← Benchmark 2021-B23 Mortgage Trust · Loan annex · CMBS market
- Deal
- Benchmark 2021-B23 Mortgage Trust
- Current balance
- $104.2M (September 2026)
- Share of deal
- 7.0%
- Status
- Current
- DSCR (latest)
- 3.48
- Occupancy (latest)
- 89%
- Scheduled maturity
- 2026-01-06
Property and terms
| Property | Millennium Corporate Park |
| Address | 18200-18700 NE Union Hill Road; Redmond, WA 98052 |
| Property type | Office |
| Units, beds or keys | not yet reported |
| Net rentable square feet | 537,046 |
| Year built | 1999 |
| Year last renovated | not yet reported |
| Original balance | $105.0M |
| Current balance | $104.2M (September 2026) |
| Share of deal balance | 7.0% |
| Interest rate at origination | 3.03% |
| Current interest rate | 3.03% |
| Origination date | 12-17-2020 |
| Original term | 60 months |
| Amortization term | not yet reported |
| Interest-only period | 60 months |
| Scheduled maturity | 2026-01-06 |
| Prepayment lockout end | 09-05-2025 |
| Yield maintenance end | not yet reported |
| Servicer | Midland Loan Services |
| Loan servicer | not yet reported |
| Originator | Goldman Sachs Bank USA |
| Current status | Current |
| Specially serviced now | No |
| Defeased | No |
Valuation
| Basis | Amount | Date | Source (as filed) |
|---|---|---|---|
| At securitization | $216.7M | 11-18-2020 | MAI |
| Most recent reported | $126.0M | 2025-10-31 | MAI |
Change from securitization to the most recent reported valuation: -41.9%.
Largest tenants
| Tenant | Square feet | Lease expiration |
|---|---|---|
| Microsoft Corporation | 479,193 | 04-30-2028 |
| CBRE, Inc | 1,084 | 12-31-2030 |
The three largest tenants as reported in the latest asset-level record.
Monthly history
| Month | Balance | Status | Rate | DSCR (NCF) | DSCR (NOI) | Occupancy | Advances | Financial period end | Revenue | Expenses | NOI | NCF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| February 2021 | $105.0M | Current | 3.03% | not yet reported | not yet reported | not yet reported | $0 | not yet reported | not yet reported | not yet reported | not yet reported | not yet reported |
| March 2021 | $105.0M | Current | 3.03% | not yet reported | not yet reported | not yet reported | $0 | not yet reported | not yet reported | not yet reported | not yet reported | not yet reported |
| April 2021 | $105.0M | Current | 3.03% | not yet reported | not yet reported | not yet reported | $0 | not yet reported | not yet reported | not yet reported | not yet reported | not yet reported |
| May 2021 | $105.0M | Current | 3.03% | not yet reported | not yet reported | not yet reported | $0 | not yet reported | not yet reported | not yet reported | not yet reported | not yet reported |
| June 2021 | $105.0M | Current | 3.03% | not yet reported | not yet reported | not yet reported | $0 | not yet reported | not yet reported | not yet reported | not yet reported | not yet reported |
| July 2021 | $105.0M | Current | 3.03% | not yet reported | not yet reported | not yet reported | $0 | not yet reported | not yet reported | not yet reported | not yet reported | not yet reported |
| August 2021 | $105.0M | Current | 3.03% | not yet reported | not yet reported | not yet reported | $0 | not yet reported | not yet reported | not yet reported | not yet reported | not yet reported |
| September 2021 | $105.0M | Current | 3.03% | 2.88 | 3.05 | 100% | $0 | 06-30-2021 | $13.6M | $3.7M | $9.8M | $9.3M |
| October 2021 | $105.0M | Current | 3.03% | 2.88 | 3.05 | 100% | $0 | 06-30-2021 | $13.6M | $3.7M | $9.8M | $9.3M |
| November 2021 | $105.0M | Current | 3.03% | 2.88 | 3.05 | 100% | $0 | 06-30-2021 | $13.6M | $3.7M | $9.8M | $9.3M |
| December 2021 | $105.0M | Current | 3.03% | 2.88 | 3.05 | 100% | $0 | 06-30-2021 | $13.6M | $3.7M | $9.8M | $9.3M |
| January 2022 | $105.0M | Current | 3.03% | 2.14 | 2.27 | 100% | $0 | 09-30-2021 | $13.0M | $3.7M | $9.2M | $8.7M |
| February 2022 | $105.0M | Current | 3.03% | 2.14 | 2.27 | 100% | $0 | 09-30-2021 | $13.0M | $3.7M | $9.2M | $8.7M |
| March 2022 | $105.0M | Current | 3.03% | 2.07 | 2.20 | 100% | $0 | 12-31-2021 | $12.7M | $3.7M | $8.9M | $8.4M |
| April 2022 | $105.0M | Current | 3.03% | 2.07 | 2.20 | 100% | $0 | 12-31-2021 | $12.7M | $3.7M | $8.9M | $8.4M |
| May 2022 | $105.0M | Current | 3.03% | not yet reported | not yet reported | not yet reported | $0 | not yet reported | not yet reported | not yet reported | not yet reported | not yet reported |
| June 2022 | $105.0M | Current | 3.03% | 1.69 | 1.82 | 100% | $0 | 03-31-2022 | $2.8M | $984,736 | $1.8M | $1.7M |
| July 2022 | $105.0M | Current | 3.03% | 1.69 | 1.82 | 100% | $0 | 03-31-2022 | $2.8M | $984,736 | $1.8M | $1.7M |
| August 2022 | $105.0M | Current | 3.03% | 1.69 | 1.82 | 100% | $0 | 03-31-2022 | $2.8M | $984,736 | $1.8M | $1.7M |
| September 2022 | $105.0M | Current | 3.03% | 1.30 | 1.43 | 100% | $0 | 06-30-2022 | $9.7M | $3.9M | $5.8M | $5.3M |
| October 2022 | $105.0M | Current | 3.03% | 1.30 | 1.43 | 100% | $0 | 06-30-2022 | $9.7M | $3.9M | $5.8M | $5.3M |
| November 2022 | $105.0M | Current | 3.03% | 1.57 | 1.70 | 100% | $0 | 09-30-2022 | $10.7M | $3.8M | $6.9M | $6.4M |
| December 2022 | $105.0M | Current | 3.03% | 1.57 | 1.70 | 100% | $0 | 09-30-2022 | $10.7M | $3.8M | $6.9M | $6.4M |
| January 2023 | $105.0M | Current | 3.03% | 1.57 | 1.70 | 100% | $0 | 09-30-2022 | $10.7M | $3.8M | $6.9M | $6.4M |
| February 2023 | $105.0M | Current | 3.03% | 1.57 | 1.70 | 100% | $0 | 09-30-2022 | $10.7M | $3.8M | $6.9M | $6.4M |
| March 2023 | $105.0M | Current | 3.03% | 2.05 | 2.18 | 100% | $0 | 12-31-2022 | $12.9M | $4.0M | $8.9M | $8.3M |
| April 2023 | $105.0M | Current | 3.03% | 2.05 | 2.18 | 100% | $0 | 12-31-2022 | $12.9M | $4.0M | $8.9M | $8.3M |
| May 2023 | $105.0M | Current | 3.03% | not yet reported | not yet reported | not yet reported | $0 | not yet reported | not yet reported | not yet reported | not yet reported | not yet reported |
| June 2023 | $105.0M | Current | 3.03% | 2.41 | 2.54 | 100% | $0 | 03-31-2023 | $3.6M | $1.0M | $2.6M | $2.4M |
| July 2023 | $105.0M | Current | 3.03% | 2.41 | 2.54 | 100% | $0 | 03-31-2023 | $3.6M | $1.0M | $2.6M | $2.4M |
| August 2023 | $105.0M | Current | 3.03% | 2.41 | 2.54 | 100% | $0 | 03-31-2023 | $3.6M | $1.0M | $2.6M | $2.4M |
| September 2023 | $105.0M | Current | 3.03% | 2.47 | 2.60 | 100% | $0 | 06-30-2023 | $14.6M | $4.1M | $10.6M | $10.0M |
| October 2023 | $105.0M | Current | 3.03% | 2.47 | 2.60 | 100% | $0 | 06-30-2023 | $14.6M | $4.1M | $10.6M | $10.0M |
| November 2023 | $105.0M | Current | 3.03% | 2.47 | 2.60 | 100% | $0 | 06-30-2023 | $14.6M | $4.1M | $10.6M | $10.0M |
| December 2023 | $105.0M | Current | 3.03% | 2.44 | 2.57 | 100% | $0 | 09-30-2023 | $14.4M | $4.0M | $10.4M | $9.9M |
| January 2024 | $105.0M | Current | 3.03% | 2.44 | 2.57 | 100% | $0 | 09-30-2023 | $14.4M | $4.0M | $10.4M | $9.9M |
| February 2024 | $105.0M | Current | 3.03% | 2.44 | 2.57 | 100% | $0 | 09-30-2023 | $14.4M | $4.0M | $10.4M | $9.9M |
| March 2024 | $105.0M | Current | 3.03% | 2.54 | 2.68 | 93% | $0 | 12-31-2023 | $14.9M | $4.1M | $10.9M | $10.3M |
| April 2024 | $105.0M | Current | 3.03% | 2.54 | 2.68 | 93% | $0 | 12-31-2023 | $14.9M | $4.1M | $10.9M | $10.3M |
| May 2024 | $105.0M | Current | 3.03% | not yet reported | not yet reported | not yet reported | $0 | not yet reported | not yet reported | not yet reported | not yet reported | not yet reported |
| June 2024 | $105.0M | Current | 3.03% | 2.99 | 3.12 | 91% | $0 | 03-31-2024 | $4.3M | $1.2M | $3.2M | $3.0M |
| July 2024 | $105.0M | Current | 3.03% | 2.99 | 3.12 | 91% | $0 | 03-31-2024 | $4.3M | $1.2M | $3.2M | $3.0M |
| August 2024 | $105.0M | Current | 3.03% | 2.99 | 3.12 | 91% | $0 | 03-31-2024 | $4.3M | $1.2M | $3.2M | $3.0M |
| September 2024 | $105.0M | Current | 3.03% | 2.84 | 2.97 | 91% | $0 | 06-30-2024 | $16.8M | $4.8M | $12.1M | $11.5M |
| October 2024 | $105.0M | Current | 3.03% | 2.84 | 2.97 | 91% | $0 | 06-30-2024 | $16.8M | $4.8M | $12.1M | $11.5M |
| November 2024 | $105.0M | Current | 3.03% | 2.84 | 2.97 | 91% | $0 | 06-30-2024 | $16.8M | $4.8M | $12.1M | $11.5M |
| December 2024 | $105.0M | Current | 3.03% | 2.84 | 2.97 | 89% | $0 | 06-30-2024 | $16.8M | $4.8M | $12.1M | $11.5M |
| January 2025 | $105.0M | Current | 3.03% | 2.84 | 2.97 | 89% | $0 | 06-30-2024 | $16.8M | $4.8M | $12.1M | $11.5M |
| February 2025 | $105.0M | Current | 3.03% | 2.84 | 2.97 | 89% | $0 | 06-30-2024 | $16.8M | $4.8M | $12.1M | $11.5M |
| March 2025 | $105.0M | Current | 3.03% | 2.63 | 2.76 | 89% | $0 | 09-30-2024 | $15.8M | $4.6M | $11.2M | $10.7M |
| April 2025 | $105.0M | Current | 3.03% | 2.63 | 2.76 | 89% | $0 | 09-30-2024 | $15.8M | $4.6M | $11.2M | $10.7M |
| May 2025 | $105.0M | Current | 3.03% | not yet reported | not yet reported | not yet reported | $0 | not yet reported | not yet reported | not yet reported | not yet reported | not yet reported |
| June 2025 | $105.0M | Current | 3.03% | not yet reported | not yet reported | not yet reported | $0 | not yet reported | not yet reported | not yet reported | not yet reported | not yet reported |
| July 2025 | $105.0M | Current | 3.03% | not yet reported | not yet reported | not yet reported | $0 | not yet reported | not yet reported | not yet reported | not yet reported | not yet reported |
| August 2025 | $105.0M | Current | 3.03% | not yet reported | not yet reported | not yet reported | $0 | not yet reported | not yet reported | not yet reported | not yet reported | not yet reported |
| September 2025 | $105.0M | Current | 3.03% | 2.86 | 2.99 | 89% | $0 | 06-30-2025 | $16.4M | $4.2M | $12.1M | $11.6M |
| October 2025 | $105.0M | Current | 3.03% | 2.86 | 2.99 | 89% | $0 | 06-30-2025 | $16.4M | $4.2M | $12.1M | $11.6M |
| November 2025 | $105.0M | Current | 3.03% | 2.86 | 2.99 | 89% | $0 | 06-30-2025 | $16.4M | $4.2M | $12.1M | $11.6M |
| December 2025 | $105.0M | Current | 3.03% | 2.86 | 2.99 | 89% | $0 | 06-30-2025 | $16.4M | $4.2M | $12.1M | $11.6M |
| January 2026 | $105.0M | Real estate owned (REO) | 3.03% | 3.08 | 3.21 | 89% | $273,917 | 09-30-2025 | $17.2M | $4.2M | $13.0M | $12.5M |
| February 2026 | $104.2M | Current | 3.03% | 3.08 | 3.21 | 89% | $0 | 09-30-2025 | $17.2M | $4.2M | $13.0M | $12.5M |
| March 2026 | $104.2M | Current | 3.03% | 3.08 | 3.21 | 89% | $0 | 09-30-2025 | $17.2M | $4.2M | $13.0M | $12.5M |
| April 2026 | $104.2M | Current | 3.03% | 3.08 | 3.21 | 89% | $0 | 09-30-2025 | $17.2M | $4.2M | $13.0M | $12.5M |
| May 2026 | $104.2M | Current | 3.03% | not yet reported | not yet reported | not yet reported | $0 | not yet reported | not yet reported | not yet reported | not yet reported | not yet reported |
| June 2026 | $104.2M | Current | 3.03% | not yet reported | not yet reported | not yet reported | $0 | not yet reported | not yet reported | not yet reported | not yet reported | not yet reported |
| July 2026 | $104.2M | Current | 3.03% | 3.48 | 3.62 | 89% | $0 | 03-31-2026 | $4.9M | $1.4M | $3.5M | $3.4M |
| August 2026 | $104.2M | Current | 3.03% | 3.48 | 3.62 | 89% | $0 | 03-31-2026 | $4.9M | $1.4M | $3.5M | $3.4M |
| September 2026 | $104.2M | Current | 3.03% | 3.48 | 3.62 | 89% | $0 | 03-31-2026 | $4.9M | $1.4M | $3.5M | $3.4M |
Revenue, expenses, net operating income (NOI) and net cash flow (NCF) are the most recent financials reported as of each month, for the financial period ending on the date shown. DSCR is debt service coverage on the net cash flow and net operating income bases as reported.
Status timeline
| Date | Event |
|---|---|
| 2020-12-17 | Loan modified (rate after modification 0.00%; maturity after modification 2026-01-06) |
| 2025-09-30 | Transferred to the special servicer |
| January 2026 | First reported 30 or more days delinquent |
| 2026-01-06 | Loan modified (rate after modification 0.00%; maturity after modification 2029-01-06; payment after modification $0) |
| 2026-01-06 | Scheduled maturity passed; the loan is still reported, with status Current in September 2026 |
| 2026-01-08 | Loan modified (rate after modification 0.00%; maturity after modification 2029-01-06; payment after modification $0) |
| 2026-03-13 | Returned to the master servicer |
Also filed in other trusts
Loans are sometimes split across trusts (pari passu), and each trust files the loan at its whole-loan amount. A loan with the same property name and origination date is filed in: Benchmark 2021-B24 Mortgage Trust.
Sources: SEC Form ABS-EE asset-level reports for the deal. Definitions are in the methods note on the market page.