Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

STATEMENT TO NOTEHOLDERS

September 17, 2025


TRANSACTION PARTIES


Depositor:	Citigroup Commercial Mortgage Securities Inc.
Master Servicer / Special 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
Certificate Administrator:	Citibank, N.A.
Special Servicers:	K-Star Asset Management LLC




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	3
2	.	Distribution Detail	4
2.1	.	Interest Detail	4
2.2	.	Interest Shortfall Detail	5
2.3	.	Principal Detail	6
3	.	Reconciliation Detail	7
4	.	Other Information	8
5	.	Stratification Detail	9
6	.	Mortgage Loan Detail	14
7	.	NOI Detail	16
8	.	Delinquency Loan Detail	18
9	.	Collateral Performance Delinquency and Loan Status Detail	19
10	.	Appraisal Reduction Detail	20
11	.	Historical Appraisal Reduction Detail	21
12	.	Loan Modification Detail	22
13	.	Historical Loan Modification Detail	23
14	.	Specially Serviced Loan Detail	24
15	.	Historical Specially Serviced Loan Detail	25
16	.	Unscheduled Principal Detail	27
17	.	Historical Unscheduled Principal Detail	28
18	.	Liquidated Loan Detail	29
19	.	Historical Liquidated Loan Detail	30
20	.	CREFC Investor Reporting Package Legends	31
21	.	Notes	32


Reports Available at sf.citidirect.com	v. 21.09.28	Page 1 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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	18,655,000.00	-	0.725000	%	30/360	-	-	-	-	-	-		-
A-2	37,990,000.00	28,537,518.02	2.020000	%	30/360	48,038.16	-	375,269.96	423,308.12	-	-		28,162,248.06
A-3	83,071,000.00	83,071,000.00	1.792000	%	30/360	124,052.69	-	-	124,052.69	-	-		83,071,000.00
A-4	175,000,000.00	175,000,000.00	2.103000	%	30/360	306,687.50	-	-	306,687.50	-	-		175,000,000.00
A-5	396,379,000.00	396,379,000.00	2.390000	%	30/360	789,454.84	-	-	789,454.84	-	-		396,379,000.00
A-AB	26,294,000.00	26,294,000.00	2.163000	%	30/360	47,394.93	-	-	47,394.93	-	-		26,294,000.00
A-S	71,105,000.00	71,105,000.00	2.512000	%	30/360	148,846.47	-	-	148,846.47	-	-		71,105,000.00
B	42,136,000.00	42,136,000.00	2.355000	%	30/360	82,691.90	-	-	82,691.90	-	-		42,136,000.00
C	48,721,000.00	48,721,000.00	2.703000	%	30/360	109,744.05	-	-	109,744.05	-	-		48,721,000.00
COMB_VRR	40,500,000.00	39,419,366.79	0.000000	%	30/360	117,448.16	-	14,427.80	131,875.96	-	-		39,404,938.99
D	35,553,000.00	35,553,000.00	2.000000	%	30/360	59,255.00	-	-	59,255.00	-	-		35,553,000.00
E	28,968,000.00	28,968,000.00	2.000000	%	30/360	48,280.00	-	-	48,280.00	-	-		28,968,000.00
F	15,802,000.00	15,802,000.00	2.250000	%	30/360	29,628.75	-	-	29,628.75	-	-		15,802,000.00
G	14,484,000.00	14,484,000.00	2.250000	%	30/360	27,157.50	-	-	27,157.50	-	-		14,484,000.00
J-RR	11,851,000.00	11,851,000.00	3.600992	%	30/360	35,562.80	-	-	35,562.80	-	-		11,851,000.00
K-RR	47,403,985.00	47,403,985.00	3.600992	%	30/360	120,336.54	-	-	120,336.54	-	-		47,403,985.00
R	-	-	0.000000	%	30/360	-	-	-	-	-	-		-
S	-	-	0.000000	%	30/360	-	-	-	-	-	-		-
Total	1,093,912,985	1,064,724,870				2,094,579.29	-	389,697.76	2,484,277.05	-	-		1,064,335,172
Notional
X-A	808,494,000.00	780,386,518.02	1.349070	%	30/360	877,330.34	-	-	877,330.34	-	(375,269.96	)	780,011,248.06
X-B	90,857,000.00	90,857,000.00	1.059381	%	30/360	80,210.19	-	-	80,210.19	-	-		90,857,000.00
X-D	64,521,000.00	64,521,000.00	1.600992	%	30/360	86,081.36	-	-	86,081.36	-	-		64,521,000.00
X-F	15,802,000.00	15,802,000.00	1.350992	%	30/360	17,790.32	-	-	17,790.32	-	-		15,802,000.00
X-G	14,484,000.00	14,484,000.00	1.350992	%	30/360	16,306.48	-	-	16,306.48	-	-		14,484,000.00
Total	994,158,000.00	966,050,518.02				1,077,718.69	-	-	1,077,718.69	-	(375,269.96	)	965,675,248.06

Grand Total	2,088,070,985	2,030,775,388				3,172,297.98	-	389,697.76	3,561,995.74	-	(375,269.96	)	2,030,010,420


Reports Available at sf.citidirect.com	v. 21.09.28	Page 2 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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	08163	HAA6	08/29/2025	-	-	-	-	-	-	-
A-2	08163	HAB4	08/29/2025	1.26449487	-	9.87812477	11.14261964	-	-	741.30687181
A-3	08163	HAC2	08/29/2025	1.49333329	-	-	1.49333329	-	-	1,000.00000000
A-4	08163	HAD0	08/29/2025	1.75250000	-	-	1.75250000	-	-	1,000.00000000
A-5	08163	HAE8	08/29/2025	1.99166666	-	-	1.99166666	-	-	1,000.00000000
A-AB	08163	HAF5	08/29/2025	1.80249981	-	-	1.80249981	-	-	1,000.00000000
A-S	08163	HAH1	08/29/2025	2.09333338	-	-	2.09333338	-	-	1,000.00000000
B	08163	HAJ7	08/29/2025	1.96250000	-	-	1.96250000	-	-	1,000.00000000
C	08163	HAK4	08/29/2025	2.25249995	-	-	2.25249995	-	-	1,000.00000000
COMB_VRR	08163	HBM9	08/29/2025	2.89995457	-	0.35624198	3.25619654	-	-	972.96145654
D	08163HAU2 U0811FAE2 08163HAV0		08/29/2025	1.66666667	-	-	1.66666667	-	-	1,000.00000000
E	08163HAW8 U0811FAF9 08163HAX6		08/29/2025	1.66666667	-	-	1.66666667	-	-	1,000.00000000
F	08163HAY4 U0811FAG7 08163HAZ1		08/29/2025	1.87500000	-	-	1.87500000	-	-	1,000.00000000
G	08163HBA5 U0811FAH5 08163HBB3		08/29/2025	1.87500000	-	-	1.87500000	-	-	1,000.00000000
J-RR	08163	HBD9	08/29/2025	3.00082693	-	-	3.00082693	-	-	1,000.00000000
K-RR	08163	HBF4	08/29/2025	2.53853215	-	-	2.53853215	-	-	1,000.00000000
R	08163	HBJ6	08/29/2025	-	-	-	-	-	-	-
S	08163	HBH0	08/29/2025	-	-	-	-	-	-	-
X-A	08163	HAG3	08/29/2025	1.08514144	-	-	1.08514144	-	-	964.77060814
X-B	08163HAL2 U0811FAA0 08163HAM0		08/29/2025	0.88281794	-	-	0.88281794	-	-	1,000.00000000
X-D	08163HAN8 U0811FAB8 08163HAP3		08/29/2025	1.33416035	-	-	1.33416035	-	-	1,000.00000000
X-F	08163HAQ1 U0811FAC6 08163HAR9		08/29/2025	1.12582711	-	-	1.12582711	-	-	1,000.00000000
X-G	08163HAS7 U0811FAD4 08163HAT5		08/29/2025	1.12582712	-	-	1.12582712	-	-	1,000.00000000


Reports Available at sf.citidirect.com	v. 21.09.28	Page 3 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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	0.72500	%	0.72500	%	0.72500	%	08/01-08/31	-	-	-	-	-	-	-	-	-
A-2	2.02000	%	2.02000	%	2.02000	%	08/01-08/31	48,038.16	-	-	-	-	48,038.16	-	-	48,038.16
A-3	1.79200	%	1.79200	%	1.79200	%	08/01-08/31	124,052.69	-	-	-	-	124,052.69	-	-	124,052.69
A-4	2.10300	%	2.10300	%	2.10300	%	08/01-08/31	306,687.50	-	-	-	-	306,687.50	-	-	306,687.50
A-5	2.39000	%	2.39000	%	2.39000	%	08/01-08/31	789,454.84	-	-	-	-	789,454.84	-	-	789,454.84
A-AB	2.16300	%	2.16300	%	2.16300	%	08/01-08/31	47,394.93	-	-	-	-	47,394.93	-	-	47,394.93
A-S	2.51200	%	2.51200	%	2.51200	%	08/01-08/31	148,846.47	-	-	-	-	148,846.47	-	-	148,846.47
B	2.35500	%	2.35500	%	2.35500	%	08/01-08/31	82,691.90	-	-	-	-	82,691.90	-	-	82,691.90
C	0.00000	%	2.70300	%	2.70300	%	08/01-08/31	109,744.05	-	-	-	-	109,744.05	-	-	109,744.05
COMB_VRR	0.00000	%	0.00000	%	0.00000	%	08/01-08/31	117,448.16	-	-	-	-	117,448.16	-	-	117,448.16
D	2.00000	%	2.00000	%	2.00000	%	08/01-08/31	59,255.00	-	-	-	-	59,255.00	-	-	59,255.00
E	2.00000	%	2.00000	%	2.00000	%	08/01-08/31	48,280.00	-	-	-	-	48,280.00	-	-	48,280.00
F	2.25000	%	2.25000	%	2.25000	%	08/01-08/31	29,628.75	-	-	-	-	29,628.75	-	-	29,628.75
G	2.25000	%	2.25000	%	2.25000	%	08/01-08/31	27,157.50	-	-	-	-	27,157.50	-	-	27,157.50
J-RR	0.00000	%	3.60099	%	3.60099	%	08/01-08/31	35,562.80	-	-	-	-	35,562.80	-	-	35,562.80
K-RR	0.00000	%	3.60099	%	3.60099	%	08/01-08/31	142,251.16	-	-	22,140.31	-	120,336.54	-	-	120,336.54
R	0.00000	%	0.00000	%	0.00000	%	08/01-08/31	-	-	-	-	-	-	-	-	-
S	0.00000	%	0.00000	%	0.00000	%	08/01-08/31	-	-	-	-	-	-	-	-	-
Total								2,116,493.91	-	-	22,140.31	-	2,094,579.29	-	-	2,094,579.29
Notional
X-A	0.00000	%	1.34907	%	1.34907	%	08/01-08/31	877,330.34	-	-	-	-	877,330.34	-	-	877,330.34
X-B	0.00000	%	1.05938	%	1.05938	%	08/01-08/31	80,210.19	-	-	-	-	80,210.19	-	-	80,210.19
X-D	0.00000	%	1.60099	%	1.60099	%	08/01-08/31	86,081.36	-	-	-	-	86,081.36	-	-	86,081.36
X-F	0.00000	%	1.35099	%	1.35099	%	08/01-08/31	17,790.32	-	-	-	-	17,790.32	-	-	17,790.32
X-G	0.00000	%	1.35099	%	1.35099	%	08/01-08/31	16,306.48	-	-	-	-	16,306.48	-	-	16,306.48
Total								1,077,718.69	-	-	-	-	1,077,718.69	-	-	1,077,718.69

Grand Total								3,194,212.60	-	-	22,140.31	-	3,172,297.98	-	-	3,172,297.98


Reports Available at sf.citidirect.com	v. 21.09.28	Page 4 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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

A-1	-	-	-	-	-	-	-	-	-	-	-	-	-
A-2	-	-	-	-	-	-	-	-	-	-	-	-	-
A-3	-	-	-	-	-	-	-	-	-	-	-	-	-
A-4	-	-	-	-	-	-	-	-	-	-	-	-	-
A-5	-	-	-	-	-	-	-	-	-	-	-	-	-
A-AB	-	-	-	-	-	-	-	-	-	-	-	-	-
A-S	-	-	-	-	-	-	-	-	-	-	-	-	-
B	-	-	-	-	-	-	-	-	-	-	-	-	-
C	-	-	-	-	-	-	-	-	-	-	-	-	-
COMB_VRR	-	-	-	-	-	-	-	-	-	-	-	-	-
D	-	-	-	-	-	-	-	-	-	-	-	-	-
E	-	-	-	-	-	-	-	-	-	-	-	-	-
F	-	-	-	-	-	-	-	-	-	-	-	-	-
G	-	-	-	-	-	-	-	-	-	-	-	-	-
J-RR	-	-	-	-	-	-	-	-	-	-	-	-	-
K-RR	-	-	-	75,208.33	225.69	21,914.62	-	97,348.64	-	-	-	-	-
R	-	-	-	-	-	-	-	-	-	-	-	-	-
S	-	-	-	-	-	-	-	-	-	-	-	-	-
Total	-	-	-	75,208.33	225.69	21,914.62	-	97,348.64	-	-	-	-	-
Notional
X-A	-	-	-	-	-	-	-	-	-	-	-	-	-
X-B	-	-	-	-	-	-	-	-	-	-	-	-	-
X-D	-	-	-	-	-	-	-	-	-	-	-	-	-
X-F	-	-	-	-	-	-	-	-	-	-	-	-	-
X-G	-	-	-	-	-	-	-	-	-	-	-	-	-
Total	-	-	-	-	-	-	-	-	-	-	-	-	-

Grand Total	-	-	-	75,208.33	225.69	21,914.62	-	97,348.64	-	-	-	-	-


Reports Available at sf.citidirect.com	v. 21.09.28	Page 5 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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	-	-	-	-	-	-	-	1.71	%	0.00	%	30.00	%	30.83	%
A-2	28,537,518.02	375,269.96	-	-	-	28,162,248.06	-	3.47	%	2.65	%	30.00	%	30.83	%
A-3	83,071,000.00	-	-	-	-	83,071,000.00	-	7.59	%	7.80	%	30.00	%	30.83	%
A-4	175,000,000.00	-	-	-	-	175,000,000.00	-	16.00	%	16.44	%	30.00	%	30.83	%
A-5	396,379,000.00	-	-	-	-	396,379,000.00	-	36.24	%	37.24	%	30.00	%	30.83	%
A-AB	26,294,000.00	-	-	-	-	26,294,000.00	-	2.40	%	2.47	%	30.00	%	30.83	%
A-S	71,105,000.00	-	-	-	-	71,105,000.00	-	6.50	%	6.68	%	23.25	%	23.90	%
B	42,136,000.00	-	-	-	-	42,136,000.00	-	3.85	%	3.96	%	19.25	%	19.79	%
C	48,721,000.00	-	-	-	-	48,721,000.00	-	4.45	%	4.58	%	14.63	%	15.03	%
COMB_VRR	39,419,366.79	14,427.80	-	-	-	39,404,938.99	-	3.70	%	3.70	%	0.00	%	0.00	%
D	35,553,000.00	-	-	-	-	35,553,000.00	-	3.25	%	3.34	%	11.25	%	11.56	%
E	28,968,000.00	-	-	-	-	28,968,000.00	-	2.65	%	2.72	%	8.50	%	8.74	%
F	15,802,000.00	-	-	-	-	15,802,000.00	-	1.44	%	1.48	%	7.00	%	7.19	%
G	14,484,000.00	-	-	-	-	14,484,000.00	-	1.32	%	1.36	%	5.63	%	5.78	%
J-RR	11,851,000.00	-	-	-	-	11,851,000.00	-	1.08	%	1.11	%	4.50	%	4.63	%
K-RR	47,403,985.00	-	-	-	-	47,403,985.00	-	4.33	%	4.45	%	0.00	%	0.00	%
R	-	-	-	-	-	-	-	0.00	%	0.00	%	0.00	%	0.00	%
S	-	-	-	-	-	-	-	0.00	%	0.00	%	0.00	%	0.00	%

Total	1,064,724,869.81	389,697.76	-	-	-	1,064,335,172.05	-	99.98	%	100.00	%


Reports Available at sf.citidirect.com	v. 21.09.28	Page 6 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

RECONCILIATION DETAIL

September 17, 2025


SOURCE OF FUNDS				ALLOCATION OF FUNDS

Interest Funds Available				Scheduled Fees
Scheduled Interest	3,209,452.75			Servicing Fee	5,045.83
Prepayment Interest Excess	-			Trustee/Certificate Administrator Fee	7,518.14
Prepayment Interest Shortfall	-			Operating Advisor Fee	1,164.34
Interest Adjustments	-			Asset Representations Reviewer Ongoing Fee	210.87
ASER Amount	(22,193.73	)		CREFC Intellectual Property Royalty License Fee	458.45
Realized Loss in Excess of Principal Balance	-
				Total Scheduled Fees			14,397.63
Total Interest Funds Available			3,187,259.02	Additional Fees, Expenses, etc.
Principal Funds Available				Additional Servicing Fee	-
Scheduled Principal	389,697.76			Special Servicing Fee	(818.81	)
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	1,382.22
				Borrower Reimbursable Trust Fund Expenses	-
Total Principal Funds Available			389,697.76
				Other Expenses	-
Other Funds Available
Yield Maintenance Charges	-			Total Additional Fees, Expenses, etc.			563.41
Initial Interest Deposit Amount	-			Distributions
Deposit of Withheld Amounts to the Interest Reserve Account	-			Interest Distribution	3,172,297.98
				Principal Distribution	389,697.76
Total Other Funds Available			-
				Yield Maintenance Charge Distribution	-
				Total Distributions			3,561,995.74




Total Funds Available			3,576,956.78
				Total Funds Allocated			3,576,956.78


Reports Available at sf.citidirect.com	v. 21.09.28	Page 7 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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	97.296146	%
Controlling Class Information
The Controlling Class Representative is KKR Real Estate Credit Opportunity Partners II L.P.,
There Are No Disclosable Special Servicer Fees.


Reports Available at sf.citidirect.com	v. 21.09.28	Page 8 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

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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	15	271,731,408.97	25.53	3.0996	44	2.489454
61 to 90 Months	38	792,603,763.08	74.47	3.6379	69	2.213585
91 Months or Greater	0	0.00	0.00	0.0000	0	0.000000
Total	53	1,064,335,172.05	100.00	3.5005	62	2.284016

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	6	144,732,350.48	13.60	3.9396	69	0.484386
1.251 to 1.500	2	21,160,565.35	1.99	3.6999	69	1.446055
1.501 to 1.750	3	51,201,504.17	4.81	3.8692	69	1.586730
1.751 to 2.000	7	100,121,720.37	9.41	3.8571	60	1.901165
2.001 to 2.250	8	178,328,090.59	16.75	3.5757	67	2.156642
2.251 to 2.500	4	153,415,030.00	14.41	3.1221	50	2.360843
2.501 to 2.750	12	245,595,911.09	23.08	3.3145	59	2.605545
2.751 to 3.000	2	34,500,000.00	3.24	3.1709	69	2.865652
3.001 to 3.250	1	9,000,000.00	0.85	3.9700	68	3.250000
3.251 to 3.500	1	14,900,000.00	1.40	3.1700	69	3.300000
3.501 to 3.750	1	14,815,000.00	1.39	3.7100	69	3.740000
3.751 to 4.000	1	4,600,000.00	0.43	3.7000	33	3.920000
4.001 or Greater	5	91,965,000.00	8.64	3.2393	67	4.580517
Total	53	1,064,335,172.05	100.00	3.5005	62	2.284016


Reports Available at sf.citidirect.com	v. 21.09.28	Page 9 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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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	19,198,235.54	1.80	3.9527	52	2.858495
10,000,001 to 15,000,000	12	154,848,212.48	14.55	3.6844	56	2.876021
15,000,001 to 20,000,000	8	146,066,031.22	13.72	3.4585	63	2.433597
20,000,001 to 25,000,000	0	0.00	0.00	0.0000	0	0.000000
25,000,001 to 30,000,000	5	139,960,000.00	13.15	3.4620	68	1.442775
30,000,001 to 35,000,000	2	63,200,000.00	5.94	3.7113	69	2.220728
35,000,001 to 40,000,000	3	114,560,553.61	10.76	3.2193	64	2.094539
40,000,001 to 45,000,000	1	45,000,000.00	4.23	3.1000	69	4.820000
45,000,001 to 50,000,000	2	100,000,000.00	9.40	3.5817	69	2.525000
5,000,001 to 10,000,000	12	89,426,166.36	8.40	3.7271	62	1.893340
50,000,001 to 55,000,000	0	0.00	0.00	0.0000	0	0.000000
55,000,001 to 60,000,000	1	57,966,942.84	5.45	4.5500	70	0.950000
60,000,001 to 65,000,000	0	0.00	0.00	0.0000	0	0.000000
65,000,001 to 70,000,000	2	134,109,030.00	12.60	2.9190	50	2.231415
70,000,001 to 75,000,000	0	0.00	0.00	0.0000	0	0.000000
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+	0	0.00	0.00	0.0000	0	0.000000
Total	53	1,064,335,172.05	100.00	3.5005	62	2.284016


Reports Available at sf.citidirect.com	v. 21.09.28	Page 10 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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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	42	907,818,277.81	85.29	3.3515	62	2.387141
4.01 to 4.25	5	31,780,580.91	2.99	4.1001	42	1.800678
4.26 to 4.50	5	66,769,370.49	6.27	4.3289	64	2.270100
4.51 to 4.75	1	57,966,942.84	5.45	4.5500	70	0.950000
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	53	1,064,335,172.05	100.00	3.5005	62	2.284016

Property Type

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

Industrial	7	179,364,222.07	16.85	3.2327	47	2.355492
Lodging	3	42,617,536.98	4.00	3.9536	60	2.969256
Mixed Use	3	32,993,679.18	3.10	3.7473	69	1.916813
Multifamily	4	66,560,000.00	6.25	3.7178	69	2.223902
Office	20	507,513,489.94	47.68	3.4406	65	2.149488
Other	2	63,200,000.00	5.94	3.7113	69	2.220728
Retail	9	103,631,275.80	9.74	3.8844	61	2.453438
Self Storage	4	63,375,553.61	5.95	3.1934	67	2.777406
Total	53	1,064,335,172.05	100.00	3.5005	62	2.284016


Reports Available at sf.citidirect.com	v. 21.09.28	Page 11 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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	36	807,179,405.00	75.84	3.3960	62	2.449140
241 to 270 Months	2	50,229,924.10	4.72	3.1616	65	2.107523
271 to 300 Months	0	0.00	0.00	0.0000	0	0.000000
301 Months or Greater	15	206,925,842.95	19.44	3.9901	61	1.682742
Total	53	1,064,335,172.05	100.00	3.5005	62	2.284016

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	53	1,064,335,172.05	100.00	3.5005	62	2.284016
Total	53	1,064,335,172.05	100.00	3.5005	62	2.284016


Reports Available at sf.citidirect.com	v. 21.09.28	Page 12 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

STRATIFICATION DETAIL

September 17, 2025


State

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

Alabama	2	72,636,313.33	6.82	4.4995	66	1.192348
California	13	246,143,679.18	23.13	3.2908	65	2.304604
Connecticut	1	5,066,886.17	0.48	3.8900	69	1.370000
Georgia	1	3,679,375.00	0.35	3.9400	69	2.570000
Illinois	2	18,965,000.00	1.78	3.7844	69	3.284846
Michigan	1	4,000,000.00	0.38	3.9900	32	4.260000
N/A	5	144,669,583.61	13.59	3.0630	51	2.240792
Nevada	1	10,465,000.00	0.98	3.0500	70	4.080000
New Jersey	2	18,632,305.90	1.75	4.0314	14	2.391173
New Mexico	1	5,079,414.47	0.48	4.0610	69	1.800000
New York	12	331,748,888.13	31.17	3.5885	66	2.421204
Ohio	1	9,556,000.00	0.90	3.4300	33	2.470000
Oregon	2	11,583,055.60	1.09	3.7563	69	-0.766533
South Carolina	2	17,948,166.49	1.69	3.9102	61	2.656718
Tennessee	2	58,051,504.17	5.45	3.5329	69	2.542982
Texas	2	26,000,000.00	2.44	3.6524	69	2.975538
Washington	2	51,900,000.00	4.88	3.0048	55	2.610000
West Virginia	1	28,210,000.00	2.65	3.6570	70	1.230000
Total	53	1,064,335,172.05	100.00	3.5005	62	2.284016


Reports Available at sf.citidirect.com	v. 21.09.28	Page 13 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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	)

30507306	10		SS			09/01/2025	2.69200	%	82,671.98	102,958.71	35,663,512.32	35,560,553.61	07/01/2031	0		0		0
30507210	11		OF	New York	NY	09/06/2025	3.92000	%	131,646.67	-	39,000,000.00	39,000,000.00	06/06/2031	0		0		0
30507332	12		N/A	Culver City	CA	06/06/2025	3.74000	%	106,278.33	-	33,000,000.00	33,000,000.00	06/06/2031	2		2		0
30507323	13		N/A	New York	NY	09/06/2025	3.68000	%	95,700.44	-	30,200,000.00	30,200,000.00	06/06/2031	0		0		0
30530139	14		OF	Manhattan Beach	CA	09/06/2025	3.14400	%	81,220.00	-	30,000,000.00	30,000,000.00	05/06/2031	0		0		0
30506942	15		OF	Charleston	WV	07/01/2025	3.65700	%	88,835.64	-	28,210,000.00	28,210,000.00	07/01/2031	1		2		0
30319809	16	A2	IN	Hopewell Junction	NY	09/06/2025	3.80000	%	91,622.22	-	28,000,000.00	28,000,000.00	05/06/2031	0		8		8
30507244	17		OF	Bakersfield	CA	09/06/2025	3.04000	%	73,297.78	-	28,000,000.00	28,000,000.00	06/06/2031	0		0		0
30507253	18		RT	Brooklyn	NY	09/06/2025	3.71000	%	82,264.10	-	25,750,000.00	25,750,000.00	06/06/2031	0		0		0
30530156	19		LO	San Diego	CA	09/06/2025	3.73500	%	61,108.75	-	19,000,000.00	19,000,000.00	06/06/2031	0		0		0
30319801	1	-C-4	OF	Burlingame	CA	09/06/2025	3.01680	%	51,956.00	-	20,000,000.00	20,000,000.00	01/06/2033	0		0		0
30319802	1	-C-5	OF	Burlingame	CA	09/06/2025	3.01680	%	51,956.00	-	20,000,000.00	20,000,000.00	01/06/2033	0		0		0
30530131	20	A2	OF	New Hyde Park	NY	09/06/2025	3.85600	%	56,456.48	30,336.45	17,002,688.49	16,972,352.04	04/06/2031	0		0		0
30507341	21		MU	Temecula	CA	08/06/2025	3.64000	%	50,536.96	29,419.84	16,123,099.02	16,093,679.18	07/06/2031	B		0		0
30319810	22	A2	LO	Daphne	AL	09/06/2025	4.30000	%	54,458.54	38,113.53	14,707,484.02	14,669,370.49	02/06/2030	0		0		0
30507259	23		OF	San Antonio	TX	09/06/2025	3.17000	%	40,672.86	-	14,900,000.00	14,900,000.00	06/06/2031	0		0		0
30507246	24		SS	Romeoville	IL	09/06/2025	3.71000	%	47,329.81	-	14,815,000.00	14,815,000.00	06/06/2031	0		0		0
30507152	25		IN	Passaic	NJ	09/06/2025	4.14000	%	50,094.96	19,577.39	14,051,883.29	14,032,305.90	05/06/2026	0		0		0
30530152	27		OF	Sunnyvale	CA	09/06/2025	2.93000	%	34,061.25	-	13,500,000.00	13,500,000.00	06/06/2031	0		0		0
30507299	28		RT	Bronx	NY	09/01/2025	3.55400	%	36,537.27	22,231.11	11,938,767.20	11,916,536.09	06/01/2026	0		0		0
30507330	29		OF	Carson	CA	09/06/2025	3.61000	%	37,769.63	-	12,150,000.00	12,150,000.00	06/06/2031	0		0		0
30319803	2	-C-3	OF	Burlingame	CA	09/06/2025	3.01680	%	41,564.80	-	16,000,000.00	16,000,000.00	01/06/2033	0		0		0
30319804	2	-C-4	OF	Burlingame	CA	09/06/2025	3.01680	%	25,978.00	-	10,000,000.00	10,000,000.00	01/06/2033	0		0		0
30507307	30		OF	Sugar Land	TX	09/01/2025	4.30000	%	41,100.83	-	11,100,000.00	11,100,000.00	07/01/2031	0		0		0
30319811	31		RT	Las Vegas	NV	09/11/2025	3.05000	%	27,485.16	-	10,465,000.00	10,465,000.00	06/11/2031	0		0		0
30507252	32		MU	Pomona	CA	09/06/2025	3.92100	%	35,114.73	-	10,400,000.00	10,400,000.00	06/06/2031	0		0		0
30319812	33		LO	Florence	SC	09/06/2025	3.85000	%	29,722.54	17,158.28	8,965,324.77	8,948,166.49	03/06/2030	0		0		0
30530149	34		OF	Portland	OR	09/06/2025	3.62000	%	27,526.47	16,254.79	8,830,449.85	8,814,195.06	06/06/2031	0		0		0
30507266	35		IN	Fairborn	OH	09/06/2025	3.43000	%	28,224.71	-	9,556,000.00	9,556,000.00	06/06/2028	0		0		0
30319813	36		SS	Bluffton	SC	09/06/2025	3.97000	%	30,767.50	-	9,000,000.00	9,000,000.00	05/06/2031	0		0		0
30319814	37		RT	Fairview	TN	09/06/2025	3.53000	%	24,515.04	13,390.60	8,064,894.77	8,051,504.17	06/06/2031	0		0		0
30319815	38		MF	Brooklyn	NY	09/06/2025	3.90000	%	22,366.50	-	6,660,000.00	6,660,000.00	06/06/2031	0		0		0


Reports Available at sf.citidirect.com	v. 21.09.28	Page 14 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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	)

30530151	39		MU	New York	NY	09/06/2025	3.73500	%	20,905.63	-	6,500,000.00	6,500,000.00	06/06/2031	0		0		0
30319807	3	A2	OF	New York	NY	09/11/2025	3.36818	%	191,425.00	-	66,000,000.00	66,000,000.00	06/11/2031	0		0		0
30507068	3	-C-3	OF	Burlingame	CA	09/06/2025	3.01680	%	46,760.40	-	18,000,000.00	18,000,000.00	01/06/2033	0		0		0
30507319	40		MF	Bronx	NY	09/06/2025	4.03000	%	19,954.10	-	5,750,000.00	5,750,000.00	06/06/2031	0		0		0
30507410	41		MH		NM	09/06/2025	4.06100	%	17,792.85	8,658.78	5,088,073.25	5,079,414.47	06/06/2031	0		0		0
30507255	42		IN	Guilford	CT	09/06/2025	3.89000	%	17,002.50	8,907.75	5,075,793.92	5,066,886.17	06/06/2031	0		0		0
30507264	43		IN		NJ	09/06/2025	3.70000	%	14,656.11	-	4,600,000.00	4,600,000.00	06/06/2028	0		0		0
30507265	44		MF	Chicago	IL	09/06/2025	4.05000	%	14,473.13	-	4,150,000.00	4,150,000.00	06/06/2031	0		0		0
30507154	45		SS	Romulus	MI	09/06/2025	3.99000	%	13,743.33	-	4,000,000.00	4,000,000.00	05/06/2028	0		0		0
30507327	46		RT	Snellville	GA	09/06/2025	3.94000	%	12,483.30	-	3,679,375.00	3,679,375.00	06/06/2031	0		0		0
30507333	47		RT	Newberg	OR	09/06/2025	4.19000	%	10,005.79	4,318.99	2,773,179.53	2,768,860.54	06/06/2031	0		0		0
30507314	4	A1	OF	Birmingham	AL	09/05/2025	4.55000	%	227,424.77	78,371.54	58,045,314.38	57,966,942.84	07/05/2031	0		1		0
30507035	5	A3	OF	Seattle	WA	09/06/2025	3.00483	%	103,499.80	-	40,000,000.00	40,000,000.00	05/06/2033	0		0		0
30507037	5	A3	OF	Seattle	WA	09/06/2025	3.00483	%	30,791.19	-	11,900,000.00	11,900,000.00	05/06/2033	0		0		0
30507328	6	A1	IN	Cookeville	TN	09/06/2025	3.53333	%	152,129.49	-	50,000,000.00	50,000,000.00	06/06/2031	0		0		0
30507320	7		MF		NY	09/06/2025	3.63000	%	156,291.67	-	50,000,000.00	50,000,000.00	06/06/2031	0		0		0
30530157	8		OF	New York	NY	09/06/2025	3.10000	%	120,125.00	-	45,000,000.00	45,000,000.00	06/06/2031	0		0		0
30319808	9	A1	RT			09/06/2025	4.34700	%	74,865.00	-	20,000,000.00	20,000,000.00	04/06/2036	0		0		0
30319816	9	A2	RT			09/06/2025	4.34700	%	56,148.75	-	15,000,000.00	15,000,000.00	04/06/2036	0		0		0
30319817	9	A3	RT			09/06/2025	4.34700	%	22,459.50	-	6,000,000.00	6,000,000.00	04/06/2036	0		0		0
30319806	A-1	-B	IN			09/09/2025	2.48380	%	145,673.49	-	68,109,030.00	68,109,030.00	04/09/2028	0		0		0
Total	Count = 53								3,209,452.75	389,697.76	1,064,724,869.81	1,064,335,172.05


Reports Available at sf.citidirect.com	v. 21.09.28	Page 15 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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

30507306	10		SS			35,560,553.61	4,094,327.86	4,701,298.44		01/01/2025	06/30/2025
30507210	11		OF	New York	NY	39,000,000.00	2,424,246.14	2,442,325.14		01/01/2025	06/30/2025
30507332	12		N/A	Culver City	CA	33,000,000.00	3,202,651.01	3,202,651.01		Not Available	Not Available
30507323	13		N/A	New York	NY	30,200,000.00	2,373,774.16	2,146,372.23		Not Available	Not Available
30530139	14		OF	Manhattan Beach	CA	30,000,000.00	1,559,567.48	(208,616.00	)	01/01/2025	03/31/2025
30506942	15		OF	Charleston	WV	28,210,000.00	1,856,739.63	1,685,649.80		Not Available	Not Available
30319809	16	A2	IN	Hopewell Junction	NY	28,000,000.00	7,226,076.25	7,176,931.62		Not Available	Not Available
30507244	17		OF	Bakersfield	CA	28,000,000.00	2,688,601.24	2,492,096.12		01/01/2025	06/30/2025
30507253	18		RT	Brooklyn	NY	25,750,000.00	2,320,210.88	2,490,217.76		Not Available	Not Available
30530156	19		LO	San Diego	CA	19,000,000.00	3,517,058.91	3,296,461.05		07/01/2024	06/30/2025
30319801	1	-C-4	OF	Burlingame	CA	20,000,000.00	49,607,786.00	49,678,238.67		Not Available	Not Available
30319802	1	-C-5	OF	Burlingame	CA	20,000,000.00	49,607,786.00	49,678,238.67		Not Available	Not Available
30530131	20	A2	OF	New Hyde Park	NY	16,972,352.04	3,530,484.20	3,663,721.10		Not Available	Not Available
30507341	21		MU	Temecula	CA	16,093,679.18	1,428,051.65	1,511,358.60		01/01/2025	06/30/2025
30319810	22	A2	LO	Daphne	AL	14,669,370.49	4,206,448.56	1,386,971.09		07/01/2024	06/30/2025
30507259	23		OF	San Antonio	TX	14,900,000.00	1,585,152.09	1,699,562.98		01/01/2025	06/30/2025
30507246	24		SS	Romeoville	IL	14,815,000.00	2,036,086.67	2,115,533.91		07/01/2024	06/30/2025
30507152	25		IN	Passaic	NJ	14,032,305.90	1,311,467.26	1,288,276.22		Not Available	Not Available
30530152	27		OF	Sunnyvale	CA	13,500,000.00	2,031,193.00	2,087,340.40		01/01/2025	06/30/2025
30507299	28		RT	Bronx	NY	11,916,536.09	1,870,544.73	1,870,544.73		Not Available	Not Available
30507330	29		OF	Carson	CA	12,150,000.00	1,198,698.22	1,198,698.22		Not Available	Not Available
30319803	2	-C-3	OF	Burlingame	CA	16,000,000.00	49,607,786.00	49,678,238.67		Not Available	Not Available
30319804	2	-C-4	OF	Burlingame	CA	10,000,000.00	49,607,786.00	49,678,238.67		Not Available	Not Available
30507307	30		OF	Sugar Land	TX	11,100,000.00	1,118,229.13	1,181,623.81		Not Available	Not Available
30319811	31		RT	Las Vegas	NV	10,465,000.00	1,517,544.42	1,373,742.65		Not Available	Not Available
30507252	32		MU	Pomona	CA	10,400,000.00	859,101.89	859,101.89		Not Available	Not Available
30319812	33		LO	Florence	SC	8,948,166.49	1,422,270.09	1,293,943.73		Not Available	Not Available
30530149	34		OF	Portland	OR	8,814,195.06	1,059,352.57	878,703.18		01/01/2025	06/30/2025
30507266	35		IN	Fairborn	OH	9,556,000.00	777,637.36	865,886.00		01/01/2025	06/30/2025
30319813	36		SS	Bluffton	SC	9,000,000.00	1,357,113.96	1,184,093.76		01/01/2025	06/30/2025
30319814	37		RT	Fairview	TN	8,051,504.17	815,098.12	815,098.12		Not Available	Not Available
30319815	38		MF	Brooklyn	NY	6,660,000.00	476,533.28	476,533.28		Not Available	Not Available
Reports Available at sf.citidirect.com			v. 21.09.28			Page 16 of 32				© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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

30530151	39		MU	New York	NY	6,500,000.00	696,269.40	732,128.24	Not Available	Not Available
30319807	3	A2	OF	New York	NY	66,000,000.00	17,497,531.93	3,994,592.22	01/01/2025	03/31/2025
30507068	3	-C-3	OF	Burlingame	CA	18,000,000.00	49,607,786.00	49,678,238.67	Not Available	Not Available
30507319	40		MF	Bronx	NY	5,750,000.00	460,605.28	115,641.59	01/01/2025	03/31/2025
30507410	41		MH		NM	5,079,414.47	619,140.85	190,798.37	01/01/2024	12/31/2024
30507255	42		IN	Guilford	CT	5,066,886.17	479,659.23	452,376.13	07/01/2024	06/30/2025
30507264	43		IN		NJ	4,600,000.00	721,424.05	712,103.56	Not Available	Not Available
30507265	44		MF	Chicago	IL	4,150,000.00	282,185.24	283,822.44	01/01/2025	06/30/2025
30507154	45		SS	Romulus	MI	4,000,000.00	693,819.46	694,042.90	07/01/2024	06/30/2025
30507327	46		RT	Snellville	GA	3,679,375.00	385,200.00	385,200.00	Not Available	Not Available
30507333	47		RT	Newberg	OR	2,768,860.54	223,126.58	55,547.72	01/01/2025	03/31/2025
30507314	4	A1	OF	Birmingham	AL	57,966,942.84	6,248,162.65	1,337,762.03	01/01/2025	03/31/2025
30507035	5	A3	OF	Seattle	WA	40,000,000.00	25,585,178.92	7,801,207.16	01/01/2025	03/31/2025
30507037	5	A3	OF	Seattle	WA	11,900,000.00	25,585,178.92	7,801,207.16	01/01/2025	03/31/2025
30507328	6	A1	IN	Cookeville	TN	50,000,000.00	7,350,299.44	7,356,634.30	Not Available	Not Available
30507320	7		MF		NY	50,000,000.00	4,803,730.75	1,101,257.33	01/01/2025	03/31/2025
30530157	8		OF	New York	NY	45,000,000.00	5,303,505.18	1,836,836.33	01/01/2025	03/31/2025
30319808	9	A1	RT			20,000,000.00	4,042,414.16	4,039,196.53	01/01/2025	06/30/2025
30319816	9	A2	RT			15,000,000.00	4,042,414.16	4,039,196.53	01/01/2025	06/30/2025
30319817	9	A3	RT			6,000,000.00	4,042,414.16	4,039,196.53	01/01/2025	06/30/2025
30319806	A-1	-B	IN			68,109,030.00	32,842,599.00	30,933,574.00	Not Available	Not Available
Total	Count = 53					1,064,335,172.05	449,808,050.12	381,469,635.26


Reports Available at sf.citidirect.com	v. 21.09.28	Page 17 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

DELINQUENCY LOAN DETAIL

September 17, 2025


		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

30507332	12	33,000,000.00	06/06/2025	106,207.29	315,195.83	17,164.32	46,460.62	2		2		03/10/2025
30506942	15	28,210,000.00	07/01/2025	66,581.18	133,162.36	3,248.50	36,278.08	1		2		11/08/2023
30507341	21	16,123,099.02	08/06/2025	79,922.09	79,922.09	886.27	31,672.27	B		0
Total	Count = 3	77,333,099.02		252,710.56	528,280.28	21,299.09	114,410.97


Reports Available at sf.citidirect.com	v. 21.09.28	Page 18 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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


	1		28,210,000		1		33,000,000		0		0		0		0		0		0		0		0		0			0
09/17/2025
	1.9	%	0.0	%	1.9	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%		0.0	%

	1		2,773,180		0		0		1		33,000,000		0		0		0		0		0		0		0			0
08/15/2025
	1.9	%	0.0	%	0.0	%	0.0	%	1.9	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%		0.0	%

	1		8,846,654		1		33,000,000		0		0		0		0		0		0		0		0		0			0
07/17/2025
	1.9	%	0.0	%	1.9	%	0.0	%	0.0	%	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		33,000,000		0		0		0		0		0			0
06/17/2025
	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	1.9	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%		0.0	%

	2		38,610,000		0		0		0		0		1		33,000,000		0		0		0		0		0			0
05/16/2025
	3.8	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	1.9	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%		0.0	%

	0		0		0		0		1		33,000,000		0		0		0		0		0		0		0			0
04/17/2025
	0.0	%	0.0	%	0.0	%	0.0	%	1.9	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%		0.0	%

	2		56,210,000		1		33,000,000		0		0		0		0		0		0		0		0		0			0
03/17/2025
	3.8	%	0.0	%	1.9	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%		0.0	%

	2		37,150,000		2		40,400,000		0		0		0		0		0		0		0		0		0			0
02/18/2025
	3.8	%	0.0	%	3.8	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%		0.0	%

	2		14,550,000		0		0		1		30,000,000		0		0		0		0		0		0		0			0
01/17/2025
	3.8	%	0.0	%	0.0	%	0.0	%	1.9	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%		0.0	%

	1		4,150,000		1		30,000,000		0		0		0		0		0		0		0		0		0			0
12/17/2024
	1.9	%	0.0	%	1.9	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%		0.0	%

	1		30,000,000		0		0		0		0		0		0		0		0		0		0		0			0
11/18/2024
	1.9	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	0.0	%	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 19 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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

30506942	15	Chase Tower	28,210,000.00	28,210,000.00	7,052,500.00	04/11/2025	22,193.73	44,387.46


Reports Available at sf.citidirect.com	v. 21.09.28	Page 20 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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	30506942	15	Chase Tower	28,210,000.00	28,210,000.00	7,052,500.00	04/11/2025	22,193.73		44,387.46
8/15/2025	30506942	15	Chase Tower	28,210,000.00	28,210,000.00	7,052,500.00	04/11/2025	715.93		22,193.73
7/17/2025	30506942	15	Chase Tower	28,210,000.00	28,210,000.00	7,052,500.00	04/11/2025	(715.93	)	21,477.80
6/17/2025	30506942	15	Chase Tower	28,210,000.00	28,210,000.00	7,052,500.00	04/11/2025	715.93		22,193.73
5/16/2025	30506942	15	Chase Tower	28,210,000.00	28,210,000.00	7,052,500.00	04/11/2025	21,477.80		21,477.80


Reports Available at sf.citidirect.com	v. 21.09.28	Page 21 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

LOAN MODIFICATION DETAIL

September 17, 2025


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

30319809	16	A2	iPark 84 Innovation Center	12/19/2024	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 22 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

HISTORICAL LOAN MODIFICATION DETAIL

September 17, 2025


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

09/17/2025	30319809	16	A2	iPark 84 Innovation Center	12/19/2024	8
08/15/2025	30319809	16	A2	iPark 84 Innovation Center	12/19/2024	8
07/17/2025	30319809	16	A2	iPark 84 Innovation Center	12/19/2024	8
06/17/2025	30319809	16	A2	iPark 84 Innovation Center	12/19/2024	8
05/16/2025	30319809	16	A2	iPark 84 Innovation Center	12/19/2024	8
04/17/2025	30319809	16	A2	iPark 84 Innovation Center	12/19/2024	8
03/17/2025	30319809	16	A2	iPark 84 Innovation Center	12/19/2024	8
02/18/2025	30319809	16	A2	iPark 84 Innovation Center	12/19/2024	8


Reports Available at sf.citidirect.com	v. 21.09.28	Page 23 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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

30506942	15		2	6,072.99		28,210,000.00	28,210,000.00	13,200,000.00	05/06/2025	11/08/2023
30507314	4	A1	1	(16.80	)	57,966,942.84	57,966,942.84	114,500,000.00	04/12/2021	02/28/2025
30507332	12		2	(6,875.00	)	33,000,000.00	33,000,000.00	57,800,000.00	02/26/2021	03/10/2025
Total	Count = 3			(818.81	)	119,176,942.84	119,176,942.84	185,500,000.00


Reports Available at sf.citidirect.com	v. 21.09.28	Page 24 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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

03/17/2025	30319809	16	A2	8	-		28,000,000.00	28,000,000.00	150,500,000.00	03/24/2021	11/22/2024	01/21/2025
02/18/2025	30319809	16	A2	9	2,722.22		28,000,000.00	28,000,000.00	150,500,000.00	03/24/2021	11/22/2024
01/17/2025	30319809	16	A2	98	6,027.78		28,000,000.00	28,000,000.00	150,500,000.00	03/24/2021	11/22/2024
12/17/2024	30319809	16	A2	98	2,138.89		28,000,000.00	28,000,000.00	150,500,000.00	03/24/2021	11/22/2024
09/17/2025	30506942	15		2	6,072.99		28,210,000.00	28,210,000.00	13,200,000.00	05/06/2025	11/08/2023
08/15/2025	30506942	15		2	195.91		28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
07/17/2025	30506942	15		2	(195.91	)	28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
06/17/2025	30506942	15		2	195.91		28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
05/16/2025	30506942	15		2	5,877.08		28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
04/17/2025	30506942	15		2	(5,485.27	)	28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
03/17/2025	30506942	15		2	5,485.28		28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
02/18/2025	30506942	15		2	-		28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
01/17/2025	30506942	15		2	-		28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
12/17/2024	30506942	15		2	-		28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
11/18/2024	30506942	15		98	-		28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
10/18/2024	30506942	15		98	-		28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
09/17/2024	30506942	15		98	-		28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
08/16/2024	30506942	15		98	-		28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
07/17/2024	30506942	15		2	-		28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
06/17/2024	30506942	15		98	-		28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
05/17/2024	30506942	15		98	-		28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
04/17/2024	30506942	15		98	-		28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
03/15/2024	30506942	15		98	-		28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
02/16/2024	30506942	15		98	-		28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
01/18/2024	30506942	15		98	-		28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
12/15/2023	30506942	15		98	(0.20	)	28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
11/17/2023	30506942	15		98	1,175.42		28,210,000.00	28,210,000.00	43,400,000.00	03/02/2021	11/08/2023
09/17/2025	30507314	4	A1	1	(16.80	)	57,966,942.84	57,966,942.84	114,500,000.00	04/12/2021	02/28/2025
08/15/2025	30507314	4	A1	98	385.91		58,045,314.38	58,045,314.38	114,500,000.00	04/12/2021	02/28/2025
07/17/2025	30507314	4	A1	98	(420.90	)	58,123,380.06	58,123,380.06	114,500,000.00	04/12/2021	02/28/2025
06/17/2025	30507314	4	A1	98	387.17		58,208,469.26	58,208,469.26	114,500,000.00	04/12/2021	02/28/2025
05/16/2025	30507314	4	A1	98	(3,921.89	)	58,285,898.18	58,285,898.18	114,500,000.00	04/12/2021	02/28/2025


Reports Available at sf.citidirect.com	v. 21.09.28	Page 25 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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

04/17/2025	30507314	4	A1	98	12,582.38		58,370,373.49	58,370,373.49	114,500,000.00	04/12/2021	02/28/2025
03/17/2025	30507314	4	A1	98	813.14		58,447,170.54	58,545,779.84	114,500,000.00	04/12/2021	02/28/2025
09/17/2025	30507332	12		2	(6,875.00	)	33,000,000.00	33,000,000.00	57,800,000.00	02/26/2021	03/10/2025
08/15/2025	30507332	12		2	7,104.17		33,000,000.00	33,000,000.00	57,800,000.00	02/26/2021	03/10/2025
07/17/2025	30507332	12		2	(12,833.34	)	33,000,000.00	33,000,000.00	57,800,000.00	02/26/2021	03/10/2025
06/17/2025	30507332	12		2	7,104.17		33,000,000.00	33,000,000.00	57,800,000.00	02/26/2021	03/10/2025
05/16/2025	30507332	12		2	6,875.00		33,000,000.00	33,000,000.00	57,800,000.00	02/26/2021	03/10/2025
04/17/2025	30507332	12		2	5,729.17		33,000,000.00	33,000,000.00	57,800,000.00	02/26/2021	03/10/2025


Reports Available at sf.citidirect.com	v. 21.09.28	Page 26 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

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 27 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

HISTORICAL UNSCHEDULED PRINCIPAL DETAIL

September 17, 2025


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)

1/17/2025	30507233	26	01/01/2025	2	13,500,000.00	-	-	-	-


Reports Available at sf.citidirect.com	v. 21.09.28	Page 28 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

LIQUIDATED LOAN DETAIL

September 17, 2025


		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 29 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

HISTORICAL LIQUIDATED LOAN

September 17, 2025


		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 30 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

CREFC® INVESTOR REPORTING PACKAGE LEGENDS

September 17, 2025


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 31 of 32	© Copyright 2025 Citigroup

Benchmark 2021-B27 Mortgage Trust

Commercial Mortgage Pass-Through Certificates, Series 2021-B27

NOTES

September 17, 2025

No Notes available for this deal at this time.


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

BENCHMARK 2021-B27 MORTGAGE TRUST 10-D