on Prior | New | Paid | Outstanding |
| Class A-1 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Class A-2 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Class A-3 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Class A-4 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Class A-AB | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Class A-S | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Class B | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Class C | - | - | - | 143,716.31 | 498.97 | 28,930.43 | - | 173,145.71 | - | - | - | - | - |
| Class D | - | - | - | 424,016.64 | 1,472.15 | 84,311.93 | - | 509,800.72 | - | - | - | - | - |
| Class E | - | - | - | 227,441.79 | 789.66 | 38,191.04 | - | 266,422.49 | - | - | - | - | - |
| Class F | - | - | - | 310,581.95 | 1,078.31 | 51,606.51 | - | 363,266.77 | - | - | - | - | - |
| Class G | - | - | - | 764,863.21 | 2,655.54 | 42,464.96 | - | 809,983.71 | - | - | - | - | - |
| Class H | - | - | - | 1,723,142.50 | 5,982.60 | 62,828.44 | - | 1,791,953.54 | - | - | - | - | - |
| Class S | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Class R | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Total | - | - | - | 3,593,762.40 | 12,477.23 | 308,333.31 | - | 3,914,572.94 | - | - | - | - | - |
| Notional | |||||||||||||
| Class X-A | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Total | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Grand Total | - | - | - | 3,593,762.40 | 12,477.23 | 308,333.31 | - | 3,914,572.94 | - | - | - | - | - |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 5 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| DISTRIBUTION INFORMATION - PRINCIPAL DETAIL |
| September 12, 2024 |
| Non-Cash | Cumulative | ||||||||||||||
| Prior | Principal | Accreted | Realized Loss | Balance | Current | Realized | Class % | Class % | Sub % | Sub % | |||||
| Class | Balance | Distributed | Principal | /(Recovery) | Change | Balance | Loss | Original | Current | Original | Current | ||||
| Class A-1 | - | - | - | - | - | - | - | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % |
| Class A-2 | - | - | - | - | - | - | - | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % |
| Class A-3 | 144,903,327.65 | - | - | - | - | 144,903,327.65 | - | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % |
| Class A-4 | 268,724,000.00 | - | - | - | - | 268,724,000.00 | - | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % |
| Class A-AB | 5,527,336.58 | 875,682.65 | - | - | - | 4,651,653.93 | - | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % |
| Class A-S | 58,763,000.00 | - | - | - | - | 58,763,000.00 | - | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % |
| Class B | 42,871,000.00 | - | - | - | - | 42,871,000.00 | - | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % |
| Class C | 33,852,000.00 | - | - | - | - | 33,852,000.00 | - | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % |
| Class D | 24,284,000.00 | - | - | - | - | 24,284,000.00 | - | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % |
| Class E | 11,000,000.00 | - | - | - | - | 11,000,000.00 | - | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % |
| Class F | 14,864,000.00 | - | - | - | - | 14,864,000.00 | - | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % |
| Class G | 12,231,000.00 | - | - | - | - | 12,231,000.00 | - | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % |
| Class H | 18,096,204.22 | - | - | - | - | 18,096,204.22 | 1,036,664.78 | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % |
| Class S | - | - | - | - | - | - | - | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % |
| Class R | - | - | - | - | - | - | - | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % |
| Total | 635,115,868.45 | 875,682.65 | - | - | - | 634,240,185.80 | 1,036,664.78 | 0.00 | % | 0.00 | % |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 6 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| RECONCILIATION DETAIL |
| September 12, 2024 |
| SOURCE OF FUNDS | ALLOCATION OF FUNDS | ||||
| Interest Funds Available | Scheduled Fees | ||||
| Scheduled Interest | 1,930,918.82 | Servicing Fee | 6,313.65 | ||
| Prepayment Interest Shortfall | - | Trustee/Certificate Administrator Fee | 1,859.48 | ||
| Interest Adjustments | - | Operating Advisor Fee | 710.98 | ||
| ASER Amount | - | CREFC Intellectual Property Royalty License Fee | 273.45 | ||
| Realized Loss in Excess of Principal Balance | - | ||||
| Total Scheduled Fees | 9,157.56 | ||||
| Total Interest Funds Available | 1,930,918.82 | Additional Fees, Expenses, etc. | |||
| Principal Funds Available | Additional Servicing Fee | - | |||
| Scheduled Principal | 875,682.65 | Special Servicing Fee | 25,027.78 | ||
| Unscheduled Principal Collections | - | Work-out Fee | - | ||
| Repurchased Principal | - | Liquidation Fee | - | ||
| Substitution Principal | - | Trust Fund Expenses | - | ||
| Other Principal | - | Trust Advisor Expenses | - | ||
| Reimbursement of Interest on Advances to the Servicer | - | ||||
| Total Principal Funds Available | 875,682.65 | ||||
| Borrower Reimbursable Trust Fund Expenses | - | ||||
| Other Funds Available | |||||
| Other Expenses | - | ||||
| Yield Maintenance Charges | - | ||||
| Withdrawal of Withheld Amounts from the Interest Reserve | Total Additional Fees, Expenses, etc. | 25,027.78 | |||
| Account | - | ||||
| Distributions | |||||
| Deposit of Withheld Amounts to the Interest Reserve Account | - | ||||
| Interest Distribution | 1,896,733.48 | ||||
| Current Period Adjustment to Loan - Other | - | ||||
| Principal Distribution | 875,682.65 | ||||
| Total Other Funds Available | - | Yield Maintenance Charge Distribution | - | ||
| Total Distributions | 2,772,416.13 | ||||
| Total Funds Available | 2,806,601.47 | Total Funds Allocated | 2,806,601.47 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 7 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| OTHER INFORMATION |
| Interest Reserve Account Information |
| September 12, 2024 |
| Beginning Interest Reserve Account Balance | 0.00 | |
| Deposit of Withheld Amounts to the Interest Reserve Account | 0.00 | |
| Withdrawal of Withheld Amounts from the Interest Reserve Account | 0.00 | |
| Ending Interest Reserve Account Balance | 0.00 | |
| Excess Liquidation Proceeds Reserve Account Information | ||
| Beginning Excess Liquidation Proceeds Reserve Account Balance | 0.00 | |
| Deposit to the Excess Liquidation Proceeds Reserve Account | 0.00 | |
| Withdrawal from the Excess Liquidation Proceeds Reserve Account | 0.00 | |
| Ending Excess Liquidation Proceeds Reserve Account Balance | 0.00 | |
| Collateral Information | ||
| % of Cut-Off Principal Balance Outstanding | 87.684122 | % |
| Controlling Class Information | ||
| Controlling Class is Class F. | ||
| Control Termination Event is in Effect. | ||
| Identification of the current Controlling Class Representative has not been provided. | ||
| There Are No Disclosable Special Servicer Fees. | ||
| Non-Active Exchangeable Certificates | ||
| Class PEZ Beginning Balance | 135,486,000.00 | |
| Class PEZ Ending Balance | 135,486,000.00 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 8 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| STRATIFICATION DETAIL |
| September 12, 2024 |
| Anticipated Remaining Term | ||||||
| Anticipated Remaining | Asset | Ending Scheduled | % of | Wtd Avg | ||
| Term Range | Count | Balance | Agg.Bal. WAC | WAM | DSCR | |
| 60 Months or Less | 46 | 534,240,185.80 | 84.23 | 4.1903 | 8 | 1.837827 |
| 61 to 90 Months | 1 | 100,000,000.00 | 15.77 | 3.2950 | 68 | -2.418000 |
| 91 Months or Greater | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| Total | 47 | 634,240,185.80 | 100.00 | 4.0491 | 17 | 1.166815 |
| Debt Service Coverage Ratio | ||||||
| Debt Service Coverage | Asset | Ending Scheduled | % of | Wtd Avg | ||
| Ratio Range | Count | Balance | Agg.Bal. WAC | WAM | DSCR | |
| 1.250 or Less | 8 | 204,218,183.51 | 32.20 | 3.8044 | 37 | -0.613116 |
| 1.251 to 1.500 | 7 | 111,009,375.00 | 17.50 | 4.2822 | 8 | 1.389634 |
| 1.501 to 1.750 | 5 | 20,344,528.33 | 3.21 | 4.5554 | 8 | 1.613280 |
| 1.751 to 2.000 | 9 | 106,898,399.00 | 16.85 | 4.0782 | 7 | 1.862716 |
| 2.001 to 2.250 | 5 | 92,271,383.75 | 14.55 | 4.1057 | 7 | 2.062934 |
| 2.251 to 2.500 | 5 | 45,140,912.06 | 7.12 | 4.1146 | 8 | 2.376423 |
| 2.501 to 2.750 | 4 | 25,175,466.98 | 3.97 | 4.2188 | 9 | 2.607332 |
| 2.751 to 3.000 | 1 | 10,121,438.65 | 1.60 | 3.9500 | 8 | 2.839800 |
| 3.001 to 3.250 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 3.251 to 3.500 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 3.501 to 3.750 | 2 | 10,060,498.52 | 1.59 | 4.0835 | 5 | 3.549984 |
| 3.751 to 4.000 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 4.001 or Greater | 1 | 9,000,000.00 | 1.42 | 3.9300 | 9 | 5.702600 |
| Total | 47 | 634,240,185.80 | 100.00 | 4.0491 | 17 | 1.166815 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 9 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| STRATIFICATION DETAIL |
| September 12, 2024 |
| Ending Schedule Balance | ||||||
| Ending Schedule Balance | Asset | Ending Scheduled | % of | Wtd Avg | ||
| Range | Count | Balance | Agg.Bal. WAC WAM | DSCR | ||
| 1 to 5,000,000 | 17 | 57,273,176.18 | 9.03 | 4.4574 | 7 | 1.950997 |
| 10,000,001 to 15,000,000 | 4 | 47,476,702.27 | 7.49 | 4.2601 | 8 | 1.527284 |
| 15,000,001 to 20,000,000 | 2 | 36,504,595.87 | 5.76 | 4.2520 | 7 | 1.399268 |
| 20,000,001 to 25,000,000 | 3 | 68,196,508.92 | 10.75 | 4.0300 | 8 | 1.852868 |
| 25,000,001 to 30,000,000 | 2 | 51,714,229.41 | 8.15 | 4.3745 | 9 | 1.429449 |
| 30,000,001 to 35,000,000 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 35,000,001 to 40,000,000 | 1 | 39,626,538.69 | 6.25 | 4.1300 | 9 | 1.202200 |
| 40,000,001 to 45,000,000 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 45,000,001 to 50,000,000 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 5,000,001 to 10,000,000 | 15 | 102,860,263.22 | 16.22 | 4.2745 | 8 | 2.359645 |
| 50,000,001 to 55,000,000 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 55,000,001 to 60,000,000 | 1 | 58,588,171.24 | 9.24 | 4.0975 | 8 | 2.073600 |
| 60,000,001 to 65,000,000 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 65,000,001 to 70,000,000 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 70,000,001 to 75,000,000 | 1 | 72,000,000.00 | 11.35 | 3.9085 | 7 | 1.866500 |
| 75,000,001 to 80,000,000 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 80,000,001 to 85,000,000 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 85,000,000+ | 1 | 100,000,000.00 | 15.77 | 3.2950 | 68 | -2.418000 |
| Total | 47 | 634,240,185.80 | 100.00 | 4.0491 | 17 | 1.166815 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 10 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| STRATIFICATION DETAIL |
| September 12, 2024 |
| Loan Rate | ||||||
| Asset | Ending Scheduled | % of | Wtd Avg | |||
| Loan Rate Range | Count | Balance | Agg.Bal. WAC WAM | DSCR | ||
| 4.00 or Less | 9 | 261,721,230.99 | 41.27 | 3.6842 | 30 | 0.490010 |
| 4.01 to 4.25 | 9 | 154,798,751.90 | 24.41 | 4.1258 | 8 | 1.774328 |
| 4.26 to 4.50 | 20 | 172,948,974.87 | 27.27 | 4.3687 | 8 | 1.516386 |
| 4.51 to 4.75 | 7 | 33,866,773.25 | 5.34 | 4.6341 | 7 | 1.650829 |
| 4.76 to 5.00 | 2 | 10,904,454.79 | 1.72 | 4.8349 | 7 | 1.739252 |
| 5.01 to 5.25 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 5.26 to 5.50 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 5.51 to 5.75 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 5.76 to 6.00 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 6.01 to 6.25 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 6.26 to 6.50 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 6.51 to 6.75 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 6.76 to 7.00 | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 7.01 or Greater | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| Total | 47 | 634,240,185.80 | 100.00 | 4.0491 | 17 | 1.166815 |
| Property Type | ||||||
| Asset | Ending Scheduled | % of | Wtd Avg | |||
| Property Type Range | Count | Balance | Agg.Bal. WAC WAM | DSCR | ||
| Industrial | 1 | 5,193,508.73 | 0.82 | 4.2800 | 9 | 2.594700 |
| Lodging | 2 | 12,045,042.94 | 1.90 | 4.3887 | 9 | 1.191739 |
| Mixed Use | 4 | 102,419,531.57 | 16.15 | 4.1543 | 8 | 1.732350 |
| Multifamily | 10 | 76,324,853.00 | 12.03 | 4.3235 | 7 | 1.861856 |
| Office | 6 | 179,525,073.57 | 28.31 | 3.6500 | 41 | -0.609817 |
| Other | 9 | 155,018,156.20 | 24.44 | 4.1264 | 7 | 1.791952 |
| Retail | 12 | 89,941,632.54 | 14.18 | 4.2838 | 8 | 1.818068 |
| Self Storage | 3 | 13,772,387.25 | 2.17 | 4.1639 | 8 | 4.418316 |
| Total | 47 | 634,240,185.80 | 100.00 | 4.0491 | 17 | 1.166815 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 11 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| STRATIFICATION DETAIL |
| September 12, 2024 |
| Remaining Amortization Term | ||||||
| Remaining Amortization | Asset | Ending Scheduled | % of | Wtd Avg | ||
| Term Range | Count | Balance | Agg.Bal. | WAC | WAM | DSCR |
| 240 Months or Less | 8 | 216,311,456.78 | 34.11 | 3.6514 | 35 | 0.093410 |
| 241 to 270 Months | 39 | 417,928,729.02 | 65.89 | 4.2550 | 8 | 1.722388 |
| 271 to 300 Months | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 301 Months or Greater | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| Total | 47 | 634,240,185.80 | 100.00 | 4.0491 | 17 | 1.166815 |
| Seasoning | ||||||
| Asset | Ending Scheduled | % of | Wtd Avg | |||
| Seasoning Range | Count | Balance | Agg.Bal. | WAC | WAM | DSCR |
| 12 Months or Less | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 13 to 24 Months | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 25 to 36 Months | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 37 to 48 Months | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| 49 Months or Greater | 47 | 634,240,185.80 | 100.00 | 4.0491 | 17 | 1.166815 |
| Total | 47 | 634,240,185.80 | 100.00 | 4.0491 | 17 | 1.166815 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 12 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| STRATIFICATION DETAIL |
| September 12, 2024 |
| State | ||||||
| Asset | Ending Scheduled | % of | Wtd Avg | |||
| State Range | Count | Balance | Agg.Bal. WAC WAM | DSCR | ||
| California | 4 | 91,701,372.47 | 14.46 | 4.1782 | 8 | 1.497762 |
| Colorado | 1 | 2,561,960.51 | 0.40 | 4.3100 | 9 | 1.555000 |
| Florida | 6 | 34,797,177.78 | 5.49 | 4.3807 | 8 | 1.830346 |
| Hawaii | 1 | 9,000,000.00 | 1.42 | 3.9300 | 9 | 5.702600 |
| Illinois | 1 | 100,000,000.00 | 15.77 | 3.2950 | 68 | -2.418000 |
| Iowa | 1 | 3,124,510.12 | 0.49 | 4.3900 | 9 | 1.636700 |
| Kansas | 1 | 5,076,580.75 | 0.80 | 4.4900 | 9 | 2.276100 |
| Louisiana | 1 | 7,551,540.04 | 1.19 | 4.1730 | 8 | 1.282300 |
| Maryland | 1 | 11,516,158.37 | 1.82 | 3.9970 | 8 | 1.250500 |
| Michigan | 3 | 14,623,632.86 | 2.31 | 4.4902 | 7 | 2.173482 |
| Minnesota | 0 | 0.00 | 0.00 | 0.0000 | 0 | 0.000000 |
| Nebraska | 1 | 9,483,082.43 | 1.50 | 4.4100 | 9 | 1.093600 |
| Nevada | 1 | 5,449,783.99 | 0.86 | 4.1905 | 2 | 3.506400 |
| New Jersey | 2 | 27,579,396.63 | 4.35 | 4.4369 | 8 | 1.472788 |
| North Carolina | 1 | 3,722,851.31 | 0.59 | 4.4000 | 8 | 1.390200 |
| Ohio | 1 | 2,057,612.92 | 0.32 | 4.7000 | 8 | 2.146000 |
| Oklahoma | 2 | 30,413,072.59 | 4.80 | 4.0003 | 8 | 1.804959 |
| Oregon | 1 | 9,894,767.66 | 1.56 | 4.1540 | 6 | 2.293500 |
| Pennsylvania | 1 | 5,911,401.84 | 0.93 | 4.3000 | 9 | 2.348200 |
| Rhode Island | 1 | 5,155,000.00 | 0.81 | 4.1400 | 9 | 1.841700 |
| South Carolina | 1 | 2,598,684.40 | 0.41 | 4.7200 | 9 | 2.101300 |
| Texas | 6 | 97,003,442.93 | 15.29 | 4.1482 | 8 | 1.949008 |
| Various | 9 | 155,018,156.20 | 24.44 | 4.1264 | 7 | 1.791952 |
| Total | 47 | 634,240,185.80 | 100.00 | 4.0491 | 17 | 1.166815 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 13 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| MORTGAGE LOAN DETAIL |
| September 12, 2024 |
| Prop | Paid | Beginning | Ending | Payment Workout Mod | ||||||||||||||
| Type | Through | Gross | Interest | Principal | Scheduled | Scheduled | Maturity | Status | Strategy Code | |||||||||
| Loan ID | OMCR | (1) | City | State | Date | Coupon | Payment | Payment | Balance | Balance | Date | (2 | ) | (3 | ) | (4 | ) | |
| 304101385 | 1 | OF | Chicago | IL | 10/06/2021 | 3.29500 | % | - | - | 100,000,000.00 | 100,000,000.00 | 05/06/2030 | 3 | 1 | 0 | |||
| 304140010 | 10 | RT | San Diego | CA | 09/06/2024 | 3.90100 | % | 74,574.12 | - | 22,200,000.00 | 22,200,000.00 | 06/06/2025 | 0 | 0 | 0 | |||
| 300571310 | 11 | N/A | Various | Various | 09/06/2024 | 4.42000 | % | 64,624.73 | 38,775.53 | 16,979,202.48 | 16,940,426.95 | 02/06/2025 | 0 | 0 | 0 | |||
| 304101390 | 12 | N/A | Various | Various | 09/06/2024 | 4.42000 | % | 49,993.80 | 25,766.26 | 13,135,138.16 | 13,109,371.90 | 06/06/2025 | 0 | 0 | 0 | |||
| 300571323 | 13 | RT | Port Charlotte | FL | 09/06/2024 | 4.58000 | % | 50,300.77 | 24,370.90 | 12,754,104.25 | 12,729,733.35 | 06/06/2025 | 0 | 0 | 0 | |||
| 304140014 | 14 | RT | Hagerstown | MD | 09/06/2024 | 3.99700 | % | 39,733.51 | 28,034.90 | 11,544,193.27 | 11,516,158.37 | 05/06/2025 | 0 | 0 | 0 | |||
| 304101380 | 15 | N/A | Various | Various | 09/06/2024 | 3.95000 | % | 34,511.32 | 24,805.83 | 10,146,244.48 | 10,121,438.65 | 05/06/2025 | 0 | 0 | 0 | |||
| 304101397 | 17 | LO | Omaha | NE | 09/06/2024 | 4.41000 | % | 36,088.20 | 20,063.20 | 9,503,145.63 | 9,483,082.43 | 06/06/2025 | 0 | 8 | 8 | |||
| 304140018 | 18 | MF | Tigard | OR | 09/06/2024 | 4.15400 | % | 35,453.46 | 16,584.50 | 9,911,352.16 | 9,894,767.66 | 03/06/2025 | 0 | 0 | 0 | |||
| 301461017 | 19 | RT | Temecula | CA | 09/06/2024 | 4.85000 | % | 37,013.57 | 16,283.30 | 8,862,576.28 | 8,846,292.98 | 05/06/2025 | 0 | 0 | 0 | |||
| 304140002 | 2 | N/A | Various | Various | 09/06/2024 | 3.90850 | % | 242,327.00 | - | 72,000,000.00 | 72,000,000.00 | 04/06/2025 | 0 | 0 | 0 | |||
| 304101399 | 20 | SS | Kaneohe | HI | 09/06/2024 | 3.93000 | % | 30,457.50 | - | 9,000,000.00 | 9,000,000.00 | 06/06/2025 | 0 | 0 | 0 | |||
| 304140021 | 21 | MF | Lafayette | LA | 09/06/2024 | 4.17300 | % | 27,195.75 | 16,674.08 | 7,568,214.12 | 7,551,540.04 | 05/06/2025 | 0 | 0 | 0 | |||
| 304101389 | 22 | OF | Coral Gables | FL | 09/06/2024 | 3.95000 | % | 24,907.53 | 17,800.82 | 7,322,752.14 | 7,304,951.32 | 06/06/2025 | 0 | 0 | 0 | |||
| 304101398 | 23 | MF | DeWitt | MI | 09/06/2024 | 4.38000 | % | 26,442.84 | 12,899.10 | 7,010,916.52 | 6,998,017.42 | 06/06/2025 | 0 | 0 | 0 | |||
| 304140024 | 24 | RT | Shippensburg | PA | 09/01/2024 | 4.30000 | % | 21,939.30 | 13,691.44 | 5,925,093.28 | 5,911,401.84 | 06/01/2025 | 0 | 0 | 0 | |||
| 304101391 | 25 | RT | Houston | TX | 09/06/2024 | 4.25000 | % | 21,527.60 | 11,063.42 | 5,882,305.50 | 5,871,242.08 | 06/06/2025 | 0 | 0 | 0 | |||
| 300571333 | 26 | MF | Deer Park | TX | 09/06/2024 | 4.31000 | % | 21,116.25 | 10,593.11 | 5,689,582.62 | 5,678,989.51 | 06/06/2025 | 0 | 0 | 0 | |||
| 304140027 | 27 | MF | Stillwater | OK | 09/06/2024 | 4.30000 | % | 20,202.65 | 10,974.25 | 5,456,078.72 | 5,445,104.47 | 05/06/2025 | 0 | 0 | 0 | |||
| 304140029 | 29 | IN | Doral | FL | 09/01/2024 | 4.28000 | % | 19,179.45 | 10,442.42 | 5,203,951.15 | 5,193,508.73 | 06/01/2025 | 0 | 0 | 0 | |||
| 304140003 | 3 | MU | Dallas | TX | 09/06/2024 | 4.09750 | % | 207,218.69 | 140,579.73 | 58,728,750.97 | 58,588,171.24 | 05/06/2025 | 0 | 0 | 0 | |||
| 304140030 | 30 | MF | Reno | NV | 09/06/2024 | 4.19050 | % | 19,698.38 | 9,120.93 | 5,458,904.92 | 5,449,783.99 | 11/06/2024 | 0 | 0 | 0 | |||
| 300571332 | 31 | RT | Overland Park | KS | 09/06/2024 | 4.49000 | % | 19,666.17 | 9,864.26 | 5,086,445.01 | 5,076,580.75 | 06/06/2025 | 0 | 0 | 0 | |||
| 300571331 | 32 | N/A | Various | Various | 09/06/2024 | 4.68000 | % | 19,496.19 | 9,092.17 | 4,837,764.41 | 4,828,672.24 | 03/06/2025 | 0 | 0 | 0 | |||
| 304140033 | 33 | OF | Troy | MI | 09/06/2024 | 4.69000 | % | 17,624.68 | 9,572.26 | 4,364,044.92 | 4,354,472.66 | 02/06/2025 | 0 | 0 | 0 | |||
| 304140034 | 34 | RT | North Smithfield | RI | 08/01/2024 | 4.14000 | % | 18,377.58 | - | 5,155,000.00 | 5,155,000.00 | 06/01/2025 | B | 13 | 0 | |||
| 304140035 | 35 | N/A | Various | Various | 09/06/2024 | 3.95700 | % | 15,737.92 | 8,009.06 | 4,618,723.59 | 4,610,714.53 | 06/06/2025 | 0 | 0 | 0 | |||
| 301461015 | 36 | N/A | Various | Various | 09/06/2024 | 4.39000 | % | 15,598.97 | 9,409.55 | 4,126,407.61 | 4,116,998.06 | 06/06/2025 | 0 | 0 | 0 | |||
| 300571328 | 37 | RT | Lakeland | FL | 09/06/2024 | 4.58000 | % | 16,043.60 | 9,017.44 | 4,067,964.51 | 4,058,947.07 | 03/06/2025 | 0 | 0 | 0 | |||
| 304140038 | 38 | MF | Kingsville | TX | 09/06/2024 | 4.30000 | % | 15,071.82 | 8,187.14 | 4,070,407.71 | 4,062,220.57 | 05/06/2025 | 0 | 0 | 0 | |||
| 304140039 | 39 | RT | Winston-Salem | NC | 09/06/2024 | 4.40000 | % | 14,137.85 | 8,546.62 | 3,731,397.93 | 3,722,851.31 | 05/06/2025 | 0 | 0 | 0 | |||
| 304101400 | 4 | OF | Pasadena | CA | 09/06/2024 | 4.13000 | % | 141,149.75 | 62,525.16 | 39,689,063.85 | 39,626,538.69 | 06/06/2025 | 0 | 0 | 0 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 14 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| MORTGAGE LOAN DETAIL |
| September 12, 2024 |
| Prop | Paid | Beginning | Ending | Payment Workout Mod | ||||||||||||||
| Type | Through | Gross | Interest | Principal | Scheduled | Scheduled | Maturity | Status Strategy Code | ||||||||||
| Loan ID | OMCR | (1) | City | State | Date | Coupon | Payment | Payment | Balance | Balance | Date | (2 | ) | (3 | ) | (4 | ) | |
| 304101396 | 40 | RT | Tallahassee | FL | 09/06/2024 | 4.40000 | % | 10,654.85 | 16,317.51 | 2,812,129.38 | 2,795,811.87 | 06/06/2025 | 0 | 0 | 0 | |||
| 304140041 | 41 | MU | Mesquite | TX | 09/01/2024 | 4.66000 | % | 13,024.51 | 7,108.71 | 3,245,759.32 | 3,238,650.61 | 06/01/2025 | 0 | 0 | 0 | |||
| 304101386 | 42 | N/A | Various | Various | 09/06/2024 | 4.15000 | % | 11,095.76 | 7,376.17 | 3,104,915.45 | 3,097,539.28 | 05/06/2025 | 0 | 0 | 0 | |||
| 304101387 | 43 | OF | Ann Arbor | MI | 09/06/2024 | 4.46000 | % | 12,585.85 | 5,947.59 | 3,277,090.37 | 3,271,142.78 | 06/06/2025 | 0 | 0 | 0 | |||
| 304140044 | 44 | MF | Cedar Rapids | IA | 09/06/2024 | 4.39000 | % | 11,834.85 | 6,171.28 | 3,130,681.40 | 3,124,510.12 | 06/06/2025 | 0 | 0 | 0 | |||
| 304140045 | 45 | MF | North Charleston | SC | 09/01/2024 | 4.72000 | % | 10,597.68 | 8,727.69 | 2,607,412.09 | 2,598,684.40 | 06/01/2025 | 0 | 0 | 0 | |||
| 304101407 | 46 | LO | Eagle | CO | 09/06/2024 | 4.31000 | % | 9,541.80 | 8,991.71 | 2,570,952.22 | 2,561,960.51 | 06/06/2025 | 0 | 0 | 0 | |||
| 300571326 | 47 | SS | Eustis | FL | 09/06/2024 | 4.48000 | % | 10,492.80 | 5,683.12 | 2,719,908.56 | 2,714,225.44 | 06/06/2025 | 0 | 0 | 0 | |||
| 304101388 | 49 | RT | Dover | OH | 09/06/2024 | 4.70000 | % | 8,345.90 | 4,516.32 | 2,062,129.24 | 2,057,612.92 | 05/06/2025 | 0 | 8 | 0 | |||
| 304140005 | 5 | OF | Oklahoma City | OK | 09/01/2024 | 3.93500 | % | 84,786.16 | 53,975.57 | 25,021,943.69 | 24,967,968.12 | 05/01/2025 | 0 | 0 | 0 | |||
| 300571324 | 50 | SS | Hammonton | NJ | 09/06/2024 | 4.77000 | % | 8,469.58 | 3,817.48 | 2,061,979.29 | 2,058,161.81 | 03/06/2025 | 0 | 0 | 0 | |||
| 304101392 | 6 | N/A | Various | Various | 09/06/2024 | 4.34000 | % | 98,070.71 | 48,610.08 | 26,241,604.67 | 26,192,994.59 | 06/06/2025 | 0 | 0 | 0 | |||
| 300571327 | 7 | MF | Pine Hill | NJ | 09/06/2024 | 4.41000 | % | 97,071.83 | 40,799.91 | 25,562,034.73 | 25,521,234.82 | 06/06/2025 | 0 | 0 | 0 | |||
| 304140008 | 8 | MU | Orinda | CA | 09/06/2024 | 4.27900 | % | 77,610.67 | 34,445.41 | 21,062,986.21 | 21,028,540.80 | 06/06/2025 | 0 | 0 | 0 | |||
| 304140009 | 9 | MU | Sugar Land | TX | 09/06/2024 | 4.10650 | % | 69,324.92 | 40,446.72 | 19,604,615.64 | 19,564,168.92 | 06/06/2025 | 0 | 0 | 0 | |||
| Total | Count = 47 | 1,930,918.82 | 875,682.65 | 635,115,868.45 | 634,240,185.80 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 15 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| NOI DETAIL |
| September 12, 2024 |
| Property | Ending | Preceding | Most | Most Recent | Most Recent | ||||||
| Type | Scheduled | Fiscal | Recent | Financial As of | Financial Asof | ||||||
| Loan ID | OMCR | (1) | City | State | Balance | Year NOI | NOI | Start Date | End Date | ||
| 304101385 | 1 | OF | Chicago | IL | 100,000,000.00 | (7,059,787.39 | ) | (3,341,055.14 | ) | 01/01/2024 | 06/30/2024 |
| 304140010 | 10 | RT | San Diego | CA | 22,200,000.00 | 2,859,973.00 | 1,143,170.50 | 01/01/2024 | 06/30/2024 | ||
| 300571310 | 11 | N/A | Various | Various | 16,940,426.95 | 1,812,117.00 | 421,531.00 | Not Available | Not Available | ||
| 304101390 | 12 | N/A | Various | Various | 13,109,371.90 | 1,064,987.56 | 798,741.16 | Not Available | Not Available | ||
| 300571323 | 13 | RT | Port Charlotte | FL | 12,729,733.35 | 1,026,395.06 | 878,629.53 | Not Available | Not Available | ||
| 304140014 | 14 | RT | Hagerstown | MD | 11,516,158.37 | 1,241,288.31 | 520,955.39 | 01/01/2024 | 06/30/2024 | ||
| 304101380 | 15 | N/A | Various | Various | 10,121,438.65 | 1,837,735.84 | 1,025,962.01 | Not Available | Not Available | ||
| 304101397 | 17 | LO | Omaha | NE | 9,483,082.43 | 1,075,109.03 | 995,034.20 | 07/01/2023 | 06/30/2024 | ||
| 304140018 | 18 | MF | Tigard | OR | 9,894,767.66 | 1,344,387.57 | 1,099,871.01 | Not Available | Not Available | ||
| 301461017 | 19 | RT | Temecula | CA | 8,846,292.98 | 879,975.60 | 789,540.06 | Not Available | Not Available | ||
| 304140002 | 2 | N/A | Various | Various | 72,000,000.00 | 33,508,489.00 | 14,683,458.00 | 01/01/2024 | 06/30/2024 | ||
| 304101399 | 20 | SS | Kaneohe | HI | 9,000,000.00 | 2,064,092.00 | 1,029,116.00 | 01/01/2024 | 06/30/2024 | ||
| 304140021 | 21 | MF | Lafayette | LA | 7,551,540.04 | 726,717.24 | 346,886.50 | 01/01/2024 | 06/30/2024 | ||
| 304101389 | 22 | OF | Coral Gables | FL | 7,304,951.32 | 956,722.97 | 823,015.32 | 01/01/2024 | 06/30/2024 | ||
| 304101398 | 23 | MF | DeWitt | MI | 6,998,017.42 | 903,337.00 | 692,632.00 | Not Available | Not Available | ||
| 304140024 | 24 | RT | Shippensburg | PA | 5,911,401.84 | 992,856.81 | 272,425.33 | 01/01/2024 | 03/31/2024 | ||
| 304101391 | 25 | RT | Houston | TX | 5,871,242.08 | 799,377.90 | 186,729.55 | 01/01/2024 | 03/31/2024 | ||
| 300571333 | 26 | MF | Deer Park | TX | 5,678,989.51 | 920,794.87 | 516,487.94 | 01/01/2024 | 06/30/2024 | ||
| 304140027 | 27 | MF | Stillwater | OK | 5,445,104.47 | 308,477.00 | 185,554.00 | Not Available | Not Available | ||
| 304140029 | 29 | IN | Doral | FL | 5,193,508.73 | 871,073.78 | 480,808.89 | 01/01/2024 | 06/30/2024 | ||
| 304140003 | 3 | MU | Dallas | TX | 58,588,171.24 | 36,106,650.00 | 33,049,289.00 | 09/01/2023 | 08/31/2024 | ||
| 304140030 | 30 | MF | Reno | NV | 5,449,783.99 | 1,026,033.00 | 232,917.00 | Not Available | Not Available | ||
| 300571332 | 31 | RT | Overland Park | KS | 5,076,580.75 | 817,693.30 | 435,705.61 | 01/01/2024 | 06/30/2024 | ||
| 300571331 | 32 | N/A | Various | Various | 4,828,672.24 | 659,816.22 | 509,213.05 | Not Available | Not Available | ||
| 304140033 | 33 | OF | Troy | MI | 4,354,472.66 | 986,802.00 | 663,457.00 | Not Available | Not Available | ||
| 304140034 | 34 | RT | North Smithfield | RI | 5,155,000.00 | 401,800.00 | 200,900.00 | 01/01/2020 | 06/30/2020 | ||
| 304140035 | 35 | N/A | Various | Various | 4,610,714.53 | 1,153,945.06 | 533,858.82 | 01/01/2024 | 06/30/2024 | ||
| 301461015 | 36 | N/A | Various | Various | 4,116,998.06 | 525,700.09 | 137,835.53 | Not Available | Not Available | ||
| 300571328 | 37 | RT | Lakeland | FL | 4,058,947.07 | 732,756.63 | 517,592.02 | Not Available | Not Available | ||
| 304140038 | 38 | MF | Kingsville | TX | 4,062,220.57 | 542,292.69 | 428,143.00 | Not Available | Not Available | ||
| 304140039 | 39 | RT | Winston-Salem | NC | 3,722,851.31 | 379,800.00 | 284,850.00 | Not Available | Not Available | ||
| 304101400 | 4 | OF | Pasadena | CA | 39,626,538.69 | 3,278,036.56 | 786,011.00 | 01/01/2024 | 03/31/2024 | ||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 16 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| NOI DETAIL |
| September 12, 2024 |
| Property | Ending | Preceding | Most | Most Recent | Most Recent | ||||
| Type | Scheduled | Fiscal | Recent | Financial As of | Financial Asof | ||||
| Loan ID | OMCR | (1) | City | State | Balance | Year NOI | NOI | Start Date | End Date |
| 304101396 | 40 | RT | Tallahassee | FL | 2,795,811.87 | 423,466.98 | 187,757.56 | Not Available | Not Available |
| 304140041 | 41 | MU | Mesquite | TX | 3,238,650.61 | 483,574.65 | 369,104.94 | Not Available | Not Available |
| 304101386 | 42 | N/A | Various | Various | 3,097,539.28 | 411,049.13 | 200,429.55 | 01/01/2024 | 06/30/2024 |
| 304101387 | 43 | OF | Ann Arbor | MI | 3,271,142.78 | 478,709.88 | 224,988.38 | 01/01/2024 | 06/30/2024 |
| 304140044 | 44 | MF | Cedar Rapids | IA | 3,124,510.12 | 368,682.20 | 95,233.22 | Not Available | Not Available |
| 304140045 | 45 | MF | North Charleston | SC | 2,598,684.40 | 482,814.00 | 264,209.00 | Not Available | Not Available |
| 304101407 | 46 | LO | Eagle | CO | 2,561,960.51 | 428,154.00 | 394,103.00 | Not Available | Not Available |
| 300571326 | 47 | SS | Eustis | FL | 2,714,225.44 | 412,024.72 | 166,368.14 | 01/01/2024 | 06/30/2024 |
| 304101388 | 49 | RT | Dover | OH | 2,057,612.92 | 369,632.97 | 180,139.26 | 01/01/2024 | 06/30/2024 |
| 304140005 | 5 | OF | Oklahoma City | OK | 24,967,968.12 | 3,348,531.54 | 1,721,624.92 | 01/01/2024 | 06/30/2024 |
| 300571324 | 50 | SS | Hammonton | NJ | 2,058,161.81 | 308,914.00 | 92,220.09 | Not Available | Not Available |
| 304101392 | 6 | N/A | Various | Various | 26,192,994.59 | 2,888,973.47 | 1,404,227.41 | 01/01/2024 | 06/30/2024 |
| 300571327 | 7 | MF | Pine Hill | NJ | 25,521,234.82 | 1,793,983.00 | 1,858,837.00 | Not Available | Not Available |
| 304140008 | 8 | MU | Orinda | CA | 21,028,540.80 | 2,005,190.52 | 747,214.50 | 01/01/2024 | 06/30/2024 |
| 304140009 | 9 | MU | Sugar Land | TX | 19,564,168.92 | 1,861,464.16 | 511,149.36 | 01/01/2024 | 03/31/2024 |
| Total | Count = 47 | 634,240,185.80 | 110,810,610.92 | 69,746,871.61 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 17 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| DELINQUENCY LOAN DETAIL |
| September 12, 2024 |
| Actual | Paid | Current P&I | Total P&I | Cumulative | Other Expense | Payment Workout | Most Recent | ||||||||
| Principal | Through | Advances | Advances | Accrued Unpaid | Advances | Status | Strategy | Special Serv | Foreclosure | Bankruptcy | REO | ||||
| Loan ID | OMCR | Balance | Date | (Net of ASER) | Outstanding | Interest Advances | Outstanding | (2 | ) | (3 | ) | Transfer Date | Date | Date | Date |
| 304101385 | 1 | 100,000,000.00 | 10/06/2021 | - | 6,958,351.34 | 2,856,643.30 | 626,786.06 | 3 | 1 | 11/17/2021 | |||||
| 304140034 | 34 | 5,155,000.00 | 08/01/2024 | 18,377.58 | 18,355.38 | 259.53 | 1,180.00 | B | 13 | 09/16/2020 | |||||
| Total | Count = 2 | 105,155,000.00 | 18,377.58 | 6,976,706.72 | 2,856,902.83 | 627,966.06 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 18 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| COLLATERAL PERFORMANCE - DELINQUENCY AND LOAN STATUS DETAIL |
| September 12, 2024 |
| Delinquent | |||||||||||||||||||||||||||||
| (Does not include loans in Bankruptcy, Foreclosure, or REO) | |||||||||||||||||||||||||||||
| 30 | Day | 60 | Day | 90 | Day | 120 | + Day | Bankruptcy | Foreclosure | REO | |||||||||||||||||||
| Distribution | |||||||||||||||||||||||||||||
| Date | Count | Balance | Count | Balance | Count | Balance | Count | Balance | Count | Balance | Count | Balance | Count | Balance | |||||||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 1 | 100,000,000 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||||||
| 09/12/2024 | |||||||||||||||||||||||||||||
| 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 2.1 | % | 15.8 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 1 | 100,000,000 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||||||
| 08/12/2024 | |||||||||||||||||||||||||||||
| 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 2.1 | % | 15.7 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 1 | 100,000,000 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||||||
| 07/12/2024 | |||||||||||||||||||||||||||||
| 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 2.1 | % | 15.7 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 1 | 100,000,000 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||||||
| 06/12/2024 | |||||||||||||||||||||||||||||
| 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 2.1 | % | 15.7 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 1 | 100,000,000 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||||||
| 05/10/2024 | |||||||||||||||||||||||||||||
| 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 2.1 | % | 15.7 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 1 | 100,000,000 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||||||
| 04/12/2024 | |||||||||||||||||||||||||||||
| 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 2.1 | % | 15.7 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 1 | 100,000,000 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||||||
| 03/12/2024 | |||||||||||||||||||||||||||||
| 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 2.1 | % | 15.6 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 1 | 100,000,000 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||||||
| 02/12/2024 | |||||||||||||||||||||||||||||
| 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 2.1 | % | 15.6 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 1 | 100,000,000 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||||||
| 01/12/2024 | |||||||||||||||||||||||||||||
| 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 2.1 | % | 15.6 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 1 | 100,000,000 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||||||
| 12/12/2023 | |||||||||||||||||||||||||||||
| 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 2.1 | % | 15.6 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 1 | 100,000,000 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||||||
| 11/10/2023 | |||||||||||||||||||||||||||||
| 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 2.1 | % | 15.5 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | ||
| 0 | 0 | 0 | 0 | 0 | 0 | 1 | 100,000,000 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||||||
| 10/13/2023 | |||||||||||||||||||||||||||||
| 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 2.1 | % | 15.5 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % | 0.0 | % |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 19 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| APPRAISAL REDUCTION DETAIL |
| September 12, 2024 |
| Beginning | Ending | Appraisal | Appraisal | Most Recent | Cumulative | |||
| Loan ID | OMCR | Property Name | Scheduled Balance | Scheduled Balance | Reduction Amount | Reduction Date | ASER Amount | ASER Amount |
| 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 60,012,176.11 | 03/05/2024 | - | 1,102,148.51 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 20 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| HISTORICAL APPRAISAL REDUCTION DETAIL |
| September 12, 2024 |
| Distribution | Beginning | Ending | Appraisal | Appraisal | Most Recent | Cumulative | |||
| Date | Loan ID | OMCR | Property Name | Scheduled Balance Scheduled Balance Reduction Amount Reduction Date | ASER Amount | ASER Amount | |||
| 9/12/2024 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 60,012,176.11 | 03/05/2024 | - | 1,102,148.51 |
| 8/12/2024 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 60,012,176.11 | 03/05/2024 | - | 1,102,148.51 |
| 7/12/2024 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 60,012,176.11 | 03/05/2024 | - | 1,102,148.51 |
| 6/12/2024 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 60,012,176.11 | 03/05/2024 | - | 1,102,148.51 |
| 5/10/2024 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 60,012,176.11 | 03/05/2024 | - | 1,102,148.51 |
| 4/12/2024 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 60,012,176.11 | 03/05/2024 | - | 1,102,148.51 |
| 3/12/2024 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 60,012,176.11 | 03/05/2024 | 159,048.94 | 1,102,148.51 |
| 2/12/2024 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 28,272,960.53 | 03/01/2023 | 80,098.87 | 943,099.57 |
| 1/12/2024 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 28,272,960.53 | 03/01/2023 | 80,098.87 | 863,000.70 |
| 12/12/2023 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 28,272,960.53 | 03/01/2023 | 77,515.03 | 782,901.83 |
| 11/10/2023 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 28,272,960.53 | 03/01/2023 | 80,098.87 | 705,386.80 |
| 10/13/2023 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 28,272,960.53 | 03/01/2023 | 77,515.03 | 625,287.93 |
| 9/12/2023 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 28,272,960.53 | 03/01/2023 | 80,098.87 | 547,772.90 |
| 8/11/2023 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 28,272,960.53 | 03/01/2023 | 80,098.87 | 467,674.03 |
| 7/12/2023 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 28,272,960.53 | 03/01/2023 | 77,515.03 | 387,575.16 |
| 6/12/2023 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 28,272,960.53 | 03/01/2023 | 80,098.87 | 310,060.13 |
| 5/12/2023 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 28,272,960.53 | 03/01/2023 | 77,515.03 | 229,961.26 |
| 4/13/2023 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 28,272,960.53 | 03/01/2023 | 80,098.87 | 152,446.23 |
| 3/10/2023 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | 28,272,960.38 | 03/01/2023 | 72,347.36 | 72,347.36 |
| 2/10/2023 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | - | 02/06/2022 | - | - |
| 1/12/2023 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | - | 02/06/2022 | - | - |
| 12/12/2022 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | - | 02/06/2022 | - | - |
| 11/14/2022 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | - | 02/06/2022 | - | - |
| 10/13/2022 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | - | 02/06/2022 | - | - |
| 9/12/2022 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | - | 02/06/2022 | - | - |
| 8/12/2022 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | - | 02/06/2022 | - | - |
| 7/12/2022 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | - | 02/06/2022 | - | - |
| 6/10/2022 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | - | 02/06/2022 | - | - |
| 5/12/2022 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | - | 02/06/2022 | - | - |
| 4/12/2022 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | - | 02/06/2022 | - | - |
| 3/11/2022 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | - | 02/06/2022 | - | - |
| 2/11/2022 | 304101385 | 1 | 135 South LaSalle | 100,000,000.00 | 100,000,000.00 | - | 02/06/2022 | - | - |
| 9/14/2020 | 304101397 | 17 | Magnolia Hotel Omaha | 10,410,719.56 | 10,445,039.27 | - | 08/06/2020 | - | - |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 21 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| HISTORICAL APPRAISAL REDUCTION DETAIL |
| September 12, 2024 |
| Distribution | Beginning | Ending | Appraisal | Appraisal | Most Recent | Cumulative | |||
| Date | Loan ID | OMCR | Property Name | Scheduled Balance | Scheduled Balance | Reduction Amount | Reduction Date | ASER Amount | ASER Amount |
| 8/12/2020 | 304101397 | 17 | Magnolia Hotel Omaha | 10,427,273.39 | 10,410,719.56 | - | 08/06/2020 | - | - |
| 9/12/2018 | 304140028 | 28 | Infinity Corporate Center | 5,924,901.16 | - | - | - | 41,157.18 | |
| 8/10/2018 | 304140028 | 28 | Infinity Corporate Center | 5,933,247.11 | 5,924,901.16 | 2,799,940.38 | 08/06/2018 | 10,457.97 | 41,157.18 |
| 7/12/2018 | 304140028 | 28 | Infinity Corporate Center | 5,942,281.96 | 5,933,247.11 | 2,799,940.38 | 07/06/2018 | 10,120.62 | 30,699.21 |
| 6/12/2018 | 304140028 | 28 | Infinity Corporate Center | 5,950,562.60 | 5,942,281.96 | 2,799,940.38 | 06/06/2018 | 10,457.97 | 20,578.59 |
| 5/11/2018 | 304140028 | 28 | Infinity Corporate Center | 5,959,534.48 | 5,950,562.60 | 2,799,940.38 | 05/07/2018 | 10,120.62 | 10,120.62 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 22 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| LOAN MODIFICATION DETAIL |
| September 12, 2024 |
| Modification | Modification | |||
| Loan ID | OMCR | Property Name | Date | Code (4) |
| 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 23 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| HISTORICAL LOAN MODIFICATION DETAIL |
| September 12, 2024 |
| Distribution | Modification | Modification | |||
| Date | Loan ID | OMCR | Property Name | Date | Code (4) |
| 09/12/2024 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 08/12/2024 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 07/12/2024 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 06/12/2024 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 05/10/2024 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 04/12/2024 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 03/12/2024 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 02/12/2024 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 01/12/2024 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 12/12/2023 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 11/10/2023 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 10/13/2023 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 09/12/2023 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 08/11/2023 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 07/12/2023 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 06/12/2023 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 05/12/2023 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 04/13/2023 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 03/10/2023 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 02/10/2023 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 01/12/2023 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 12/12/2022 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 11/14/2022 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 10/13/2022 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 09/12/2022 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 08/12/2022 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 07/12/2022 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 06/10/2022 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 05/12/2022 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 04/12/2022 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 03/11/2022 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 02/11/2022 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 01/12/2022 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 24 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| HISTORICAL LOAN MODIFICATION DETAIL |
| September 12, 2024 |
| Distribution | Modification | Modification | |||
| Date | Loan ID | OMCR | Property Name | Date | Code (4) |
| 12/10/2021 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 11/15/2021 | 304140016 | 16 | Crowne Plaza Bloomington | 05/06/2020 | 8 |
| 11/15/2021 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 10/13/2021 | 304140016 | 16 | Crowne Plaza Bloomington | 05/06/2020 | 8 |
| 10/13/2021 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 09/13/2021 | 304140016 | 16 | Crowne Plaza Bloomington | 05/06/2020 | 8 |
| 09/13/2021 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 08/12/2021 | 304140016 | 16 | Crowne Plaza Bloomington | 05/06/2020 | 8 |
| 08/12/2021 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 07/12/2021 | 304140016 | 16 | Crowne Plaza Bloomington | 05/06/2020 | 8 |
| 07/12/2021 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 06/11/2021 | 304140016 | 16 | Crowne Plaza Bloomington | 05/06/2020 | 8 |
| 06/11/2021 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 05/12/2021 | 304140016 | 16 | Crowne Plaza Bloomington | 05/06/2020 | 8 |
| 05/12/2021 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 04/12/2021 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 03/12/2021 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 02/12/2021 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 01/12/2021 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 12/11/2020 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 11/13/2020 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 10/13/2020 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 09/14/2020 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| 08/12/2020 | 304101397 | 17 | Magnolia Hotel Omaha | 07/01/2020 | 8 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 25 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| SPECIALLY SERVICED LOAN DETAIL |
| September 12, 2024 |
| Special Servicing | Ending | Ending | Most | Most Recent | Most Recent | Most Recent | |||
| Workout | Fee Amount | Scheduled | Actual | Recent | Valuation | Special Servicer | Master Servicer | ||
| Loan ID | OMCR | Strategy (3) | Plus Adjustments | Balance | Balance | Value | Date | Transfer Date | Return Date |
| 304101385 | 1 | 1 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 67,700,000.00 | 01/08/2024 | 11/17/2021 | |
| 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| Total | Count = 2 | 25,027.78 | 105,155,000.00 | 105,155,000.00 | 75,600,000.00 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 26 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| HISTORICAL SPECIALLY SERVICED LOANS |
| September 12, 2024 |
| Special Servicing | Ending | Ending | Most | Most Recent | Most Recent | Most Recent | ||||
| Distribution | Workout | Fee Amount | Scheduled | Actual | Recent | Valuation | Special Servicer | Master Servicer | ||
| Date | Loan ID | OMCR | Strategy (3) | Plus Adjustments | Balance | Balance | Value | Date | Transfer Date | Return Date |
| 09/12/2024 | 304101385 | 1 | 1 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 67,700,000.00 | 01/08/2024 | 11/17/2021 | |
| 08/12/2024 | 304101385 | 1 | 1 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 67,700,000.00 | 01/08/2024 | 11/17/2021 | |
| 07/12/2024 | 304101385 | 1 | 1 | 20,833.33 | 100,000,000.00 | 100,000,000.00 | 67,700,000.00 | 01/08/2024 | 11/17/2021 | |
| 06/12/2024 | 304101385 | 1 | 1 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 67,700,000.00 | 01/08/2024 | 11/17/2021 | |
| 05/10/2024 | 304101385 | 1 | 1 | 20,833.33 | 100,000,000.00 | 100,000,000.00 | 67,700,000.00 | 01/08/2024 | 11/17/2021 | |
| 04/12/2024 | 304101385 | 1 | 1 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 67,700,000.00 | 01/08/2024 | 11/17/2021 | |
| 03/12/2024 | 304101385 | 1 | 1 | 20,138.89 | 100,000,000.00 | 100,000,000.00 | 67,700,000.00 | 01/08/2024 | 11/17/2021 | |
| 02/12/2024 | 304101385 | 1 | 1 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 90,000,000.00 | 01/01/2023 | 11/17/2021 | |
| 01/12/2024 | 304101385 | 1 | 1 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 90,000,000.00 | 01/01/2023 | 11/17/2021 | |
| 12/12/2023 | 304101385 | 1 | 1 | 20,833.33 | 100,000,000.00 | 100,000,000.00 | 90,000,000.00 | 01/01/2023 | 11/17/2021 | |
| 11/10/2023 | 304101385 | 1 | 1 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 90,000,000.00 | 01/01/2023 | 11/17/2021 | |
| 10/13/2023 | 304101385 | 1 | 1 | 20,833.33 | 100,000,000.00 | 100,000,000.00 | 90,000,000.00 | 01/01/2023 | 11/17/2021 | |
| 09/12/2023 | 304101385 | 1 | 1 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 90,000,000.00 | 01/01/2023 | 11/17/2021 | |
| 08/11/2023 | 304101385 | 1 | 1 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 90,000,000.00 | 01/01/2023 | 11/17/2021 | |
| 07/12/2023 | 304101385 | 1 | 1 | 20,833.33 | 100,000,000.00 | 100,000,000.00 | 90,000,000.00 | 01/01/2023 | 11/17/2021 | |
| 06/12/2023 | 304101385 | 1 | 1 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 90,000,000.00 | 01/01/2023 | 11/17/2021 | |
| 05/12/2023 | 304101385 | 1 | 1 | 20,833.33 | 100,000,000.00 | 100,000,000.00 | 90,000,000.00 | 01/01/2023 | 11/17/2021 | |
| 04/13/2023 | 304101385 | 1 | 1 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 90,000,000.00 | 01/01/2023 | 11/17/2021 | |
| 03/10/2023 | 304101385 | 1 | 1 | 19,444.44 | 100,000,000.00 | 100,000,000.00 | 90,000,000.00 | 01/01/2023 | 11/17/2021 | |
| 02/10/2023 | 304101385 | 1 | 1 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 130,000,000.00 | 01/01/2022 | 11/17/2021 | |
| 01/12/2023 | 304101385 | 1 | 1 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 130,000,000.00 | 01/01/2022 | 11/17/2021 | |
| 12/12/2022 | 304101385 | 1 | 1 | 20,833.33 | 100,000,000.00 | 100,000,000.00 | 130,000,000.00 | 01/01/2022 | 11/17/2021 | |
| 11/14/2022 | 304101385 | 1 | 1 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 130,000,000.00 | 01/01/2022 | 11/17/2021 | |
| 10/13/2022 | 304101385 | 1 | 10 | 20,833.33 | 100,000,000.00 | 100,000,000.00 | 130,000,000.00 | 01/01/2022 | 11/17/2021 | |
| 09/12/2022 | 304101385 | 1 | 10 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 130,000,000.00 | 01/01/2022 | 11/17/2021 | |
| 08/12/2022 | 304101385 | 1 | 10 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 130,000,000.00 | 01/01/2022 | 11/17/2021 | |
| 07/12/2022 | 304101385 | 1 | 10 | 20,833.33 | 100,000,000.00 | 100,000,000.00 | 130,000,000.00 | 01/01/2022 | 11/17/2021 | |
| 06/10/2022 | 304101385 | 1 | 10 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 130,000,000.00 | 01/01/2022 | 11/17/2021 | |
| 05/12/2022 | 304101385 | 1 | 10 | 20,833.33 | 100,000,000.00 | 100,000,000.00 | 130,000,000.00 | 01/01/2022 | 11/17/2021 | |
| 04/12/2022 | 304101385 | 1 | 10 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 130,000,000.00 | 01/01/2022 | 11/17/2021 | |
| 03/11/2022 | 304101385 | 1 | 10 | 19,444.44 | 100,000,000.00 | 100,000,000.00 | 130,000,000.00 | 01/01/2022 | 11/17/2021 | |
| 02/11/2022 | 304101385 | 1 | 13 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 130,000,000.00 | 01/01/2022 | 11/17/2021 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 27 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| HISTORICAL SPECIALLY SERVICED LOANS |
| September 12, 2024 |
| Special Servicing | Ending | Ending | Most | Most Recent | Most Recent | Most Recent | |||||
| Distribution | Workout | Fee Amount | Scheduled | Actual | Recent | Valuation | Special Servicer | Master Servicer | |||
| Date | Loan ID | OMCR | Strategy (3) | Plus Adjustments | Balance | Balance | Value | Date | Transfer Date | Return Date | |
| 01/12/2022 | 304101385 | 1 | 13 | 21,527.78 | 100,000,000.00 | 100,000,000.00 | 330,000,000.00 | 03/30/2015 | 11/17/2021 | ||
| 12/10/2021 | 304101385 | 1 | 13 | 8,333.33 | 100,000,000.00 | 100,000,000.00 | 330,000,000.00 | 03/30/2015 | 11/17/2021 | ||
| 05/11/2018 | 304101388 | 49 | 8 | (22,983.33 | ) | 2,364,016.73 | 2,364,016.73 | 3,825,000.00 | 04/01/2015 | 04/25/2018 | |
| 04/12/2018 | 304101388 | 49 | 9 | 3,500.00 | 2,367,605.83 | 2,367,605.83 | 3,825,000.00 | 04/01/2015 | 09/19/2017 | ||
| 03/12/2018 | 304101388 | 49 | 13 | 3,500.00 | 2,370,872.60 | 2,378,289.43 | 3,825,000.00 | 04/01/2015 | 09/19/2017 | ||
| 02/12/2018 | 304101388 | 49 | 13 | 3,500.00 | 2,375,052.68 | 2,378,289.43 | 3,825,000.00 | 04/01/2015 | 09/19/2017 | ||
| 01/12/2018 | 304101388 | 49 | 13 | 3,500.00 | 2,378,289.43 | 2,378,289.43 | 3,825,000.00 | 04/01/2015 | 09/19/2017 | ||
| 12/12/2017 | 304101388 | 49 | 13 | 3,500.00 | 2,381,513.14 | 2,385,033.98 | 3,825,000.00 | 04/01/2015 | 09/19/2017 | ||
| 11/10/2017 | 304101388 | 49 | 13 | 3,500.00 | 2,385,033.98 | 2,391,725.13 | 3,825,000.00 | 04/01/2015 | 09/19/2017 | ||
| 10/13/2017 | 304101388 | 49 | 13 | 1,983.33 | 2,388,230.50 | 2,391,725.13 | 3,825,000.00 | 04/01/2015 | 09/19/2017 | ||
| 10/13/2020 | 304101397 | 17 | 8 | - | 10,445,039.27 | 10,445,039.27 | 13,000,000.00 | 04/20/2020 | 04/06/2020 | 09/02/2020 | |
| 09/14/2020 | 304101397 | 17 | 1 | 3,500.00 | 10,445,039.27 | 10,445,039.27 | 13,000,000.00 | 04/20/2020 | 04/06/2020 | ||
| 08/12/2020 | 304101397 | 17 | 1 | 3,500.00 | 10,410,719.56 | 10,445,039.27 | 13,000,000.00 | 04/20/2020 | 04/06/2020 | ||
| 07/10/2020 | 304101397 | 17 | 98 | 3,500.00 | 10,427,273.39 | 10,445,039.27 | 16,600,000.00 | 04/01/2015 | 04/06/2020 | ||
| 06/12/2020 | 304101397 | 17 | 98 | 3,500.00 | 10,445,039.27 | 10,445,039.27 | 16,600,000.00 | 04/01/2015 | 04/06/2020 | ||
| 05/12/2020 | 304101397 | 17 | 13 | 3,500.00 | 10,461,463.26 | 10,461,463.26 | 16,600,000.00 | 04/01/2015 | 04/06/2020 | ||
| 04/10/2020 | 304101397 | 17 | 13 | - | 10,479,103.95 | 10,495,399.07 | 16,600,000.00 | 04/01/2015 | 04/06/2020 | ||
| 11/15/2021 | 304140016 | 16 | 6 | (25,040.30 | ) | - | - | 31,900,000.00 | 12/01/2014 | 02/04/2021 | |
| 10/13/2021 | 304140016 | 16 | 6 | 2,262.80 | 10,840,353.25 | 10,840,353.25 | 31,900,000.00 | 12/01/2014 | 02/04/2021 | ||
| 09/13/2021 | 304140016 | 16 | 6 | 2,342.44 | 10,861,430.72 | 10,881,026.79 | 31,900,000.00 | 12/01/2014 | 02/04/2021 | ||
| 08/12/2021 | 304140016 | 16 | 6 | 2,346.65 | 10,881,026.79 | 10,921,389.82 | 31,900,000.00 | 12/01/2014 | 02/04/2021 | ||
| 07/12/2021 | 304140016 | 16 | 2 | 2,275.29 | 10,900,544.70 | 10,921,389.82 | 31,900,000.00 | 12/01/2014 | 02/04/2021 | ||
| 06/11/2021 | 304140016 | 16 | 2 | 2,355.30 | 10,921,389.82 | 10,940,746.76 | 31,900,000.00 | 12/01/2014 | 02/04/2021 | ||
| 05/12/2021 | 304140016 | 16 | 2 | 2,283.63 | 10,940,746.76 | 11,004,001.62 | 31,900,000.00 | 12/01/2014 | 02/04/2021 | ||
| 04/12/2021 | 304140016 | 16 | 2 | 2,363.89 | 10,961,436.70 | 11,004,001.62 | 31,900,000.00 | 12/01/2014 | 02/04/2021 | ||
| 03/12/2021 | 304140016 | 16 | 6 | 2,139.67 | 10,980,633.92 | 11,004,001.62 | 31,900,000.00 | 12/01/2014 | 02/04/2021 | ||
| 02/12/2021 | 304140016 | 16 | 6 | 2,373.01 | 11,004,001.62 | 11,041,980.66 | 31,900,000.00 | 12/01/2014 | 02/04/2021 | ||
| 01/12/2021 | 304140016 | 16 | 6 | 2,377.09 | 11,023,029.08 | 11,041,980.66 | 31,900,000.00 | 12/01/2014 | 11/06/2020 | ||
| 12/11/2020 | 304140016 | 16 | 98 | 1,920.53 | 11,041,980.66 | 11,062,279.84 | 31,900,000.00 | 12/01/2014 | 11/06/2020 | ||
| 09/12/2018 | 304140028 | 28 | 8 | - | - | - | 3,875,000.00 | 10/12/2017 | 09/19/2017 | ||
| 08/10/2018 | 304140028 | 28 | 2 | 3,500.00 | 5,924,901.16 | 5,986,255.08 | 3,875,000.00 | 10/12/2017 | 09/19/2017 | ||
| 07/12/2018 | 304140028 | 28 | 2 | 3,500.00 | 5,933,247.11 | 5,986,255.08 | 3,875,000.00 | 10/12/2017 | 09/19/2017 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 28 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| HISTORICAL SPECIALLY SERVICED LOANS |
| September 12, 2024 |
| Special Servicing | Ending | Ending | Most | Most Recent | Most Recent | Most Recent | ||||
| Distribution | Workout | Fee Amount | Scheduled | Actual | Recent | Valuation | Special Servicer | Master Servicer | ||
| Date | Loan ID | OMCR | Strategy (3) | Plus Adjustments | Balance | Balance | Value | Date | Transfer Date | Return Date |
| 06/12/2018 | 304140028 | 28 | 2 | 3,500.00 | 5,942,281.96 | 5,986,255.08 | 3,875,000.00 | 10/12/2017 | 09/19/2017 | |
| 05/11/2018 | 304140028 | 28 | 2 | 3,500.00 | 5,950,562.60 | 5,986,255.08 | 8,500,000.00 | 03/12/2015 | 09/19/2017 | |
| 04/12/2018 | 304140028 | 28 | 2 | 3,500.00 | 5,959,534.48 | 5,986,255.08 | 8,500,000.00 | 03/12/2015 | 09/19/2017 | |
| 03/12/2018 | 304140028 | 28 | 2 | 3,500.00 | 5,967,750.30 | 5,986,255.08 | 8,500,000.00 | 03/12/2015 | 09/19/2017 | |
| 02/12/2018 | 304140028 | 28 | 2 | 3,500.00 | 5,978,109.06 | 5,994,370.49 | 8,500,000.00 | 03/12/2015 | 09/19/2017 | |
| 01/12/2018 | 304140028 | 28 | 2 | 3,500.00 | 5,986,255.08 | 5,994,370.49 | 8,500,000.00 | 03/12/2015 | 09/19/2017 | |
| 12/12/2017 | 304140028 | 28 | 2 | 3,500.00 | 5,994,370.49 | 6,003,183.05 | 8,500,000.00 | 03/12/2015 | 09/19/2017 | |
| 11/10/2017 | 304140028 | 28 | 2 | 3,500.00 | 6,003,183.05 | 6,011,234.86 | 8,500,000.00 | 03/12/2015 | 09/19/2017 | |
| 10/13/2017 | 304140028 | 28 | 13 | 1,983.33 | 6,011,234.86 | 6,019,986.09 | 8,500,000.00 | 03/12/2015 | 09/19/2017 | |
| 09/12/2024 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 08/12/2024 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 07/12/2024 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 06/12/2024 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 05/10/2024 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 04/12/2024 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 03/12/2024 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 02/12/2024 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 01/12/2024 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 12/12/2023 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 11/10/2023 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 10/13/2023 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 09/12/2023 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 08/11/2023 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 07/12/2023 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 06/12/2023 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 05/12/2023 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 04/13/2023 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 03/10/2023 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 02/10/2023 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 01/12/2023 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 12/12/2022 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 11/14/2022 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 29 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| HISTORICAL SPECIALLY SERVICED LOANS |
| September 12, 2024 |
| Special Servicing | Ending | Ending | Most | Most Recent | Most Recent | Most Recent | ||||
| Distribution | Workout | Fee Amount | Scheduled | Actual | Recent | Valuation | Special Servicer | Master Servicer | ||
| Date | Loan ID | OMCR | Strategy (3) | Plus Adjustments | Balance | Balance | Value | Date | Transfer Date | Return Date |
| 10/13/2022 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 09/12/2022 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 08/12/2022 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 07/12/2022 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 06/10/2022 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 05/12/2022 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 04/12/2022 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 03/11/2022 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 02/11/2022 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 01/12/2022 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 12/10/2021 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 11/15/2021 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 10/13/2021 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 09/13/2021 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 08/12/2021 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 07/12/2021 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 06/11/2021 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 05/12/2021 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 04/12/2021 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 03/12/2021 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 02/12/2021 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 01/12/2021 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 12/11/2020 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 11/13/2020 | 304140034 | 34 | 13 | 3,500.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 | |
| 10/13/2020 | 304140034 | 34 | 13 | 1,750.00 | 5,155,000.00 | 5,155,000.00 | 7,900,000.00 | 03/08/2015 | 09/16/2020 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 30 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| UNSCHEDULED PRINCIPAL DETAIL |
| September 12, 2024 |
| Liquidation / | Liquid / Prepay | Principal | Principal | Prepayment Interest | Prepayment | Yield Maintenance | ||
| Loan ID | OMCR | Prepayment Date | Code (5) | Collections | Adjustments | Excess / (Shortfall) | Penalties (PPP) | Penalties (YM) |
| No Loans with Unscheduled Principal Activity to Report. |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 31 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 |
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 |
| HISTORICAL UNSCHEDULED PRINCIPAL DETAIL |
| September 12, 2024 | |
| Prepayment | Yield Maintenance |
| (PPP) | Penalties (YM) |
| Distribution | Liquidation / | Liquid / Prepay | Principal | Principal | Prepayment Interest | |||||
| Date | Loan ID | OMCR | Prepayment Date | Code (5) | Collections | Adjustments | Excess / (Shortfall) | Penalties | ||
| 5/12/2022 | 304101397 | 17 | 08/06/2021 | 1 | 218,224.17 | - | - | - | - | |
| 11/15/2021 | 304140016 | 16 | 10/15/2021 | 9 | 10,820,594.32 | - | - | - | 1,973,242.03 | |
| 9/13/2021 | 304101372 | 48 | 08/27/2021 | 9 | 2,333,597.23 | - | - | - | 72,353.89 | |
| 9/14/2020 | 304101397 | 17 | 0 | (34,319.71 | ) | - | - | - | - | |
| 9/12/2018 | 304140028 | 28 | 08/28/2018 | 3 | 4,822,832.84 | 1,093,690.89 | - | - | - |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 32 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 | |||||||||||
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 | September 12, 2024 | ||||||||||
| LIQUIDATED LOAN DETAIL | |||||||||||
| Beginning | Most | Liquidation | Net | Net | Realized | Date of | Loss with | ||||
| Scheduled | Recent | Sales | Proceeds | Liquidation | Proceeds | Loss to | Current | Current Cumulative | Cumulative | ||
| Loan ID | OMCR | Balance | Value | Price | Received | Expense | Available | Trust | Adj. to Loan | Adj. to Loan Adj. to Loan | Adj. to Trust |
| No Loans liquidated to Report. | |||||||||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 33 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 | |||||||||||||||
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 | September 12, 2024 | ||||||||||||||
| HISTORICAL LIQUIDATED LOAN | |||||||||||||||
| Beginning | Most | Liquidation | Net | Net | Realized | Date of | Loss with | ||||||||
| Distribution | Scheduled | Recent | Sales | Proceeds | Liquidation | Proceeds | Loss to | Current | Current | Cumulative | Cumulative | ||||
| Date | Loan ID | OMCR | Balance | Value | Price | Received | Expense | Available | Trust | Adj. to Loan | Adj. to Loan Adj. to Loan Adj. to Trust | ||||
| 04/13/2023 | 304140016 | 16 | - | - | - | - | - | - | - | 600.00 | - | - | |||
| 08/12/2022 | 304140028 | 28 | - | - | - | - | - | - | (57,026.11 | ) | - | - | (57,026.11 | ) | |
| 11/15/2021 | 304140016 | 16 | 10,840,353.25 | 31,900,000.00 | - | 13,078,247.35 | 2,237,894.10 | 10,840,353.25 | - | - | - | - | |||
| 09/12/2018 | 304140028 | 28 | 5,924,901.16 | 3,875,000.00 | - | 5,400,800.31 | 569,590.04 | 4,831,210.27 | 1,093,690.89 | - | - | 1,093,690.89 | |||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 34 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 | |||||
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 | September 12, 2024 | ||||
| CREFC® INVESTOR REPORTING PACKAGE LEGENDS | |||||
| 1|CREFC Investor Reporting Package Legends | |||||
| Property Type (1) | Workout Strategy (3) | Liquidation/Prepayment Code (5) | |||
| MF | Multifamily | 1 | Modification | 1 | Partial Liquidation (Curtailment) |
| RT | Retail | 2 | Foreclosure | 2 | Payoff Prior To Maturity |
| HC | HealthCare | 3 | Bankruptcy | 3 | Disposition / Liquidation |
| IN | Industrial | 4 | Extension | 4 | Repurchase / Substitution |
| MH | Mobile Home Park | 5 | Note Sale | 5 | Full Payoff At Maturity |
| OF | Office | 6 | DPO | 6 | DPO |
| MU | Mixed Use | 7 | REO | 7 | Liquidation prior to 7/1/2006 |
| LO | Lodging | 8 | Resolved | 8 | Payoff With Penalty |
| SS | Self Storage | 9 | Pending Return to Master Servicer | 9 | Payoff With Yield Maintenance |
| SE | Securities | 10 | Deed In Lieu of Foreclosure | 10 | Curtailment With Penalty |
| CH | Cooperative Housing | 11 | Full Payoff | 11 | Curtailment With Yield Maintenance |
| ZZ | Missing Information | 12 | Reps and Warranties | ||
| SF | SF | 13 | TBD | ||
| WH | Warehouse | 98 | Other | ||
| OT | Other | ||||
| Modification Code (4) | |||||
| Payment Status of Loan (2) | |||||
| 1 | Maturity Date Extension | ||||
| A | In Grace Period | 2 | Amortization Change | ||
| B | Late, but less than 30 Days | 3 | Principal Write-Off | ||
| 0 | Current | 4 | Blank (formerly Combination) | ||
| 1 | 30-59 Days Delinquent | 5 | Temporary Rate Reduction | ||
| 2 | 60-89 Days Delinquent | 6 | Capitalization of Interest | ||
| 3 | 90-120 Days Delinquent | 7 | Capitalization of Taxes | ||
| 4 | Performing Matured Balloon | 8 | Other | ||
| 5 | Non Performing Matured Balloon | 9 | Combination | ||
| 6 | 121+ Days Delinquent | 10 | Forbearance | ||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 35 of 36 | © Copyright 2024 Citigroup |
| Citigroup Commercial Mortgage Trust 2015-GC31 | |||
| Commercial Mortgage Pass-Through Certificates, Series 2015-GC31 | September 12, 2024 | ||
| NOTES | |||
| No Notes available for this deal at this time. | |||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 36 of 36 | © Copyright 2024 Citigroup |