Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

STATEMENT TO NOTEHOLDERS

September 17, 2025


TRANSACTION PARTIES


Depositor:	Citigroup Commercial Mortgage Securities Inc.
Master Servicer:	Midland Loan Services, a Division of PNC Bank N.A.
Asset Representations Reviewer /
	Park Bridge Lender Services LLC
Operating Advisor:
Trustee:	Wilmington Trust, National Association
Special Servicer:	CWCapital Asset Management LLC
Special Servicer:	Situs Holdings, LLC
Special Servicer:	Torchlight Loan Services, LLC
Certificate Administrator:	Citibank, N.A.




Dragana Boskovic		Citibank, Agency and Trust
	(212) 816-0735	388 Greenwich Street Trading, 4th Floor
dragana.boskovic@citi.com		New York, NY 10013


TABLE OF CONTENTS


1	.	Distribution Summary	2
1.1	.	Summary	2
1.2	.	Factors	4
2	.	Distribution Detail	5
2.1	.	Interest Detail	5
2.2	.	Interest Shortfall Detail	7
2.3	.	Principal Detail	9
3	.	Reconciliation Detail	10
4	.	Other Information	11
5	.	Stratification Detail	12
6	.	Mortgage Loan Detail	17
7	.	NOI Detail	20
8	.	Delinquency Loan Detail	22
9	.	Collateral Performance Delinquency and Loan Status Detail	23
10	.	Appraisal Reduction Detail	24
11	.	Historical Appraisal Reduction Detail	25
12	.	Loan Modification Detail	26
13	.	Historical Loan Modification Detail	27
14	.	Specially Serviced Loan Detail	29
15	.	Historical Specially Serviced Loan Detail	30
16	.	Unscheduled Principal Detail	31
17	.	Historical Unscheduled Principal Detail	32
18	.	Liquidated Loan Detail	33
19	.	Historical Liquidated Loan Detail	34
20	.	CREFC Investor Reporting Package Legends	35
21	.	Notes	36


Reports Available at sf.citidirect.com	v. 21.09.28	Page 1 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

DISTRIBUTION SUMMARY

September 17, 2025


												Accretion
												&
												Non-Cash
						Accrual		Other				Balance
		Original	Prior	Pass-Through		Day	Interest	(As Interest)	Principal	Total	Realized Loss	Increase/		Current
Class		Balance	Balance	Rate		Count	Distributed	Distributed	Distributed	Distributed	/(Recovery)	(Decrease)		Balance

A-1		21,244,000.00	-	0.418000	%	30/360	-	-	-	-	-	-		-
A-2		155,183,000.00	152,665,113.21	1.620000	%	30/360	206,097.90	-	615,129.29	821,227.19	-	-		152,049,983.92
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	75,294,382.35	0.000000	%	30/360	208,461.60	-	32,375.23	240,836.83	-	-		75,262,007.12
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	2.310861	%	30/360	63,015.24	-	-	63,015.24	-	-		32,723,000.00
G		14,543,000.00	14,543,000.00	2.310861	%	30/360	28,005.71	-	-	28,005.71	-	-		14,543,000.00
H		47,267,145.00	47,267,145.00	2.310861	%	30/360	104,714.55	-	-	104,714.55	-	-		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	1,560,887,641				2,738,461.53	-	647,504.52	3,385,966.05	-	-		1,560,240,136
Notional
X-A		1,181,663,000	1,157,901,113	1.361923	%	30/360	1,314,143.37	-	-	1,314,143.37	-	(615,129.29	)	1,157,285,984
X-B		105,441,000.00	105,441,000.00	1.014135	%	30/360	89,109.53	-	-	89,109.53	-	-		105,441,000.00
X-D		72,718,000.00	72,718,000.00	1.310861	%	30/360	79,435.97	-	-	79,435.97	-	-		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


Reports Available at sf.citidirect.com	v. 21.09.28	Page 2 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

DISTRIBUTION SUMMARY

September 17, 2025

Accretion

Non-Cash

Accrual

Other

Balance

Original

Prior

Pass-Through

Day

Interest

(As Interest)

Principal

Total

Realized Loss

Increase/

Current

Class

Balance

Rate

Count

Distributed

/(Recovery)

(Decrease)

Balance

X-G

14,543,000.00

1.000000

30/360

12,119.17

14,543,000.00

X-H

47,267,145.00

1.000000

30/360

39,389.29

47,267,145.00

Total

1,454,355,145

1,430,593,258

1,561,466.50

(615,129.29

)

1,429,978,129

Grand Total

3,040,255,298

2,991,480,899

4,299,928.03

647,504.52

4,947,432.55

(615,129.29

)

2,990,218,265


Reports Available at sf.citidirect.com	v. 21.09.28	Page 3 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

DISTRIBUTION SUMMARY - FACTORS

September 17, 2025


										Accretion
										&
										Non-Cash
						Other				Balance
				Record	Interest	(As Interest)	Principal	Total	Realized Loss	Increase/	Current
Class		CUSIP		Date	Distributed	Distributed	Distributed	Distributed	/(Recovery)	(Decrease)	Balance

A-1		08162	RAA5	08/29/2025	-	-	-	-	-	-	-
A-2		08162	RAB3	08/29/2025	1.32809586	-	3.96389611	5.29199197	-	-	979.81082928
A-4	A1	08162	RAC1	08/29/2025	1.51916665	-	-	1.51916665	-	-	1,000.00000000
A-4	A2	08162RBX4 U0810TAU7 08162RBY2		08/29/2025	1.51916665	-	-	1.51916665	-	-	1,000.00000000
A-5		08162	RAD9	08/29/2025	1.72499999	-	-	1.72499999	-	-	1,000.00000000
A-AB		08162	RAE7	08/29/2025	1.47166650	-	-	1.47166650	-	-	1,000.00000000
A-S		08162	RAG2	08/29/2025	1.89499997	-	-	1.89499997	-	-	1,000.00000000
B		08162	RAH0	08/29/2025	1.74583328	-	-	1.74583328	-	-	1,000.00000000
C		08162	RAJ6	08/29/2025	2.13583335	-	-	2.13583335	-	-	1,000.00000000
COMB_VRR		08162	RBG1	08/29/2025	2.72338596	-	0.42295678	3.14634274	-	-	983.23860806
D		08162RAK3 U0810TAA1 08162RAL1		08/29/2025	1.66666673	-	-	1.66666673	-	-	1,000.00000000
E		08162RAM9 U0810TAB9 08162RAN7		08/29/2025	1.66666667	-	-	1.66666667	-	-	1,000.00000000
F		08162RAP2 U0810TAC7 08162RAQ0		08/29/2025	1.92571708	-	-	1.92571708	-	-	1,000.00000000
G		08162RAR8 U0810TAD5 08162RAS6		08/29/2025	1.92571753	-	-	1.92571753	-	-	1,000.00000000
H		08162RAT4 U0810TAE3 08162RAU1		08/29/2025	2.21537709	-	-	2.21537709	-	-	1,000.00000000
R		08162	RBH9	08/29/2025	-	-	-	-	-	-	-
S		08162	RBV8	08/29/2025	-	-	-	-	-	-	-
Spear 360-A		08162RBK2 U0810TAN3 08162RBL0		08/29/2025	2.37628988	-	-	2.37628988	-	-	1,000.00000000
Spear 360-B		08162RBM8 U0810TAP8 08162RBN6		08/29/2025	2.37628974	-	-	2.37628974	-	-	1,000.00000000
Spear 360-C		08162RBP1 U0810TAQ6 08162RBQ9		08/29/2025	2.37628997	-	-	2.37628997	-	-	1,000.00000000
Spear 360-D		08162RBR7 U0810TAR4 08162RBS5		08/29/2025	2.37629053	-	-	2.37629053	-	-	1,000.00000000
Spear 360-V		08162	RBU0	08/29/2025	2.37629091	-	-	2.37629091	-	-	1,000.00000000
X-A		08162	RAF4	08/29/2025	1.11211350	-	-	1.11211350	-	-	979.37058511
X-B		08162RAV9 U0810TAF0 08162RAW7		08/29/2025	0.84511272	-	-	0.84511272	-	-	1,000.00000000
X-D		08162RAX5 U0810TAG8 08162RAY3		08/29/2025	1.09238387	-	-	1.09238387	-	-	1,000.00000000
X-F		08162RAZ0 U0810TAH6 08162RBA4		08/29/2025	0.83333344	-	-	0.83333344	-	-	1,000.00000000
X-G		08162RBB2 U0810TAJ2 08162RBC0		08/29/2025	0.83333356	-	-	0.83333356	-	-	1,000.00000000
X-H		08162RBD8 U0810TAK9 08162RBE6		08/29/2025	0.83333339	-	-	0.83333339	-	-	1,000.00000000


Reports Available at sf.citidirect.com	v. 21.09.28	Page 4 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

DISTRIBUTION INFORMATION - INTEREST DETAIL

September 17, 2025


				Rate					Interest			Shortfall			Paid
																Cap
								Accrual	Net	Accreted	Non	Carry	Cap Carryover			Carryover
Class		Uncapped Capped				Next		Dates	Accrued	/Deferred	Recovered	Forward	/Basis Risk	Accrued	Carry Forward /Basis Risk		Total

A-1		0.41800	%	0.41800	%	0.41800	%	08/01-08/31	-	-	-	-	-	-	-	-	-
A-2		1.62000	%	1.62000	%	1.62000	%	08/01-08/31	206,097.90	-	-	-	-	206,097.90	-	-	206,097.90
A-4	A1	1.82300	%	1.82300	%	1.82300	%	08/01-08/31	303,833.33	-	-	-	-	303,833.33	-	-	303,833.33
A-4	A2	1.82300	%	1.82300	%	1.82300	%	08/01-08/31	303,833.33	-	-	-	-	303,833.33	-	-	303,833.33
A-5		2.07000	%	2.07000	%	2.07000	%	08/01-08/31	727,430.77	-	-	-	-	727,430.77	-	-	727,430.77
A-AB		1.76600	%	1.76600	%	1.76600	%	08/01-08/31	29,318.54	-	-	-	-	29,318.54	-	-	29,318.54
A-S		2.27400	%	2.27400	%	2.27400	%	08/01-08/31	310,050.42	-	-	-	-	310,050.42	-	-	310,050.42
B		2.09500	%	2.09500	%	2.09500	%	08/01-08/31	104,736.03	-	-	-	-	104,736.03	-	-	104,736.03
C		2.56300	%	2.56300	%	2.56300	%	08/01-08/31	97,071.49	-	-	-	-	97,071.49	-	-	97,071.49
COMB_VRR		0.00000	%	0.00000	%	0.00000	%	08/01-08/31	208,461.60	-	-	-	-	208,461.60	-	-	208,461.60
D		2.00000	%	2.00000	%	2.00000	%	08/01-08/31	84,836.67	-	-	-	-	84,836.67	-	-	84,836.67
E		2.00000	%	2.00000	%	2.00000	%	08/01-08/31	36,360.00	-	-	-	-	36,360.00	-	-	36,360.00
F		2.20099	%	2.31086	%	2.31086	%	08/01-08/31	63,015.24	-	-	-	-	63,015.24	-	-	63,015.24
G		2.20099	%	2.31086	%	2.31086	%	08/01-08/31	28,005.71	-	-	-	-	28,005.71	-	-	28,005.71
H		2.20099	%	2.31086	%	2.31086	%	08/01-08/31	91,023.15	-	-	169.57	-	91,023.15	13,691.40	-	104,714.55
R		0.00000	%	0.00000	%	0.00000	%	08/01-08/31	-	-	-	-	-	-	-	-	-
S		0.00000	%	0.00000	%	0.00000	%	08/01-08/31	-	-	-	-	-	-	-	-	-
Spear 360-A		2.75956	%	2.85155	%	2.85155	%	08/01-08/31	29,347.18	-	-	-	-	29,347.18	-	-	29,347.18
Spear 360-B		2.75956	%	2.85155	%	2.85155	%	08/01-08/31	38,940.26	-	-	-	-	38,940.26	-	-	38,940.26
Spear 360-C		2.75956	%	2.85155	%	2.85155	%	08/01-08/31	38,942.64	-	-	-	-	38,942.64	-	-	38,942.64
Spear 360-D		2.75956	%	2.85155	%	2.85155	%	08/01-08/31	16,931.07	-	-	-	-	16,931.07	-	-	16,931.07
Spear 360-V		2.75956	%	2.85155	%	2.85155	%	08/01-08/31	6,534.80	-	-	-	-	6,534.80	-	-	6,534.80
Total									2,724,770.13	-	-	169.57	-	2,724,770.13	13,691.40	-	2,738,461.53
Notional
X-A		1.28027	%	1.36192	%	1.36192	%	08/01-08/31	1,314,143.37	-	-	-	-	1,314,143.37	-	-	1,314,143.37
X-B		0.90426	%	1.01414	%	1.01414	%	08/01-08/31	89,109.53	-	-	-	-	89,109.53	-	-	89,109.53
X-D		1.20099	%	1.31086	%	1.31086	%	08/01-08/31	79,435.97	-	-	-	-	79,435.97	-	-	79,435.97
X-F		1.00000	%	1.00000	%	1.00000	%	08/01-08/31	27,269.17	-	-	-	-	27,269.17	-	-	27,269.17
X-G		1.00000	%	1.00000	%	1.00000	%	08/01-08/31	12,119.17	-	-	-	-	12,119.17	-	-	12,119.17


Reports Available at sf.citidirect.com	v. 21.09.28	Page 5 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

DISTRIBUTION INFORMATION - INTEREST DETAIL

September 17, 2025

Paid


			Rate					Interest			Shortfall
															Cap
							Accrual	Net	Accreted	Non	Carry	Cap Carryover			Carryover
Class	Uncapped		Capped		Next		Dates	Accrued	/Deferred	Recovered	Forward	/Basis Risk	Accrued	Carry Forward	/Basis Risk	Total

X-H	1.00000	%	1.00000	%	1.00000	%	08/01-08/31	39,389.29	-	-	-	-	39,389.29	-	-	39,389.29
Total								1,561,466.50	-	-	-	-	1,561,466.50	-	-	1,561,466.50

Grand Total								4,286,236.63	-	-	169.57	-	4,286,236.63	13,691.40	-	4,299,928.03


Reports Available at sf.citidirect.com	v. 21.09.28	Page 6 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

DISTRIBUTION INFORMATION - INTEREST SHORTFALL

September 17, 2025


												Cap Carryover /
		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		-	-	-	88,053.47	169.57	-	13,691.40	74,531.64	-	-	-	-	-
R		-	-	-	-	-	-	-	-	-	-	-	-	-
S		-	-	-	-	-	-	-	-	-	-	-	-	-
Spear 360-A		-	-	-	-	-	-	-	-	-	-	-	-	-
Spear 360-B		-	-	-	-	-	-	-	-	-	-	-	-	-
Spear 360-C		-	-	-	-	-	-	-	-	-	-	-	-	-
Spear 360-D		-	-	-	0.38	-	-	-	0.38	-	-	-	-	-
Spear 360-V		-	-	-	-	-	-	-	-	-	-	-	-	-
Total		-	-	-	88,053.85	169.57	-	13,691.40	74,532.02	-	-	-	-	-
Notional
X-A		-	-	-	-	-	-	-	-	-	-	-	-	-
X-B		-	-	-	-	-	-	-	-	-	-	-	-	-
X-D		-	-	-	-	-	-	-	-	-	-	-	-	-
X-F		-	-	-	-	-	-	-	-	-	-	-	-	-
X-G		-	-	-	-	-	-	-	-	-	-	-	-	-


Reports Available at sf.citidirect.com	v. 21.09.28	Page 7 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

DISTRIBUTION INFORMATION - INTEREST SHORTFALL DETAIL

September 17, 2025

Cap Carryover /

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

88,053.85

169.57

13,691.40

74,532.02


Reports Available at sf.citidirect.com	v. 21.09.28	Page 8 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

DISTRIBUTION INFORMATION - PRINCIPAL DETAIL

September 17, 2025


						Accretion
						&
						Non-Cash
						Balance		Cumulative
		Prior	Principal	Accreted	Realized Loss	Increase/	Current	Realized	Class %		Class %		Sub %		Sub %
Class		Balance	Distributed	Principal	/(Recovery)	(Decrease)	Balance	Loss	Original		Current		Original		Current

A-1		-	-	-	-	-	-	-	1.34	%	0.00	%	30.00	%	30.51	%
A-2		152,665,113.21	615,129.29	-	-	-	152,049,983.92	-	9.79	%	9.75	%	30.00	%	30.51	%
A-4	A1	200,000,000.00	-	-	-	-	200,000,000.00	-	12.61	%	12.82	%	30.00	%	30.51	%
A-4	A2	200,000,000.00	-	-	-	-	200,000,000.00	-	12.61	%	12.82	%	30.00	%	30.51	%
A-5		421,699,000.00	-	-	-	-	421,699,000.00	-	26.59	%	27.03	%	30.00	%	30.51	%
A-AB		19,922,000.00	-	-	-	-	19,922,000.00	-	1.26	%	1.28	%	30.00	%	30.51	%
A-S		163,615,000.00	-	-	-	-	163,615,000.00	-	10.32	%	10.49	%	18.75	%	19.07	%
B		59,992,000.00	-	-	-	-	59,992,000.00	-	3.78	%	3.85	%	14.63	%	14.87	%
C		45,449,000.00	-	-	-	-	45,449,000.00	-	2.87	%	2.91	%	11.50	%	11.70	%
COMB_VRR		75,294,382.35	32,375.23	-	-	-	75,262,007.12	-	4.83	%	4.82	%	0.00	%	0.00	%
D		50,902,000.00	-	-	-	-	50,902,000.00	-	3.21	%	3.26	%	8.00	%	8.14	%
E		21,816,000.00	-	-	-	-	21,816,000.00	-	1.38	%	1.40	%	6.50	%	6.61	%
F		32,723,000.00	-	-	-	-	32,723,000.00	-	2.06	%	2.10	%	4.25	%	4.32	%
G		14,543,000.00	-	-	-	-	14,543,000.00	-	0.92	%	0.93	%	3.25	%	3.31	%
H		47,267,145.00	-	-	-	-	47,267,145.00	-	2.98	%	3.03	%	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	%	0.46	%	5.00	%	5.00	%
Spear 360-V		2,750,000.00	-	-	-	-	2,750,000.00	-	0.17	%	0.18	%	0.00	%	0.00	%

Total		1,560,887,640.56	647,504.52	-	-	-	1,560,240,136.04	-	100.01	%	100.00	%


Reports Available at sf.citidirect.com	v. 21.09.28	Page 9 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

RECONCILIATION DETAIL

September 17, 2025


SOURCE OF FUNDS			ALLOCATION OF FUNDS

Interest Funds Available			Scheduled Fees
Scheduled Interest	4,301,827.99		Servicing Fee	6,769.06
Prepayment Interest Excess	-		Trustee/Certificate Administrator Fee	7,392.52
Prepayment Interest Shortfall	-		Operating Advisor Fee	1,270.82
Interest Adjustments	-		Asset Representations Reviewer Ongoing Fee	207.48
ASER Amount	-		CREFC Intellectual Property Royalty License Fee	672.05
Realized Loss in Excess of Principal Balance	-
			Total Scheduled Fees			16,311.93
Total Interest Funds Available		4,301,827.99	Additional Fees, Expenses, etc.
Principal Funds Available			Additional Servicing Fee	-
Scheduled Principal	647,504.52		Special Servicing Fee	(14,445.14	)
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	33.17
			Borrower Reimbursable Trust Fund Expenses	-
Total Principal Funds Available		647,504.52
			Other Expenses	-
Other Funds Available
Yield Maintenance Charges	-		Total Additional Fees, Expenses, etc.			(14,411.97	)
Withdrawal of Withheld Amounts from the Interest Reserve			Distributions
Account	-
			Interest Distribution	4,299,928.03
Deposit of Withheld Amounts to the Interest Reserve Account	-
			Principal Distribution	647,504.52
Total Other Funds Available		-	Yield Maintenance Charge Distribution	-
			Total Distributions			4,947,432.55




Total Funds Available		4,949,332.51
			Total Funds Allocated			4,949,332.51


Reports Available at sf.citidirect.com	v. 21.09.28	Page 10 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

OTHER INFORMATION

September 17, 2025


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	98.381990	%
Controlling Class Information
The Controlling Class Representative is LD II Holdco XV, LLC
There Are No Disclosable Special Servicer Fees.


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Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

STRATIFICATION DETAIL

September 17, 2025


Anticipated Remaining Term

Anticipated Remaining	Asset	Ending Scheduled	% of			Wtd Avg
Term Range	Count	Balance	Agg.Bal. WAC		WAM	DSCR

60 Months or Less	9	323,227,898.21	20.72	3.2798	29	3.809228
61 to 90 Months	52	1,237,012,237.83	79.28	3.1799	64	3.681549
91 Months or Greater	0	0.00	0.00	0.0000	0	0.000000
Total	61	1,560,240,136.04	100.00	3.2006	56	3.707999

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	4	40,637,430.03	2.60	3.7658	64	0.716264
1.251 to 1.500	1	16,500,000.00	1.06	3.3400	65	1.500000
1.501 to 1.750	4	65,289,686.40	4.18	3.3874	30	1.622627
1.751 to 2.000	4	69,568,604.35	4.46	3.5278	64	1.921211
2.001 to 2.250	7	185,540,615.82	11.89	2.9587	64	2.191446
2.251 to 2.500	4	20,631,151.81	1.32	3.6285	62	2.407026
2.501 to 2.750	5	122,559,710.32	7.86	3.3691	62	2.664330
2.751 to 3.000	5	261,816,218.06	16.78	3.2655	39	2.835330
3.001 to 3.250	8	218,640,000.00	14.01	2.6960	63	3.048729
3.251 to 3.500	3	21,850,000.00	1.40	3.4776	64	3.390137
3.501 to 3.750	3	96,865,000.00	6.21	3.3496	53	3.554711
3.751 to 4.000	0	0.00	0.00	0.0000	0	0.000000
4.001 or Greater	13	440,341,719.25	28.22	3.2641	60	6.544469
Total	61	1,560,240,136.04	100.00	3.2006	56	3.707999


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Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

STRATIFICATION DETAIL

September 17, 2025


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	19,077,548.35	1.22	3.5325	64	2.240357
10,000,001 to 15,000,000	10	125,303,217.49	8.03	3.4809	64	2.376455
15,000,001 to 20,000,000	10	181,572,333.65	11.64	3.2718	56	3.836065
20,000,001 to 25,000,000	1	21,010,158.95	1.35	2.7681	64	2.190000
25,000,001 to 30,000,000	3	87,500,000.00	5.61	2.8392	60	2.901143
30,000,001 to 35,000,000	5	167,915,100.00	10.76	3.1214	49	5.732435
35,000,001 to 40,000,000	2	74,216,218.06	4.76	3.4384	64	2.933933
40,000,001 to 45,000,000	2	84,500,000.00	5.42	2.9230	64	4.041077
45,000,001 to 50,000,000	2	96,058,434.04	6.16	2.8891	64	2.517773
5,000,001 to 10,000,000	12	82,281,648.83	5.27	3.7250	63	2.360204
50,000,001 to 55,000,000	1	55,000,000.00	3.53	2.7681	64	2.190000
55,000,001 to 60,000,000	2	118,075,000.00	7.57	3.4680	58	7.997480
60,000,001 to 65,000,000	2	126,730,476.67	8.12	3.0405	64	2.491585
65,000,001 to 70,000,000	1	66,000,000.00	4.23	3.2690	65	3.520000
70,000,001 to 75,000,000	2	150,000,000.00	9.61	3.3197	64	3.850000
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	6.73	3.0320	4	2.860000
Total	61	1,560,240,136.04	100.00	3.2006	56	3.707999


Reports Available at sf.citidirect.com	v. 21.09.28	Page 13 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

STRATIFICATION DETAIL

September 17, 2025


Loan Rate

	Asset	Ending Scheduled	% of			Wtd Avg
Loan Rate Range	Count	Balance	Agg.Bal. WAC WAM			DSCR

4.00 or Less	60	1,552,921,622.85	99.53	3.1933	56	3.715625
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	7,318,513.19	0.47	4.7470	64	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	1,560,240,136.04	100.00	3.2006	56	3.707999

Property Type

	Asset	Ending Scheduled	% of			Wtd Avg
Property Type Range	Count	Balance	Agg.Bal. WAC WAM			DSCR

Industrial	10	180,968,772.99	11.60	3.3662	63	2.908865
Lodging	5	137,146,411.40	8.79	3.5495	54	5.333996
Mixed Use	11	357,882,590.78	22.94	2.9339	63	4.720241
Multifamily	4	46,955,000.00	3.01	3.7388	64	2.150076
Office	19	696,677,005.69	44.65	3.1282	50	2.666117
Other	0	0.00	0.00	0.0000	0	0.000000
Retail	5	97,260,100.00	6.23	3.4339	64	8.017313
Self Storage	7	43,350,255.18	2.78	3.6627	64	2.306369
Total	61	1,560,240,136.04	100.00	3.2006	56	3.707999


Reports Available at sf.citidirect.com	v. 21.09.28	Page 14 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

STRATIFICATION DETAIL

September 17, 2025


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	75.89	3.1873	54	4.122483
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	376,145,036.04	24.11	3.2422	63	2.403214
Total	61	1,560,240,136.04	100.00	3.2006	56	3.707999

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	61	1,560,240,136.04	100.00	3.2006	56	3.707999
Total	61	1,560,240,136.04	100.00	3.2006	56	3.707999


Reports Available at sf.citidirect.com	v. 21.09.28	Page 15 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

STRATIFICATION DETAIL

September 17, 2025


State

	Asset	Ending Scheduled	% of			Wtd Avg
State Range	Count	Balance	Agg.Bal. WAC WAM			DSCR

California	9	224,841,388.23	14.41	2.8065	59	3.088512
Florida	5	147,373,434.04	9.45	3.3848	64	2.557720
Idaho	2	53,445,000.00	3.43	3.4528	64	11.452469
Illinois	3	55,674,464.70	3.57	3.5837	64	2.525442
Indiana	1	8,500,000.00	0.54	3.3970	60	2.460000
Louisiana	1	6,630,374.55	0.42	3.4100	64	0.760000
Michigan	2	10,363,742.59	0.66	3.8240	65	1.316429
Minnesota	1	14,000,000.00	0.90	3.9100	64	0.700000
Missouri	1	19,825,000.00	1.27	2.9800	64	4.260000
N/A	6	163,031,563.41	10.45	3.4603	46	3.909130
New Jersey	1	11,939,686.40	0.77	3.1320	64	1.670000
New York	13	283,950,000.00	18.20	2.8823	63	2.704048
North Carolina	1	5,860,170.31	0.38	3.6150	64	1.830000
Oregon	1	75,000,000.00	4.81	3.2994	64	5.000000
Pennsylvania	3	55,100,000.00	3.53	3.5556	64	2.881906
Tennessee	3	57,347,948.63	3.68	3.3914	57	4.207846
Texas	2	85,827,898.21	5.50	3.3917	62	3.723297
Utah	1	58,700,000.00	3.76	3.3770	63	10.200000
Virginia	1	18,070,000.00	1.16	3.1600	64	4.130000
Washington	2	137,615,100.00	8.82	3.0913	18	3.177583
West Virginia	1	3,444,364.97	0.22	3.8100	64	2.510000
Wisconsin	1	63,700,000.00	4.08	3.3100	64	2.790000
Total	61	1,560,240,136.04	100.00	3.2006	56	3.707999




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Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

MORTGAGE LOAN DETAIL

September 17, 2025


			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	09/05/2025	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	09/06/2025	3.42000	%	135,863.90	75,316.79	46,133,750.83	46,058,434.04	02/06/2031	0		0		8
30506694	12		OF	Wyomissing	PA	09/06/2025	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	09/06/2025	2.32789	%	83,390.01	-	41,600,000.00	41,600,000.00	10/06/2037	0		0		0
30506685	14	A2	OF			09/01/2025	3.39200	%	113,272.54	63,942.56	38,780,160.62	38,716,218.06	01/01/2031	0		0		0
30506701	15		IN	Chicago	IL	08/29/2025	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	09/05/2025	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	09/05/2025	3.49900	%	105,455.97	-	35,000,000.00	35,000,000.00	02/05/2031	0		0		0
30530114	18	A5	OF			08/06/2025	3.22200	%	94,610.45	-	34,100,000.00	34,100,000.00	04/04/2025	5		1		8
30506605	19		RT	Silverdale	WA	09/05/2025	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	09/06/2025	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	09/06/2025	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	09/06/2025	2.40000	%	30,586.67	-	14,800,000.00	14,800,000.00	01/06/2031	0		0		0
30506781	22		MU	Brooklyn	NY	09/06/2025	3.40000	%	58,409.17	-	19,950,000.00	19,950,000.00	02/06/2031	0		0		0
30506693	23		IN	Mexico	MO	09/06/2025	2.98000	%	50,873.15	-	19,825,000.00	19,825,000.00	01/06/2031	0		0		0
30506721	24		RT	Nampa	ID	09/05/2025	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	09/06/2025	3.50000	%	55,154.17	-	18,300,000.00	18,300,000.00	01/06/2026	0		0		0
30506698	26		OF	Richmond	VA	09/06/2025	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	09/06/2025	3.34000	%	47,455.83	-	16,500,000.00	16,500,000.00	02/06/2031	0		0		0
30530112	28		IN	Murfreesboro	TN	09/05/2025	3.31900	%	43,022.61	23,815.49	15,053,250.93	15,029,435.44	01/06/2031	0		0		0
30506697	29		IN	Melrose Park	IL	09/06/2025	3.70000	%	42,692.09	24,969.51	13,399,434.21	13,374,464.70	01/06/2031	0		0		0
30530111	2	A1	OF	Redmond	WA	09/05/2025	3.03200	%	274,143.33	-	105,000,000.00	105,000,000.00	01/06/2026	0		0		0
30506725	30		MF	Minneapolis	MN	09/06/2025	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	09/06/2025	3.81000	%	43,471.04	-	13,250,000.00	13,250,000.00	01/06/2031	0		0		0
				Robbinsville
30506688	32		OF		NJ	09/01/2025	3.13200	%	32,267.53	24,542.69	11,964,229.09	11,939,686.40	01/01/2031	0		0		0
				Township
30319206	33		MF	Kissimmee	FL	09/06/2025	3.55400	%	38,453.79	-	12,565,000.00	12,565,000.00	02/06/2031	0		0		0
30506785	34		MU	Brooklyn	NY	09/06/2025	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	09/05/2025	3.10600	%	30,174.87	23,242.92	11,281,963.96	11,258,721.04	01/06/2031	0		0		0
30506782	36		OF	Cambria Heights	NY	09/06/2025	3.85000	%	38,125.69	-	11,500,000.00	11,500,000.00	02/06/2031	0		0		0
30506724	37		SS			09/06/2025	3.61000	%	31,494.70	16,092.69	10,131,438.04	10,115,345.35	01/06/2031	0		0		0
30506722	38		OF	Hollywood	FL	09/06/2025	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 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

MORTGAGE LOAN DETAIL

September 17, 2025


			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	09/05/2025	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	09/06/2025	2.76806	%	150,772.16	223,241.53	63,253,718.20	63,030,476.67	01/06/2031	0		0		0
30319198	3	A2	OF	San Francisco	CA	09/06/2025	2.76806	%	50,257.39	74,413.84	21,084,572.79	21,010,158.95	01/06/2031	0		0		0
30319199	3	A3	OF	San Francisco	CA	09/06/2025	2.76806	%	10,051.48	14,882.77	4,216,914.34	4,202,031.57	01/06/2031	0		0		0
30319200	3	B	OF	San Francisco	CA	09/06/2025	2.76806	%	131,098.52	-	55,000,000.00	55,000,000.00	01/06/2031	0		0		0
30506723	40		LO	Memphis	TN	09/01/2025	4.74700	%	29,962.09	11,311.99	7,329,825.18	7,318,513.19	01/01/2031	0		0		0
30506713	41		MF	Modesto	CA	09/05/2025	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	09/06/2025	3.41000	%	19,501.40	10,912.84	6,641,287.39	6,630,374.55	01/06/2031	0		0		0
30506751	43		RT	Schaumburg	IL	09/06/2025	3.84900	%	22,538.03	-	6,800,000.00	6,800,000.00	02/06/2031	0		0		0
30506711	44		IN	Hawthorne	NY	09/06/2025	3.81800	%	22,192.13	-	6,750,000.00	6,750,000.00	01/06/2031	0		0		0
30319207	45		MU	Detroit	MI	09/06/2025	3.95000	%	22,591.32	9,202.67	6,641,793.45	6,632,590.78	02/06/2031	0		0		0
30506745	46		SS	Bristol	PA	09/06/2025	3.98000	%	22,276.94	-	6,500,000.00	6,500,000.00	01/06/2031	0		0		0
30506730	47		SS	Knightdale	NC	09/06/2025	3.61500	%	18,276.78	11,102.24	5,871,272.55	5,860,170.31	01/06/2031	0		0		0
30506684	48		SS	Mechanicsburg	PA	09/06/2025	3.49000	%	17,130.08	-	5,700,000.00	5,700,000.00	01/06/2031	0		0		0
30506753	49		SS			09/06/2025	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	09/06/2025	3.34003	%	215,709.95	-	75,000,000.00	75,000,000.00	02/06/2031	0		0		0
30506695	50		RT	Bradenton	FL	09/06/2025	3.69000	%	13,981.00	-	4,400,000.00	4,400,000.00	01/06/2031	0		0		0
30506748	51		IN	Troy	MI	09/06/2025	3.60000	%	11,588.43	7,052.03	3,738,203.84	3,731,151.81	02/06/2031	0		0		0
				Lewisburg and White
30506746	52		SS		WV	09/06/2025	3.81000	%	11,317.59	5,244.11	3,449,609.08	3,444,364.97	01/06/2031	0		0		0
				Sulphur Springs
				Rancho Santa
30506749	53		IN		CA	08/06/2025	3.93000	%	11,167.75	-	3,300,000.00	3,300,000.00	02/06/2031	B		0		0
				Margarita
30506739	6	A1	MU	Portland	OR	09/01/2025	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	09/05/2025	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	09/06/2025	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	09/06/2025	3.16000	%	74,830.56	-	27,500,000.00	27,500,000.00	03/06/2030	0		0		0
30319201	A13-8		LO			09/05/2025	3.55800	%	181,915.10	-	59,375,000.00	59,375,000.00	03/05/2032	0		0		0
30319202	A15-8		LO			09/05/2025	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	09/06/2025	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	09/06/2025	3.80000	%	64,973.62	28,217.85	19,856,116.06	19,827,898.21	03/06/2030	0		0		0
30319203	A-2-4		OF	New York	NY	09/06/2025	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	09/06/2025	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 36	© Copyright 2025 Citigroup


Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23
		MORTGAGE LOAN DETAIL
Total	Count = 61	4,301,827.99	647,504.52	1,560,887,640.56	1,560,240,136.04

September 17, 2025


Reports Available at sf.citidirect.com	v. 21.09.28	Page 19 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

NOI DETAIL

September 17, 2025


			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	21,838,566.30	5,401,362.21	01/01/2025	03/31/2025
30506755	11		OF	Saint Petersburg	FL	46,058,434.04	5,850,767.54	1,329,087.69	01/01/2025	03/31/2025
30506694	12		OF	Wyomissing	PA	42,900,000.00	4,498,184.21	4,498,184.21	Not Available	Not Available
30506727	13	A	MU	Palo Alto	CA	41,600,000.00	4,977,764.66	5,252,172.34	01/01/2025	06/30/2025
30506685	14	A2	OF			38,716,218.06	9,995,605.89	9,936,968.58	Not Available	Not Available
30506701	15		IN	Chicago	IL	35,500,000.00	3,986,625.63	3,877,606.50	Not Available	Not Available
30530087	16	A1	LO	Nashville	TN	35,000,000.00	36,487,737.20	37,209,827.57	Not Available	Not Available
30506775	17	A1	RT	Meridian	ID	35,000,000.00	17,750,396.18	17,750,396.18	Not Available	Not Available
30530114	18	A5	OF			34,100,000.00	27,939,961.57	25,257,112.63	01/01/2025	06/30/2025
30506605	19		RT	Silverdale	WA	32,615,100.00	4,713,676.99	4,713,676.99	Not Available	Not Available
30506696	1	A1	MU	New York	NY	50,000,000.00	15,112,129.97	2,404,559.97	01/01/2025	03/31/2025
30506741	1	A4	MU	New York	NY	20,000,000.00	15,112,129.97	2,404,559.97	01/01/2025	03/31/2025
30506742	1	A5	MU	New York	NY	14,800,000.00	15,112,129.97	2,404,559.97	01/01/2025	03/31/2025
30506781	22		MU	Brooklyn	NY	19,950,000.00	2,010,296.42	400,782.78	01/01/2025	03/31/2025
30506693	23		IN	Mexico	MO	19,825,000.00	2,265,579.67	2,779,803.32	01/01/2025	06/30/2025
30506721	24		RT	Nampa	ID	18,445,000.00	4,381,539.11	4,573,330.95	Not Available	Not Available
30506638	25		OF	Los Angeles	CA	18,300,000.00	2,372,976.11	2,416,970.32	01/01/2025	06/30/2025
30506698	26		OF	Richmond	VA	18,070,000.00	2,390,678.50	2,611,775.39	01/01/2025	06/30/2025
30506777	27		OF	New York	NY	16,500,000.00	898,097.89	840,150.09	01/01/2025	06/30/2025
30530112	28		IN	Murfreesboro	TN	15,029,435.44	1,842,596.95	1,865,360.36	01/01/2025	06/30/2025
30506697	29		IN	Melrose Park	IL	13,374,464.70	1,590,525.83	180,690.45	01/01/2025	03/31/2025
30530111	2	A1	OF	Redmond	WA	105,000,000.00	10,736,555.53	12,131,184.85	01/01/2025	06/30/2025
30506725	30		MF	Minneapolis	MN	14,000,000.00	315,900.29	100,940.97	01/01/2025	03/31/2025
30506726	31		MF	New York	NY	13,250,000.00	975,175.02	975,175.02	Not Available	Not Available
30506688	32		OF	Robbinsville Township	NJ	11,939,686.40	1,143,270.80	1,147,416.30	01/01/2025	06/30/2025
30319206	33		MF	Kissimmee	FL	12,565,000.00	1,687,104.39	1,677,555.39	01/01/2025	06/30/2025
30506785	34		MU	Brooklyn	NY	12,500,000.00	954,641.89	832,245.26	Not Available	Not Available
30530109	35		IN	San Diego	CA	11,258,721.04	3,707,865.72	3,726,710.70	Not Available	Not Available
30506782	36		OF	Cambria Heights	NY	11,500,000.00	1,387,170.30	1,387,170.30	Not Available	Not Available
30506724	37		SS			10,115,345.35	1,309,287.72	648,071.77	07/01/2024	06/30/2025
30506722	38		OF	Hollywood	FL	9,350,000.00	1,121,597.51	1,138,151.52	01/01/2025	06/30/2025
30530113	39		IN	Bloomington	IN	8,500,000.00	735,993.72	740,260.26	01/01/2025	06/30/2025


Reports Available at sf.citidirect.com	v. 21.09.28	Page 20 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

NOI DETAIL

September 17, 2025


			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	63,030,476.67	13,986,414.66	14,189,967.95	07/01/2024	06/30/2025
30319198	3	A2	OF	San Francisco	CA	21,010,158.95	13,986,414.66	14,189,967.95	07/01/2024	06/30/2025
30319199	3	A3	OF	San Francisco	CA	4,202,031.57	13,986,414.66	14,189,967.95	07/01/2024	06/30/2025
30319200	3	B	OF	San Francisco	CA	55,000,000.00	13,986,414.66	14,189,967.95	07/01/2024	06/30/2025
30506723	40		LO	Memphis	TN	7,318,513.19	1,416,518.32	1,242,650.20	Not Available	Not Available
30506713	41		MF	Modesto	CA	7,140,000.00	814,745.06	814,745.06	Not Available	Not Available
30506706	42		SS	New Orleans	LA	6,630,374.55	361,581.60	299,426.19	07/01/2024	06/30/2025
30506751	43		RT	Schaumburg	IL	6,800,000.00	848,686.77	896,062.32	01/01/2025	06/30/2025
30506711	44		IN	Hawthorne	NY	6,750,000.00	566,212.09	479,507.24	01/01/2025	06/30/2025
30319207	45		MU	Detroit	MI	6,632,590.78	319,661.16	54,526.48	Not Available	Not Available
30506745	46		SS	Bristol	PA	6,500,000.00	721,743.98	717,138.98	07/01/2024	06/30/2025
30506730	47		SS	Knightdale	NC	5,860,170.31	652,663.01	652,663.01	Not Available	Not Available
30506684	48		SS	Mechanicsburg	PA	5,700,000.00	633,852.32	709,002.14	07/01/2024	06/30/2025
30506753	49		SS			5,100,000.00	534,747.34	495,990.66	01/01/2025	06/30/2025
30530115	4	A1	OF	West Palm Beach	FL	75,000,000.00	16,993,254.12	18,619,602.96	01/01/2025	06/30/2025
30506695	50		RT	Bradenton	FL	4,400,000.00	315,113.55	80,438.20	Not Available	Not Available
30506748	51		IN	Troy	MI	3,731,151.81	558,350.78	558,350.78	Not Available	Not Available
				Lewisburg and White Sulphur
30506746	52		SS		WV	3,444,364.97	479,995.00	487,605.05	Not Available	Not Available
				Springs
30506749	53		IN	Rancho Santa Margarita	CA	3,300,000.00	315,611.45	326,001.60	Not Available	Not Available
30506739	6	A1	MU	Portland	OR	75,000,000.00	18,248,216.04	24,397,795.44	01/01/2025	06/30/2025
30530189	7		OF	The Woodlands	TX	66,000,000.00	7,864,984.32	2,003,622.69	01/01/2025	03/31/2025
30506744	8		IN	Menomonee Falls	WI	63,700,000.00	5,735,690.18	1,506,647.37	01/01/2025	03/31/2025
30319205	A-1-3		MU	New York	NY	27,500,000.00	46,467,367.55	46,467,367.55	Not Available	Not Available
30319201	A13-8		LO			59,375,000.00	758,127,002.00	666,946,446.00	04/01/2024	03/31/2025
30319202	A15-8		LO			15,625,000.00	758,127,002.00	666,946,446.00	04/01/2024	03/31/2025
30506758	A2	/A3	MU	New York	NY	31,200,000.00	15,112,129.97	2,404,559.97	01/01/2025	03/31/2025
30505245	A-2-1		LO	Houston	TX	19,827,898.21	9,714,006.36	13,321,412.67	01/01/2025	06/30/2025
30319203	A-2-4		OF	New York	NY	30,000,000.00	103,878,419.02	25,982,937.76	01/01/2025	03/31/2025
30506584	A-4-3		OF	New York	NY	30,000,000.00	103,878,419.02	25,982,937.76	01/01/2025	03/31/2025
Total	Count = 61					1,560,240,136.04	2,133,834,161.10	1,721,767,576.69


Reports Available at sf.citidirect.com	v. 21.09.28	Page 21 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

DELINQUENCY LOAN DETAIL

September 17, 2025

Actual

Paid

Current P&I

Total P&I

Cumulative

Other Expense

Payment Workout

Most Recent

Principal

Through

Advances

Accrued Unpaid

Advances

Status

Strategy

Special Serv

Foreclosure

Bankruptcy

REO

Loan ID

OMCR

Balance

Date

(Net of ASER)

Outstanding

Interest Advances

Outstanding

)

Transfer Date

Date

30530114

34,100,000.00

08/06/2025

94,610.45

70,875.25

11/24/2024

30506749

3,300,000.00

08/06/2025

11,167.75

11,160.65

36.88

3,000.00

Total

Count = 2

37,400,000.00

105,778.20

82,035.90

36.88

3,000.00


Reports Available at sf.citidirect.com	v. 21.09.28	Page 22 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

COLLATERAL PERFORMANCE - DELINQUENCY AND LOAN STATUS DETAIL

September 17, 2025


–




							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
09/17/2025
	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
08/15/2025
	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
07/17/2025
	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
06/17/2025
	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
05/16/2025
	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
04/17/2025
	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
03/17/2025
	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
02/18/2025
	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
01/17/2025
	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
12/17/2024
	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
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	%


Reports Available at sf.citidirect.com	v. 21.09.28	Page 23 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

APPRAISAL REDUCTION DETAIL

September 17, 2025


				Beginning	Ending	Appraisal	Appraisal	Most Recent	Cumulative
Loan ID	OMCR		Property Name	Scheduled Balance	Scheduled Balance	Reduction Amount	Reduction Date	ASER Amount	ASER Amount

30530114	18	A5	Selig Office Portfolio	34,100,000.00	34,100,000.00	8,525,000.00	08/06/2025	-	23,625.09


Reports Available at sf.citidirect.com	v. 21.09.28	Page 24 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

HISTORICAL APPRAISAL REDUCTION DETAIL

September 17, 2025


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

9/17/2025	30530114	18	A5	Selig Office Portfolio	34,100,000.00	34,100,000.00	8,525,000.00	08/06/2025	-	23,625.09
8/15/2025	30530114	18	A5	Selig Office Portfolio	34,100,000.00	34,100,000.00	8,525,000.00	08/06/2025	23,625.09	23,625.09


Reports Available at sf.citidirect.com	v. 21.09.28	Page 25 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

LOAN MODIFICATION DETAIL

September 17, 2025


					Modification	Modification
Loan ID		OMCR		Property Name	Date	Code (4)

30506755		11		First Central Tower	09/19/2022	8
30530114		18	A5	Selig Office Portfolio	07/18/2025	8
Total	Count = 2


Reports Available at sf.citidirect.com	v. 21.09.28	Page 26 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

HISTORICAL LOAN MODIFICATION DETAIL

September 17, 2025


Distribution					Modification	Modification
Date	Loan ID	OMCR		Property Name	Date	Code (4)

09/17/2025	30506755	11		First Central Tower	09/19/2022	8
09/17/2025	30530114	18	A5	Selig Office Portfolio	07/18/2025	8
08/15/2025	30506755	11		First Central Tower	09/19/2022	8
08/15/2025	30530114	18	A5	Selig Office Portfolio	07/18/2025	8
07/17/2025	30506755	11		First Central Tower	09/19/2022	8
06/17/2025	30506755	11		First Central Tower	09/19/2022	8
05/16/2025	30506755	11		First Central Tower	09/19/2022	8
04/17/2025	30506755	11		First Central Tower	09/19/2022	8
03/17/2025	30506755	11		First Central Tower	09/19/2022	8
02/18/2025	30506755	11		First Central Tower	09/19/2022	8
01/17/2025	30506755	11		First Central Tower	09/19/2022	8
12/17/2024	30506755	11		First Central Tower	09/19/2022	8
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


Reports Available at sf.citidirect.com	v. 21.09.28	Page 27 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

HISTORICAL LOAN MODIFICATION DETAIL

September 17, 2025


Distribution					Modification	Modification
Date	Loan ID	OMCR		Property Name	Date	Code (4)

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


Reports Available at sf.citidirect.com	v. 21.09.28	Page 28 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

SPECIALLY SERVICED LOAN DETAIL

September 17, 2025


				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

30530114	18	A5	1	(14,445.14	)	34,100,000.00	34,100,000.00	741,000,000.00		11/24/2024


Reports Available at sf.citidirect.com	v. 21.09.28	Page 29 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

HISTORICAL SPECIALLY SERVICED LOANS

September 17, 2025


					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

09/17/2025	30530114	18	A5	1	(14,445.14	)	34,100,000.00	34,100,000.00	741,000,000.00		11/24/2024
08/15/2025	30530114	18	A5	1	7,340.97		34,100,000.00	34,100,000.00	741,000,000.00		11/24/2024
07/17/2025	30530114	18	A5	1	(31,021.52	)	34,100,000.00	34,100,000.00	741,000,000.00		11/24/2024
06/17/2025	30530114	18	A5	1	7,340.97		34,100,000.00	34,100,000.00	741,000,000.00		11/24/2024
05/16/2025	30530114	18	A5	1	7,104.17		34,100,000.00	34,100,000.00	741,000,000.00		11/24/2024
04/17/2025	30530114	18	A5	1	7,340.97		34,100,000.00	34,100,000.00	741,000,000.00		11/24/2024
03/17/2025	30530114	18	A5	1	6,630.56		34,100,000.00	34,100,000.00	741,000,000.00		11/24/2024
02/18/2025	30530114	18	A5	1	7,340.97		34,100,000.00	34,100,000.00	741,000,000.00		11/24/2024
01/17/2025	30530114	18	A5	1	7,340.97		34,100,000.00	34,100,000.00	741,000,000.00		11/24/2024
12/17/2024	30530114	18	A5	98	2,604.86		34,100,000.00	34,100,000.00	741,000,000.00		11/24/2024


Reports Available at sf.citidirect.com	v. 21.09.28	Page 30 of 36	© Copyright 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

UNSCHEDULED PRINCIPAL DETAIL

September 17, 2025


		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 2025 Citigroup

Benchmark 2021-B23 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B23

HISTORICAL UNSCHEDULED PRINCIPAL DETAIL


September 17, 2025




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

No Loans with Unscheduled Principal Activity to Report.


Reports Available at sf.citidirect.com	v. 21.09.28	Page 32 of 36	© Copyright 2025 Citigroup


Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23										September 17, 2025
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 2025 Citigroup


Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23										September 17, 2025
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.




Reports Available at sf.citidirect.com		v. 21.09.28				Page 34 of 36				© Copyright 2025 Citigroup


Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23					September 17, 2025

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 2025 Citigroup


Benchmark 2021-B23 Mortgage Trust
Commercial Mortgage Pass-Through Certificates, Series 2021-B23			September 17, 2025
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 2025 Citigroup

BENCHMARK 2021-B23 MORTGAGE TRUST 10-D