Benchmark 2021-B23 Mortgage Trust

12/02/2024 | Press release | Distributed by Public on 12/02/2024 12:52

Asset Backed Issuer Distribution Report Form 10 D


Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
STATEMENT TO NOTEHOLDERS
November 18, 2024
TRANSACTION PARTIES
Depositor: Citigroup Commercial Mortgage Securities Inc.
Master Servicer / Special Servicer: CWCapital Asset Management LLC
Asset Representations Reviewer /
Park Bridge Lender Services LLC
Operating Advisor:
Trustee: Wilmington Trust, National Association
Certificate Administrator: Citibank, N.A.
Dragana Boskovic Citibank, Agency and Trust
(212) 816-0735 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 4
1.3 . Interest Detail 5
1.4 . Interest Shortfall Detail 7
1.5 . Principal Detail 9
2 . Reconciliation Detail 10
3 . Other Information 11
4 . Stratification Detail 12
5 . Mortgage Loan Detail 17
6 . NOI Detail 20
7 . Delinquency Loan Detail 22
8 . Collateral Performance Delinquency and Loan Status Detail 23
9 . Appraisal Reduction Detail 24
10 . Historical Appraisal Reduction Detail 25
11 . Loan Modification Detail 26
12 . Historical Loan Modification Detail 27
13 . Specially Serviced Loan Detail 28
14 . Historical Specially Serviced Loan Detail 29
15 . Unscheduled Principal Detail 30
16 . Historical Unscheduled Principal Detail 31
17 . Liquidated Loan Detail 32
18 . Historical Liquidated Loan Detail 33
19 . CREFC Investor Reporting Package Legends 34
20 . Notes 35
Reports Available at sf.citidirect.com v. 21.09.28 Page 1 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
DISTRIBUTION SUMMARY
November 18, 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
A-1 21,244,000.00 3,475,857.20 0.418000 % 30/360 1,210.76 - 541,908.97 543,119.73 - - 2,933,948.23
A-2 155,183,000.00 155,183,000.00 1.620000 % 30/360 209,497.05 - - 209,497.05 - - 155,183,000.00
A-4 A1 200,000,000.00 200,000,000.00 1.823000 % 30/360 303,833.33 - - 303,833.33 - - 200,000,000.00
A-4 A2 200,000,000.00 200,000,000.00 1.823000 % 30/360 303,833.33 - - 303,833.33 - - 200,000,000.00
A-5 421,699,000.00 421,699,000.00 2.070000 % 30/360 727,430.77 - - 727,430.77 - - 421,699,000.00
A-AB 19,922,000.00 19,922,000.00 1.766000 % 30/360 29,318.54 - - 29,318.54 - - 19,922,000.00
A-S 163,615,000.00 163,615,000.00 2.274000 % 30/360 310,050.42 - - 310,050.42 - - 163,615,000.00
B 59,992,000.00 59,992,000.00 2.095000 % 30/360 104,736.03 - - 104,736.03 - - 59,992,000.00
C 45,449,000.00 45,449,000.00 2.563000 % 30/360 97,071.49 - - 97,071.49 - - 45,449,000.00
COMB_VRR 76,545,008.00 75,609,842.56 0.000000 % 30/360 208,576.45 - 28,521.52 237,097.97 - - 75,581,321.04
D 50,902,000.00 50,902,000.00 2.000000 % 30/360 84,836.67 - - 84,836.67 - - 50,902,000.00
E 21,816,000.00 21,816,000.00 2.000000 % 30/360 36,360.00 - - 36,360.00 - - 21,816,000.00
F 32,723,000.00 32,723,000.00 2.310492 % 30/360 63,005.19 - - 63,005.19 - - 32,723,000.00
G 14,543,000.00 14,543,000.00 2.310492 % 30/360 28,001.24 - - 28,001.24 - - 14,543,000.00
H 47,267,145.00 47,267,145.00 2.310492 % 30/360 90,786.36 - - 90,786.36 - - 47,267,145.00
R - - 0.000000 % 30/360 - - - - - - -
S - - 0.000000 % 30/360 - - - - - - -
Spear 360-A 12,350,000.00 12,350,000.00 2.851548 % 30/360 29,347.18 - - 29,347.18 - - 12,350,000.00
Spear 360-B 16,387,000.00 16,387,000.00 2.851548 % 30/360 38,940.26 - - 38,940.26 - - 16,387,000.00
Spear 360-C 16,388,000.00 16,388,000.00 2.851548 % 30/360 38,942.64 - - 38,942.64 - - 16,388,000.00
Spear 360-D 7,125,000.00 7,125,000.00 2.851548 % 30/360 16,931.07 - - 16,931.07 - - 7,125,000.00
Spear 360-V 2,750,000.00 2,750,000.00 2.851548 % 30/360 6,534.80 - - 6,534.80 - - 2,750,000.00
Total 1,585,900,153.00 1,567,196,844.76 2,729,243.58 - 570,430.49 3,299,674.07 - - 1,566,626,414.27
Notional
X-A 1,181,663,000.00 1,163,894,856.99 1.366838 % 30/360 1,325,712.99 - - 1,325,712.99 - (541,908.97 ) 1,163,352,948.02
X-B 105,441,000.00 105,441,000.00 1.013767 % 30/360 89,077.14 - - 89,077.14 - - 105,441,000.00
X-D 72,718,000.00 72,718,000.00 1.310492 % 30/360 79,413.64 - - 79,413.64 - - 72,718,000.00
X-F 32,723,000.00 32,723,000.00 1.000000 % 30/360 27,269.17 - - 27,269.17 - - 32,723,000.00
X-G 14,543,000.00 14,543,000.00 1.000000 % 30/360 12,119.17 - - 12,119.17 - - 14,543,000.00
X-H 47,267,145.00 47,267,145.00 1.000000 % 30/360 39,389.29 - - 39,389.29 - - 47,267,145.00
Reports Available at sf.citidirect.com v. 21.09.28 Page 2 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
DISTRIBUTION SUMMARY
November 18, 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
Total 1,454,355,145.00 1,436,587,001.99 1,572,981.40 - - 1,572,981.40 - (541,908.97 ) 1,436,045,093.02
Grand Total 3,040,255,298.00 3,003,783,846.75 4,302,224.98 - 570,430.49 4,872,655.47 - (541,908.97 ) 3,002,671,507.29
Reports Available at sf.citidirect.com v. 21.09.28 Page 3 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
DISTRIBUTION SUMMARY - FACTORS
November 18, 2024
Other Non-Cash
Record Interest (As Interest) Principal Total Realized Loss Balance Current
Class CUSIP Date Distributed Distributed Distributed Distributed /(Recovery) Change Balance
A-1 08162 RAA5 10/31/2024 0.05699303 - 25.50880107 25.56579411 - - 138.10714696
A-2 08162 RAB3 10/31/2024 1.35000000 - - 1.35000000 - - 1,000.00000000
A-4 A1 08162 RAC1 10/31/2024 1.51916665 - - 1.51916665 - - 1,000.00000000
A-4 A2 08162RBX4 U0810TAU7 08162RBY2 10/31/2024 1.51916665 - - 1.51916665 - - 1,000.00000000
A-5 08162 RAD9 10/31/2024 1.72499999 - - 1.72499999 - - 1,000.00000000
A-AB 08162 RAE7 10/31/2024 1.47166650 - - 1.47166650 - - 1,000.00000000
A-S 08162 RAG2 10/31/2024 1.89499997 - - 1.89499997 - - 1,000.00000000
B 08162 RAH0 10/31/2024 1.74583328 - - 1.74583328 - - 1,000.00000000
C 08162 RAJ6 10/31/2024 2.13583335 - - 2.13583335 - - 1,000.00000000
COMB_VRR 08162 RBG1 10/31/2024 2.72488638 - 0.37261110 3.09749749 - - 987.41019192
D 08162RAK3 U0810TAA1 08162RAL1 10/31/2024 1.66666673 - - 1.66666673 - - 1,000.00000000
E 08162RAM9 U0810TAB9 08162RAN7 10/31/2024 1.66666667 - - 1.66666667 - - 1,000.00000000
F 08162RAP2 U0810TAC7 08162RAQ0 10/31/2024 1.92540996 - - 1.92540996 - - 1,000.00000000
G 08162RAR8 U0810TAD5 08162RAS6 10/31/2024 1.92541016 - - 1.92541016 - - 1,000.00000000
H 08162RAT4 U0810TAE3 08162RAU1 10/31/2024 1.92070750 - - 1.92070750 - - 1,000.00000000
R 08162 RBH9 10/31/2024 - - - - - - -
S 08162 RBV8 10/31/2024 - - - - - - -
Spear 360-A 08162RBK2 U0810TAN3 08162RBL0 10/31/2024 2.37628988 - - 2.37628988 - - 1,000.00000000
Spear 360-B 08162RBM8 U0810TAP8 08162RBN6 10/31/2024 2.37628974 - - 2.37628974 - - 1,000.00000000
Spear 360-C 08162RBP1 U0810TAQ6 08162RBQ9 10/31/2024 2.37628997 - - 2.37628997 - - 1,000.00000000
Spear 360-D 08162RBR7 U0810TAR4 08162RBS5 10/31/2024 2.37629053 - - 2.37629053 - - 1,000.00000000
Spear 360-V 08162 RBU0 10/31/2024 2.37629091 - - 2.37629091 - - 1,000.00000000
X-A 08162 RAF4 10/31/2024 1.12190446 - - 1.12190446 - - 984.50484446
X-B 08162RAV9 U0810TAF0 08162RAW7 10/31/2024 0.84480553 - - 0.84480553 - - 1,000.00000000
X-D 08162RAX5 U0810TAG8 08162RAY3 10/31/2024 1.09207679 - - 1.09207679 - - 1,000.00000000
X-F 08162RAZ0 U0810TAH6 08162RBA4 10/31/2024 0.83333344 - - 0.83333344 - - 1,000.00000000
X-G 08162RBB2 U0810TAJ2 08162RBC0 10/31/2024 0.83333356 - - 0.83333356 - - 1,000.00000000
X-H 08162RBD8 U0810TAK9 08162RBE6 10/31/2024 0.83333339 - - 0.83333339 - - 1,000.00000000
Reports Available at sf.citidirect.com v. 21.09.28 Page 4 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
DISTRIBUTION INFORMATION - INTEREST DETAIL
November 18, 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
A-1 0.41800 % 0.41800 % 0.41800 % 10/01-10/31 1,210.76 - - - - 1,210.76 - - 1,210.76
A-2 1.62000 % 1.62000 % 1.62000 % 10/01-10/31 209,497.05 - - - - 209,497.05 - - 209,497.05
A-4 A1 1.82300 % 1.82300 % 1.82300 % 10/01-10/31 303,833.33 - - - - 303,833.33 - - 303,833.33
A-4 A2 1.82300 % 1.82300 % 1.82300 % 10/01-10/31 303,833.33 - - - - 303,833.33 - - 303,833.33
A-5 2.07000 % 2.07000 % 2.07000 % 10/01-10/31 727,430.77 - - - - 727,430.77 - - 727,430.77
A-AB 1.76600 % 1.76600 % 1.76600 % 10/01-10/31 29,318.54 - - - - 29,318.54 - - 29,318.54
A-S 2.27400 % 2.27400 % 2.27400 % 10/01-10/31 310,050.42 - - - - 310,050.42 - - 310,050.42
B 2.09500 % 2.09500 % 2.09500 % 10/01-10/31 104,736.03 - - - - 104,736.03 - - 104,736.03
C 2.56300 % 2.56300 % 2.56300 % 10/01-10/31 97,071.49 - - - - 97,071.49 - - 97,071.49
COMB_VRR 0.00000 % 0.00000 % 0.00000 % 10/01-10/31 208,576.45 - - - - 208,576.45 - - 208,576.45
D 2.00000 % 2.00000 % 2.00000 % 10/01-10/31 84,836.67 - - - - 84,836.67 - - 84,836.67
E 2.00000 % 2.00000 % 2.00000 % 10/01-10/31 36,360.00 - - - - 36,360.00 - - 36,360.00
F 2.20099 % 2.31049 % 2.31049 % 10/01-10/31 63,005.19 - - - - 63,005.19 - - 63,005.19
G 2.20099 % 2.31049 % 2.31049 % 10/01-10/31 28,001.24 - - - - 28,001.24 - - 28,001.24
H 2.20099 % 2.31049 % 2.31049 % 10/01-10/31 91,008.63 - - 239.91 - 90,786.36 - - 90,786.36
R 0.00000 % 0.00000 % 0.00000 % 10/01-10/31 - - - - - - - - -
S 0.00000 % 0.00000 % 0.00000 % 10/01-10/31 - - - - - - - - -
Spear 360-A 2.75956 % 2.85155 % 2.85155 % 10/01-10/31 29,347.18 - - - - 29,347.18 - - 29,347.18
Spear 360-B 2.75956 % 2.85155 % 2.85155 % 10/01-10/31 38,940.26 - - - - 38,940.26 - - 38,940.26
Spear 360-C 2.75956 % 2.85155 % 2.85155 % 10/01-10/31 38,942.64 - - - - 38,942.64 - - 38,942.64
Spear 360-D 2.75956 % 2.85155 % 2.85155 % 10/01-10/31 16,931.07 - - - - 16,931.07 - - 16,931.07
Spear 360-V 2.75956 % 2.85155 % 2.85155 % 10/01-10/31 6,534.80 - - - - 6,534.80 - - 6,534.80
Total 2,729,465.85 - - 239.91 - 2,729,243.58 - - 2,729,243.58
Notional
X-A 1.28027 % 1.36684 % 1.36684 % 10/01-10/31 1,325,712.99 - - - - 1,325,712.99 - - 1,325,712.99
X-B 0.90426 % 1.01377 % 1.01377 % 10/01-10/31 89,077.14 - - - - 89,077.14 - - 89,077.14
X-D 1.20099 % 1.31049 % 1.31049 % 10/01-10/31 79,413.64 - - - - 79,413.64 - - 79,413.64
X-F 1.00000 % 1.00000 % 1.00000 % 10/01-10/31 27,269.17 - - - - 27,269.17 - - 27,269.17
X-G 1.00000 % 1.00000 % 1.00000 % 10/01-10/31 12,119.17 - - - - 12,119.17 - - 12,119.17
Reports Available at sf.citidirect.com v. 21.09.28 Page 5 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
DISTRIBUTION INFORMATION - INTEREST DETAIL
November 18, 2024
Paid
Rate Interest Shortfall
Accrual Net Non Carry Basis
Class Uncapped Capped Next Dates Accrued Deferred Recovered Forward Risk Accrued Carry Forward Basis Risk Total
X-H 1.00000 % 1.00000 % 1.00000 % 10/01-10/31 39,389.29 - - - - 39,389.29 - - 39,389.29
Total 1,572,981.40 - - - - 1,572,981.40 - - 1,572,981.40
Grand Total 4,302,447.25 - - 239.91 - 4,302,224.98 - - 4,302,224.98
Reports Available at sf.citidirect.com v. 21.09.28 Page 6 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
DISTRIBUTION INFORMATION - INTEREST SHORTFALL
November 18, 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
A-1 - - - - - - - - - - - - -
A-2 - - - - - - - - - - - - -
A-4 A1 - - - - - - - - - - - - -
A-4 A2 - - - - - - - - - - - - -
A-5 - - - - - - - - - - - - -
A-AB - - - - - - - - - - - - -
A-S - - - - - - - - - - - - -
B - - - - - - - - - - - - -
C - - - - - - - - - - - - -
COMB_VRR - - - - - - - - - - - - -
D - - - - - - - - - - - - -
E - - - - - - - - - - - - -
F - - - - - - - - - - - - -
G - - - - - - - - - - - - -
H - - - 9,163.59 17.64 222.27 - 9,403.51 - - - - -
R - - - - - - - - - - - - -
S - - - - - - - - - - - - -
Spear 360-A - - - - - - - - - - - - -
Spear 360-B - - - - - - - - - - - - -
Spear 360-C - - - - - - - - - - - - -
Spear 360-D - - - 0.35 - - - 0.35 - - - - -
Spear 360-V - - - - - - - - - - - - -
Total - - - 9,163.94 17.64 222.27 - 9,403.86 - - - - -
Notional
X-A - - - - - - - - - - - - -
X-B - - - - - - - - - - - - -
X-D - - - - - - - - - - - - -
X-F - - - - - - - - - - - - -
X-G - - - - - - - - - - - - -
Reports Available at sf.citidirect.com v. 21.09.28 Page 7 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
DISTRIBUTION INFORMATION - INTEREST SHORTFALL DETAIL
November 18, 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
X-H - - - - - - - - - - - - -
Total - - - - - - - - - - - - -
Grand Total - - - 9,163.94 17.64 222.27 - 9,403.86 - - - - -
Reports Available at sf.citidirect.com v. 21.09.28 Page 8 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
DISTRIBUTION INFORMATION - PRINCIPAL DETAIL
November 18, 2024
Sub % Sub %
Non-Cash Cumulative
Prior Principal Accreted Realized Loss Balance Current Realized Class % Class %
Class Balance Distributed Principal /(Recovery) Change Balance Loss Original Current Original Current
A-1 3,475,857.20 541,908.97 - - - 2,933,948.23 - 1.34 % 0.19 % 30.00 % 30.38 %
A-2 155,183,000.00 - - - - 155,183,000.00 - 9.79 % 9.91 % 30.00 % 30.38 %
A-4 A1 200,000,000.00 - - - - 200,000,000.00 - 12.61 % 12.77 % 30.00 % 30.38 %
A-4 A2 200,000,000.00 - - - - 200,000,000.00 - 12.61 % 12.77 % 30.00 % 30.38 %
A-5 421,699,000.00 - - - - 421,699,000.00 - 26.59 % 26.92 % 30.00 % 30.38 %
A-AB 19,922,000.00 - - - - 19,922,000.00 - 1.26 % 1.27 % 30.00 % 30.38 %
A-S 163,615,000.00 - - - - 163,615,000.00 - 10.32 % 10.44 % 18.75 % 18.99 %
B 59,992,000.00 - - - - 59,992,000.00 - 3.78 % 3.83 % 14.63 % 14.81 %
C 45,449,000.00 - - - - 45,449,000.00 - 2.87 % 2.90 % 11.50 % 11.65 %
COMB_VRR 75,609,842.56 28,521.52 - - - 75,581,321.04 - 4.83 % 4.82 % 0.00 % 0.00 %
D 50,902,000.00 - - - - 50,902,000.00 - 3.21 % 3.25 % 8.00 % 8.10 %
E 21,816,000.00 - - - - 21,816,000.00 - 1.38 % 1.39 % 6.50 % 6.58 %
F 32,723,000.00 - - - - 32,723,000.00 - 2.06 % 2.09 % 4.25 % 4.30 %
G 14,543,000.00 - - - - 14,543,000.00 - 0.92 % 0.93 % 3.25 % 3.29 %
H 47,267,145.00 - - - - 47,267,145.00 - 2.98 % 3.02 % 0.00 % 0.00 %
R - - - - - - - 0.00 % 0.00 % 0.00 % 0.00 %
S - - - - - - - 0.00 % 0.00 % 0.00 % 0.00 %
Spear 360-A 12,350,000.00 - - - - 12,350,000.00 - 0.78 % 0.79 % 77.55 % 77.55 %
Spear 360-B 16,387,000.00 - - - - 16,387,000.00 - 1.03 % 1.05 % 47.75 % 47.75 %
Spear 360-C 16,388,000.00 - - - - 16,388,000.00 - 1.03 % 1.05 % 17.95 % 17.95 %
Spear 360-D 7,125,000.00 - - - - 7,125,000.00 - 0.45 % 0.45 % 5.00 % 5.00 %
Spear 360-V 2,750,000.00 - - - - 2,750,000.00 - 0.17 % 0.18 % 0.00 % 0.00 %
Total 1,567,196,844.76 570,430.49 - - - 1,566,626,414.27 - 100.01 % 100.00 %
Reports Available at sf.citidirect.com v. 21.09.28 Page 9 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
RECONCILIATION DETAIL
November 18, 2024
SOURCE OF FUNDS ALLOCATION OF FUNDS
Interest Funds Available Scheduled Fees
Scheduled Interest 4,318,825.68 Servicing Fee 6,785.05
Prepayment Interest Excess - Trustee/Certificate Administrator Fee 7,422.41
Prepayment Interest Shortfall - Operating Advisor Fee 1,276.18
Interest Adjustments - Asset Representations Reviewer Ongoing Fee 208.33
ASER Amount - CREFC Intellectual Property Royalty License Fee 674.76
Realized Loss in Excess of Principal Balance -
Total Scheduled Fees 16,366.73
Total Interest Funds Available 4,318,825.68 Additional Fees, Expenses, etc.
Principal Funds Available Additional Servicing Fee -
Scheduled Principal 570,430.49 Special Servicing Fee -
Unscheduled Principal Collections - Work-out Fee -
Net Liquidation Proceeds - Liquidation Fee -
Repurchased Principal - Trust Fund Expenses -
Substitution Principal - Trust Advisor Expenses -
Other Principal - Reimbursement of Interest on Advances to the Servicer 233.97
Borrower Reimbursable Trust Fund Expenses -
Total Principal Funds Available 570,430.49
Other Expenses -
Other Funds Available
Yield Maintenance Charges - Total Additional Fees, Expenses, etc. 233.97
Withdrawal of Withheld Amounts from the Interest Reserve Distributions
Account -
Interest Distribution 4,302,224.98
Deposit of Withheld Amounts to the Interest Reserve Account -
Principal Distribution 570,430.49
Total Other Funds Available - Yield Maintenance Charge Distribution -
Total Distributions 4,872,655.47
Total Funds Available 4,889,256.17 Total Funds Allocated 4,889,256.17
Reports Available at sf.citidirect.com v. 21.09.28 Page 10 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
OTHER INFORMATION
November 18, 2024
Other Information
Monthly Debt Service Payment Advance 0.00
Has a Consultation Period Commenced? N
Has a CCR Consultation Period Commenced? N
Has a Control Period Terminated? N
Has a Consultation Period Terminated? N
Collateral Information
% of Cut-Off Principal Balance Outstanding 98.784681 %
Controlling Class Information
The Controlling Class Representative is LD II Holdco XV, LLC
There Are No Disclosable Special Servicer Fees.
Reports Available at sf.citidirect.com v. 21.09.28 Page 11 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
STRATIFICATION DETAIL
November 18, 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 3 157,400,000.00 10.05 3.1276 12 2.731372
61 to 90 Months 58 1,409,226,414.27 89.95 3.2084 73 3.764691
91 Months or Greater 0 0.00 0.00 0.0000 0 0.000000
Total 61 1,566,626,414.27 100.00 3.2003 66 3.660873
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 3 34,370,689.27 2.19 3.7287 74 1.133317
1.251 to 1.500 0 0.00 0.00 0.0000 0 0.000000
1.501 to 1.750 4 47,888,405.35 3.06 3.5055 74 1.613911
1.751 to 2.000 3 44,473,180.81 2.84 3.3211 21 1.932724
2.001 to 2.250 7 164,389,401.79 10.49 2.9199 74 2.126167
2.251 to 2.500 5 130,227,919.51 8.31 3.5288 68 2.348647
2.501 to 2.750 7 211,730,112.31 13.52 3.3450 73 2.643170
2.751 to 3.000 7 265,269,169.33 16.93 3.1429 50 2.864154
3.001 to 3.250 3 26,090,000.00 1.67 3.6815 74 3.070667
3.251 to 3.500 4 90,550,000.00 5.78 3.4177 71 3.390859
3.501 to 3.750 5 109,713,218.37 7.00 3.3515 64 3.556296
3.751 to 4.000 0 0.00 0.00 0.0000 0 0.000000
4.001 or Greater 13 441,924,317.53 28.21 2.9760 73 6.292722
Total 61 1,566,626,414.27 100.00 3.2003 66 3.660873
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Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
STRATIFICATION DETAIL
November 18, 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 5 19,353,588.37 1.24 3.5276 74 2.418994
10,000,001 to 15,000,000 10 126,206,588.27 8.06 3.4801 74 2.724878
15,000,001 to 20,000,000 10 181,940,000.00 11.61 3.2723 66 3.679294
20,000,001 to 25,000,000 1 21,762,176.05 1.39 2.7681 74 2.120000
25,000,001 to 30,000,000 3 87,500,000.00 5.59 2.8392 70 2.912000
30,000,001 to 35,000,000 5 167,915,100.00 10.72 3.1214 58 6.233509
35,000,001 to 40,000,000 2 74,869,169.33 4.78 3.4380 74 3.079755
40,000,001 to 45,000,000 2 84,500,000.00 5.39 2.9230 74 3.862923
45,000,001 to 50,000,000 2 96,827,919.51 6.18 2.8933 74 3.598657
5,000,001 to 10,000,000 12 82,690,344.76 5.28 3.7260 73 2.473042
50,000,001 to 55,000,000 1 55,000,000.00 3.51 2.7681 74 2.120000
55,000,001 to 60,000,000 2 118,075,000.00 7.54 3.4680 68 5.765249
60,000,001 to 65,000,000 1 63,700,000.00 4.07 3.3100 74 2.610000
65,000,001 to 70,000,000 2 131,286,527.98 8.38 3.0199 74 2.823804
70,000,001 to 75,000,000 2 150,000,000.00 9.57 3.3197 74 3.900000
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+ 1 105,000,000.00 6.70 3.0320 14 2.840000
Total 61 1,566,626,414.27 100.00 3.2003 66 3.660873
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Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
STRATIFICATION DETAIL
November 18, 2024
Loan Rate
Asset Ending Scheduled % of Wtd Avg
Loan Rate Range Count Balance Agg.Bal. WAC WAM DSCR
4.00 or Less 60 1,559,191,086.51 99.53 3.1929 66 3.668364
4.01 to 4.25 0 0.00 0.00 0.0000 0 0.000000
4.26 to 4.50 0 0.00 0.00 0.0000 0 0.000000
4.51 to 4.75 1 7,435,327.76 0.47 4.7470 74 2.090000
4.76 to 5.00 0 0.00 0.00 0.0000 0 0.000000
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 61 1,566,626,414.27 100.00 3.2003 66 3.660873
Property Type
Asset Ending Scheduled % of Wtd Avg
Property Type Range Count Balance Agg.Bal. WAC WAM DSCR
Industrial 10 181,726,005.60 11.60 3.3663 73 2.907030
Lodging 5 137,435,327.76 8.77 3.5508 64 3.293111
Mixed Use 11 357,950,000.00 22.85 2.9341 73 5.160228
Multifamily 4 46,955,000.00 3.00 3.7388 74 2.586720
Office 19 701,506,633.23 44.78 3.1272 60 2.690649
Other 0 0.00 0.00 0.0000 0 0.000000
Retail 5 97,260,100.00 6.21 3.4339 74 8.130008
Self Storage 7 43,793,347.68 2.80 3.6620 74 2.455856
Total 61 1,566,626,414.27 100.00 3.2003 66 3.660873
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Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
STRATIFICATION DETAIL
November 18, 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 39 1,184,095,100.00 75.58 3.1873 64 4.052696
241 to 270 Months 0 0.00 0.00 0.0000 0 0.000000
271 to 300 Months 0 0.00 0.00 0.0000 0 0.000000
301 Months or Greater 22 382,531,314.27 24.42 3.2403 73 2.448015
Total 61 1,566,626,414.27 100.00 3.2003 66 3.660873
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 55 1,375,026,414.27 87.77 3.1739 68 3.751126
49 Months or Greater 6 191,600,000.00 12.23 3.3898 53 3.013163
Total 61 1,566,626,414.27 100.00 3.2003 66 3.660873
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Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
STRATIFICATION DETAIL
November 18, 2024
State
Asset Ending Scheduled % of Wtd Avg
State Range Count Balance Agg.Bal. WAC WAM DSCR
California 9 228,235,356.57 14.57 2.8062 69 2.934149
Florida 5 148,142,919.51 9.46 3.3850 74 2.677952
Idaho 2 53,445,000.00 3.41 3.4528 74 11.699823
Illinois 3 55,928,853.08 3.57 3.5842 74 2.765149
Indiana 1 8,500,000.00 0.54 3.3970 70 2.510000
Louisiana 1 6,741,836.19 0.43 3.4100 74 1.130000
Michigan 2 10,502,934.99 0.67 3.8233 75 1.828975
Minnesota 1 14,000,000.00 0.89 3.9100 74 1.070000
Missouri 1 19,825,000.00 1.27 2.9800 74 3.270000
N/A 6 163,849,281.64 10.46 3.4602 55 2.376103
New Jersey 1 12,188,405.35 0.78 3.1320 74 1.670000
New York 13 283,950,000.00 18.12 2.8823 73 3.503499
North Carolina 1 5,973,180.81 0.38 3.6150 74 2.000000
Oregon 1 75,000,000.00 4.79 3.2994 74 5.160000
Pennsylvania 3 55,100,000.00 3.52 3.5556 74 2.814483
Tennessee 3 57,660,327.76 3.68 3.3939 67 4.511062
Texas 2 86,000,000.00 5.49 3.3925 72 3.513023
Utah 1 58,700,000.00 3.75 3.3770 73 9.240000
Virginia 1 18,070,000.00 1.15 3.1600 74 4.510000
Washington 2 137,615,100.00 8.78 3.0913 28 3.176543
West Virginia 1 3,498,218.37 0.22 3.8100 74 3.680000
Wisconsin 1 63,700,000.00 4.07 3.3100 74 2.610000
Total 61 1,566,626,414.27 100.00 3.2003 66 3.660873
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Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
MORTGAGE LOAN DETAIL
November 18, 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 )
30506677 10 A2 MU Farmington UT 11/05/2024 3.37700 % 170,697.97 - 58,700,000.00 58,700,000.00 12/05/2030 0 0 0
30506755 11 OF Saint Petersburg FL 11/06/2024 3.42000 % 138,123.38 73,057.31 46,900,976.82 46,827,919.51 02/06/2031 0 0 8
30506694 12 OF Wyomissing PA 11/06/2024 3.50000 % 129,295.83 - 42,900,000.00 42,900,000.00 01/06/2031 0 0 0
30506727 13 A MU Palo Alto CA 11/06/2024 2.32789 % 83,390.01 - 41,600,000.00 41,600,000.00 10/06/2037 0 0 0
30506685 14 A2 OF 11/01/2024 3.39200 % 115,174.18 62,040.92 39,431,210.25 39,369,169.33 01/01/2031 0 0 0
30506701 15 IN Chicago IL 11/01/2024 3.48900 % 106,656.79 - 35,500,000.00 35,500,000.00 01/01/2031 0 0 0
30530087 16 A1 LO Nashville TN 11/06/2024 3.13900 % 94,605.97 - 35,000,000.00 35,000,000.00 03/06/2030 0 0 0
30506775 17 A1 RT Meridian ID 11/05/2024 3.49900 % 105,455.97 - 35,000,000.00 35,000,000.00 02/05/2031 0 0 0
30530114 18 A5 OF 11/06/2024 3.22200 % 94,610.45 - 34,100,000.00 34,100,000.00 04/04/2025 0 0 0
30506605 19 RT Silverdale WA 11/05/2024 3.28200 % 92,175.71 - 32,615,100.00 32,615,100.00 01/05/2031 0 0 0
30506696 1 A1 MU New York NY 11/06/2024 2.40000 % 103,333.33 - 50,000,000.00 50,000,000.00 01/06/2031 0 0 0
30506741 1 A4 MU New York NY 11/06/2024 2.40000 % 41,333.33 - 20,000,000.00 20,000,000.00 01/06/2031 0 0 0
30506742 1 A5 MU New York NY 11/06/2024 2.40000 % 30,586.67 - 14,800,000.00 14,800,000.00 01/06/2031 0 0 0
30506781 22 MU Brooklyn NY 11/06/2024 3.40000 % 58,409.17 - 19,950,000.00 19,950,000.00 02/06/2031 0 0 0
30506693 23 IN Mexico MO 11/06/2024 2.98000 % 50,873.15 - 19,825,000.00 19,825,000.00 01/06/2031 0 0 0
30506721 24 RT Nampa ID 11/05/2024 3.36500 % 53,446.95 - 18,445,000.00 18,445,000.00 01/05/2031 0 0 0
30506638 25 OF Los Angeles CA 11/06/2024 3.50000 % 55,154.17 - 18,300,000.00 18,300,000.00 01/06/2026 0 0 0
30506698 26 OF Richmond VA 11/06/2024 3.16000 % 49,170.48 - 18,070,000.00 18,070,000.00 01/06/2031 0 0 0
30506777 27 OF New York NY 11/06/2024 3.34000 % 47,455.83 - 16,500,000.00 16,500,000.00 02/06/2031 0 0 0
30530112 28 IN Murfreesboro TN 11/06/2024 3.31900 % 43,513.47 - 15,225,000.00 15,225,000.00 01/06/2031 0 0 0
30506697 29 IN Melrose Park IL 11/06/2024 3.70000 % 43,500.02 24,161.58 13,653,014.66 13,628,853.08 01/06/2031 0 0 0
30530111 2 A1 OF Redmond WA 11/06/2024 3.03200 % 274,143.33 - 105,000,000.00 105,000,000.00 01/06/2026 0 0 0
30506725 30 MF Minneapolis MN 11/06/2024 3.91000 % 47,137.22 - 14,000,000.00 14,000,000.00 01/06/2031 0 0 0
30506726 31 MF New York NY 11/06/2024 3.81000 % 43,471.04 - 13,250,000.00 13,250,000.00 01/06/2031 0 0 0
Robbinsville
30506688 32 OF NJ 11/01/2024 3.13200 % 32,936.52 23,873.70 12,212,279.05 12,188,405.35 01/01/2031 0 0 0
Township
30319206 33 MF Kissimmee FL 11/06/2024 3.55400 % 38,453.79 - 12,565,000.00 12,565,000.00 02/06/2031 0 0 0
30506785 34 MU Brooklyn NY 11/06/2024 3.85000 % 41,440.97 - 12,500,000.00 12,500,000.00 02/06/2031 0 0 0
30530109 35 IN San Diego CA 11/06/2024 3.10600 % 30,803.05 22,614.74 11,516,832.27 11,494,217.53 01/06/2031 0 0 0
30506782 36 OF Cambria Heights NY 11/06/2024 3.85000 % 38,125.69 - 11,500,000.00 11,500,000.00 02/06/2031 0 0 0
30506724 37 SS 11/06/2024 3.61000 % 32,005.31 15,582.08 10,295,694.39 10,280,112.31 01/06/2031 0 0 0
30506722 38 OF Hollywood FL 11/06/2024 3.20000 % 25,764.44 - 9,350,000.00 9,350,000.00 01/06/2031 0 0 0
Reports Available at sf.citidirect.com v. 21.09.28 Page 17 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
MORTGAGE LOAN DETAIL
November 18, 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 )
30530113 39 IN Bloomington IN 11/06/2024 3.39700 % 24,864.15 - 8,500,000.00 8,500,000.00 09/06/2030 0 0 0
30319197 3 A1 OF San Francisco CA 11/06/2024 2.76806 % 156,136.91 217,876.78 65,504,404.76 65,286,527.98 01/06/2031 0 0 0
30319198 3 A2 OF San Francisco CA 11/06/2024 2.76806 % 52,045.64 72,625.59 21,834,801.64 21,762,176.05 01/06/2031 0 0 0
30319199 3 A3 OF San Francisco CA 11/06/2024 2.76806 % 10,409.13 14,525.12 4,366,960.13 4,352,435.01 01/06/2031 0 0 0
30319200 3 B OF San Francisco CA 11/06/2024 2.76806 % 131,098.52 - 55,000,000.00 55,000,000.00 01/06/2031 0 0 0
30506723 40 LO Memphis TN 11/01/2024 4.74700 % 30,437.64 10,836.44 7,446,164.20 7,435,327.76 01/01/2031 0 0 0
30506713 41 MF Modesto CA 11/06/2024 3.59600 % 22,109.41 - 7,140,000.00 7,140,000.00 01/06/2031 0 0 0
30506706 42 SS New Orleans LA 11/06/2024 3.41000 % 19,827.74 10,586.50 6,752,422.69 6,741,836.19 01/06/2031 0 0 0
30506751 43 RT Schaumburg IL 11/06/2024 3.84900 % 22,538.03 - 6,800,000.00 6,800,000.00 02/06/2031 0 0 0
30506711 44 IN Hawthorne NY 11/06/2024 3.81800 % 22,192.13 - 6,750,000.00 6,750,000.00 01/06/2031 0 0 0
30319207 45 MU Detroit MI 11/06/2024 3.95000 % 22,789.31 - 6,700,000.00 6,700,000.00 02/06/2031 0 0 0
30506745 46 SS Bristol PA 11/06/2024 3.98000 % 22,276.94 - 6,500,000.00 6,500,000.00 01/06/2031 0 0 0
30506730 47 SS Knightdale NC 11/06/2024 3.61500 % 18,627.48 10,751.54 5,983,932.35 5,973,180.81 01/06/2031 0 0 0
30506684 48 SS Mechanicsburg PA 11/06/2024 3.49000 % 17,130.08 - 5,700,000.00 5,700,000.00 01/06/2031 0 0 0
30506753 49 SS 11/06/2024 3.84000 % 16,864.00 - 5,100,000.00 5,100,000.00 02/06/2031 0 0 0
30530115 4 A1 OF West Palm Beach FL 11/06/2024 3.34003 % 215,709.95 - 75,000,000.00 75,000,000.00 02/06/2031 0 0 0
30506695 50 RT Bradenton FL 11/06/2024 3.69000 % 13,981.00 - 4,400,000.00 4,400,000.00 01/06/2031 0 0 0
30506748 51 IN Troy MI 11/06/2024 3.60000 % 11,810.27 6,830.19 3,809,765.18 3,802,934.99 02/06/2031 0 0 0
Lewisburg and White
30506746 52 SS WV 11/06/2024 3.81000 % 11,493.70 5,068.00 3,503,286.37 3,498,218.37 01/06/2031 0 0 0
Sulphur Springs
Rancho Santa
30506749 53 IN CA 11/06/2024 3.93000 % 11,167.75 - 3,300,000.00 3,300,000.00 02/06/2031 0 0 0
Margarita
30506739 6 A1 MU Portland OR 11/01/2024 3.29940 % 213,086.51 - 75,000,000.00 75,000,000.00 01/01/2031 0 0 0
30530189 7 OF The Woodlands TX 11/06/2024 3.26900 % 185,788.17 - 66,000,000.00 66,000,000.00 02/06/2031 0 0 0
30506744 8 IN Menomonee Falls WI 11/06/2024 3.31000 % 181,562.69 - 63,700,000.00 63,700,000.00 01/06/2031 0 0 0
30319205 A-1-3 MU New York NY 11/06/2024 3.16000 % 74,830.56 - 27,500,000.00 27,500,000.00 03/06/2030 0 0 0
30319201 A13-8 LO 11/05/2024 3.55800 % 181,915.10 - 59,375,000.00 59,375,000.00 03/05/2032 0 0 0
30319202 A15-8 LO 11/05/2024 3.55800 % 47,872.40 - 15,625,000.00 15,625,000.00 03/05/2032 0 0 0
30506758 A2 /A3 MU New York NY 11/06/2024 2.40000 % 64,480.00 - 31,200,000.00 31,200,000.00 01/06/2031 0 0 0
30505245 A-2-1 LO Houston TX 11/06/2024 3.80000 % 65,444.44 - 20,000,000.00 20,000,000.00 03/06/2030 0 0 0
30319203 A-2-4 OF New York NY 11/06/2024 2.69210 % 69,545.92 - 30,000,000.00 30,000,000.00 12/06/2030 0 0 0
30506584 A-4-3 OF New York NY 11/06/2024 2.69210 % 69,545.92 - 30,000,000.00 30,000,000.00 12/06/2030 0 0 0
Reports Available at sf.citidirect.com v. 21.09.28 Page 18 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
MORTGAGE LOAN DETAIL
Total Count = 61 4,318,825.68 570,430.49 1,567,196,844.76 1,566,626,414.27
November 18, 2024
Reports Available at sf.citidirect.com v. 21.09.28 Page 19 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
NOI DETAIL
November 18, 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
30506677 10 A2 MU Farmington UT 58,700,000.00 18,043,437.42 19,619,532.76 01/01/2024 06/30/2024
30506755 11 OF Saint Petersburg FL 46,827,919.51 5,149,576.19 5,752,102.03 01/01/2024 06/30/2024
30506694 12 OF Wyomissing PA 42,900,000.00 4,480,614.64 4,407,586.24 01/01/2024 06/30/2024
30506727 13 A MU Palo Alto CA 41,600,000.00 4,829,919.99 4,951,934.46 01/01/2024 06/30/2024
30506685 14 A2 OF 39,369,169.33 9,936,968.58 9,936,968.58 Not Available Not Available
30506701 15 IN Chicago IL 35,500,000.00 3,929,427.36 4,269,248.65 01/01/2024 06/30/2024
30530087 16 A1 LO Nashville TN 35,000,000.00 33,475,285.12 37,209,827.57 01/01/2024 09/30/2024
30506775 17 A1 RT Meridian ID 35,000,000.00 18,204,972.23 18,396,314.84 01/01/2024 06/30/2024
30530114 18 A5 OF 34,100,000.00 33,508,485.58 49,867,630.05 01/01/2024 09/30/2024
30506605 19 RT Silverdale WA 32,615,100.00 4,255,124.30 4,772,082.54 01/01/2024 06/30/2024
30506696 1 A1 MU New York NY 50,000,000.00 16,017,895.92 14,385,415.94 01/01/2024 06/30/2024
30506741 1 A4 MU New York NY 20,000,000.00 16,017,895.92 14,385,415.94 01/01/2024 06/30/2024
30506742 1 A5 MU New York NY 14,800,000.00 16,017,895.92 14,385,415.94 01/01/2024 06/30/2024
30506781 22 MU Brooklyn NY 19,950,000.00 1,960,505.24 1,960,505.24 Not Available Not Available
30506693 23 IN Mexico MO 19,825,000.00 2,519,957.59 2,185,737.56 01/01/2024 06/30/2024
30506721 24 RT Nampa ID 18,445,000.00 4,381,539.11 4,402,784.88 01/01/2024 06/30/2024
30506638 25 OF Los Angeles CA 18,300,000.00 2,274,127.73 2,372,787.72 01/01/2024 06/30/2024
30506698 26 OF Richmond VA 18,070,000.00 2,104,031.14 2,832,536.68 01/01/2024 06/30/2024
30506777 27 OF New York NY 16,500,000.00 845,566.26 878,728.44 01/01/2024 06/30/2024
30530112 28 IN Murfreesboro TN 15,225,000.00 1,881,714.50 1,834,437.59 01/01/2024 06/30/2024
30506697 29 IN Melrose Park IL 13,628,853.08 1,826,083.74 1,150,782.68 01/01/2024 06/30/2024
30530111 2 A1 OF Redmond WA 105,000,000.00 10,855,066.52 12,051,434.56 01/01/2024 06/30/2024
30506725 30 MF Minneapolis MN 14,000,000.00 765,268.55 152,652.74 01/01/2024 03/31/2024
30506726 31 MF New York NY 13,250,000.00 1,052,709.17 1,547,183.96 Not Available Not Available
30506688 32 OF Robbinsville Township NJ 12,188,405.35 1,106,283.60 1,143,329.88 01/01/2024 09/30/2024
30319206 33 MF Kissimmee FL 12,565,000.00 1,601,947.98 1,682,482.02 01/01/2024 06/30/2024
30506785 34 MU Brooklyn NY 12,500,000.00 672,218.01 832,245.26 01/01/2024 09/30/2024
30530109 35 IN San Diego CA 11,494,217.53 3,221,998.35 3,221,998.35 Not Available Not Available
30506782 36 OF Cambria Heights NY 11,500,000.00 987,593.27 1,387,170.30 01/01/2024 06/30/2024
30506724 37 SS 10,280,112.31 1,228,804.94 1,265,802.27 07/01/2023 06/30/2024
30506722 38 OF Hollywood FL 9,350,000.00 1,264,475.57 1,206,203.65 01/01/2024 06/30/2024
30530113 39 IN Bloomington IN 8,500,000.00 761,361.21 754,648.96 01/01/2024 06/30/2024
Reports Available at sf.citidirect.com v. 21.09.28 Page 20 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
NOI DETAIL
November 18, 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
30319197 3 A1 OF San Francisco CA 65,286,527.98 13,541,467.49 13,638,877.51 07/01/2023 06/30/2024
30319198 3 A2 OF San Francisco CA 21,762,176.05 13,541,467.49 13,638,877.51 07/01/2023 06/30/2024
30319199 3 A3 OF San Francisco CA 4,352,435.01 13,541,467.49 13,638,877.51 07/01/2023 06/30/2024
30319200 3 B OF San Francisco CA 55,000,000.00 13,541,467.49 13,638,877.51 07/01/2023 06/30/2024
30506723 40 LO Memphis TN 7,435,327.76 993,559.80 1,241,261.60 07/01/2023 06/30/2024
30506713 41 MF Modesto CA 7,140,000.00 839,304.06 827,418.14 01/01/2024 06/30/2024
30506706 42 SS New Orleans LA 6,741,836.19 282,405.93 350,365.83 07/01/2023 06/30/2024
30506751 43 RT Schaumburg IL 6,800,000.00 469,956.85 729,773.44 01/01/2024 06/30/2024
30506711 44 IN Hawthorne NY 6,750,000.00 626,545.38 621,690.27 01/01/2024 06/30/2024
30319207 45 MU Detroit MI 6,700,000.00 311,326.40 436,171.16 Not Available Not Available
30506745 46 SS Bristol PA 6,500,000.00 791,398.67 734,837.78 10/01/2023 09/30/2024
30506730 47 SS Knightdale NC 5,973,180.81 712,675.74 712,675.74 Not Available Not Available
30506684 48 SS Mechanicsburg PA 5,700,000.00 651,998.37 652,351.05 07/01/2023 06/30/2024
30506753 49 SS 5,100,000.00 511,243.19 482,661.04 01/01/2024 06/30/2024
30530115 4 A1 OF West Palm Beach FL 75,000,000.00 18,409,692.60 18,226,402.08 01/01/2024 06/30/2024
30506695 50 RT Bradenton FL 4,400,000.00 349,100.72 80,438.20 01/01/2024 03/31/2024
30506748 51 IN Troy MI 3,802,934.99 534,975.94 553,525.98 01/01/2024 09/30/2024
Lewisburg and White Sulphur
30506746 52 SS WV 3,498,218.37 509,708.99 509,708.99 Not Available Not Available
Springs
30506749 53 IN Rancho Santa Margarita CA 3,300,000.00 322,705.81 315,725.86 01/01/2024 06/30/2024
30506739 6 A1 MU Portland OR 75,000,000.00 14,913,886.98 25,143,295.16 01/01/2024 06/30/2024
30530189 7 OF The Woodlands TX 66,000,000.00 7,822,428.60 8,012,020.82 01/01/2024 06/30/2024
30506744 8 IN Menomonee Falls WI 63,700,000.00 5,669,039.56 5,665,874.76 01/01/2024 09/30/2024
30319205 A-1-3 MU New York NY 27,500,000.00 49,917,843.00 48,329,525.84 01/01/2024 06/30/2024
30319201 A13-8 LO 59,375,000.00 675,005,088.00 287,453,731.00 Not Available Not Available
30319202 A15-8 LO 15,625,000.00 675,005,088.00 287,453,731.00 Not Available Not Available
30506758 A2 /A3 MU New York NY 31,200,000.00 16,017,895.92 14,385,415.94 01/01/2024 06/30/2024
30505245 A-2-1 LO Houston TX 20,000,000.00 9,646,289.32 9,482,097.55 01/01/2024 09/30/2024
30319203 A-2-4 OF New York NY 30,000,000.00 102,450,910.00 104,445,694.50 01/01/2024 06/30/2024
30506584 A-4-3 OF New York NY 30,000,000.00 102,450,910.00 104,445,694.50 01/01/2024 06/30/2024
Total Count = 61 1,566,626,414.27 1,964,560,599.44 1,221,050,526.55
Reports Available at sf.citidirect.com v. 21.09.28 Page 21 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
DELINQUENCY LOAN DETAIL
November 18, 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
No Loans with Delinquency Activity to Report.
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Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
COLLATERAL PERFORMANCE - DELINQUENCY AND LOAN STATUS DETAIL
November 18, 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 0 0 0 0 0 0 0 0
11/18/2024
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 0 0 0 0 0 0 0 0
10/18/2024
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 0 0 0 0 0 0 0 0
09/17/2024
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 0 0 0 0 0 0 0 0
08/16/2024
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 0 0 0 0 0 0 0 0
07/17/2024
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 0 0 0 0 0 0 0 0
06/17/2024
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
1 13,775,464 0 0 0 0 0 0 0 0 0 0 0 0
05/17/2024
1.6 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 0 0 0 0 0 0 0 0
04/17/2024
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 0 0 0 0 0 0 0 0
03/15/2024
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 0 0 0 0 0 0 0 0
02/16/2024
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 0 0 0 0 0 0 0 0
01/18/2024
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
0 0 0 0 0 0 0 0 0 0 0 0 0 0
12/15/2023
0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
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Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
APPRAISAL REDUCTION DETAIL
November 18, 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
No Loans with Appraisal Reduction Activity.
Reports Available at sf.citidirect.com v. 21.09.28 Page 24 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
HISTORICAL APPRAISAL REDUCTION DETAIL
November 18, 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
No Loans with Appraisal Reduction Activity.
Reports Available at sf.citidirect.com v. 21.09.28 Page 25 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
LOAN MODIFICATION DETAIL
November 18, 2024
Modification Modification
Loan ID OMCR Property Name Date Code (4)
30506755 11 First Central Tower 09/19/2022 8
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Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
HISTORICAL LOAN MODIFICATION DETAIL
November 18, 2024
Distribution Modification Modification
Date Loan ID OMCR Property Name Date Code (4)
11/18/2024 30506755 11 First Central Tower 09/19/2022 8
10/18/2024 30506755 11 First Central Tower 09/19/2022 8
09/17/2024 30506755 11 First Central Tower 09/19/2022 8
08/16/2024 30506755 11 First Central Tower 09/19/2022 8
07/17/2024 30506755 11 First Central Tower 09/19/2022 8
06/17/2024 30506755 11 First Central Tower 09/19/2022 8
05/17/2024 30506755 11 First Central Tower 09/19/2022 8
04/17/2024 30506755 11 First Central Tower 09/19/2022 8
03/15/2024 30506755 11 First Central Tower 09/19/2022 8
02/16/2024 30506755 11 First Central Tower 09/19/2022 8
01/18/2024 30506755 11 First Central Tower 09/19/2022 8
12/15/2023 30506755 11 First Central Tower 09/19/2022 8
11/17/2023 30506755 11 First Central Tower 09/19/2022 8
10/17/2023 30506755 11 First Central Tower 09/19/2022 8
09/15/2023 30506755 11 First Central Tower 09/19/2022 8
08/17/2023 30506755 11 First Central Tower 09/19/2022 8
07/17/2023 30506755 11 First Central Tower 09/19/2022 8
06/16/2023 30506755 11 First Central Tower 09/19/2022 8
05/17/2023 30506755 11 First Central Tower 09/19/2022 8
04/17/2023 30506755 11 First Central Tower 09/19/2022 8
03/17/2023 30506755 11 First Central Tower 09/19/2022 8
02/17/2023 30506755 11 First Central Tower 09/19/2022 8
01/18/2023 30506755 11 First Central Tower 09/19/2022 8
07/16/2021 30530111 2 A1 Millennium Corporate Park 12/17/2020 8
06/17/2021 30530111 2 A1 Millennium Corporate Park 12/17/2020 8
04/16/2021 30530111 2 A1 Millennium Corporate Park 12/17/2020 8
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Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
SPECIALLY SERVICED LOAN DETAIL
November 18, 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
No Loans Specially Serviced to Report.
Reports Available at sf.citidirect.com v. 21.09.28 Page 28 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
HISTORICAL SPECIALLY SERVICED LOANS
November 18, 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
No Loans Specially Serviced to Report.
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Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
UNSCHEDULED PRINCIPAL DETAIL
November 18, 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 30 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
HISTORICAL UNSCHEDULED PRINCIPAL DETAIL
November 18, 2024
Distribution Liquidation / Liquid / Prepay Principal Principal Prepayment Interest Prepayment Yield Maintenance
Date Loan ID OMCR Prepayment Date Code (5) Collections Adjustments Excess / (Shortfall) Penalties (PPP) Penalties (YM)
No Loans with Unscheduled Principal Activity to Report.
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Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
LIQUIDATED LOAN DETAIL
November 18, 2024
Loss with
Cumulative Cumulative
Beginning Most Liquidation Net Net Realized Date of
Scheduled Recent Sales Proceeds Liquidation Proceeds Loss to Current Current
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 32 of 35 © Copyright 2024 Citigroup

Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23 November 18, 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
No Loans liquidated to Report.
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Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23 November 18, 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
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Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23 November 18, 2024
NOTES
No Notes available for this deal at this time.
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