CSAIL 2021-C20 Commercial Mortgage Trust: loan annex
Page built October 19, 2026
Loan detail for CSAIL 2021-C20 Commercial Mortgage Trust.
Data as of loan data through September 2026; ratings as held in the dataset at 2026-10-13
← CSAIL 2021-C20 Commercial Mortgage Trust · CMBS market
Detail sections for the 16 loans of this deal that do not have a page of their own. Loans with a surveillance history, loans at or above the section's size threshold of $25.0M, and the largest loans in the deal have their own pages, linked from the loan table on the deal page. Every loan in the deal appears either here or on its own page.
Cobblestone Commons
| Property | Cobblestone Commons |
| Address | 8855 West Boynton Beach Boulevard; Boynton Beach, FL 33472 |
| Property type | Retail |
| Units, beds or keys | not yet reported |
| Net rentable square feet | 109,170 |
| Year built | 2019 |
| Year last renovated | not yet reported |
| Original balance | $22.8M |
| Current balance | $22.8M (September 2026) |
| Share of deal balance | 3.6% |
| Interest rate at origination | 4.10% |
| Current interest rate | 4.10% |
| Origination date | 02-26-2021 |
| Original term | 120 months |
| Amortization term | not yet reported |
| Interest-only period | 120 months |
| Scheduled maturity | 2031-03-06 |
| Prepayment lockout end | 04-05-2023 |
| Yield maintenance end | not yet reported |
| Servicer | not yet reported |
| Loan servicer | not yet reported |
| Originator | UBS AG |
| Current status | Current |
| Specially serviced now | No |
| Defeased | No |
Valuation
Change from securitization to the most recent reported valuation: 0.0%.
Largest tenants
The three largest tenants as reported in the latest asset-level record.
Latest financials
| Financial period end (latest) | 06-30-2026 |
| Revenue | $4.0M |
| Operating expenses | $1.2M |
| Net operating income | $2.8M |
| Net cash flow | $2.7M |
| DSCR (net cash flow) | 2.83 |
| DSCR (net operating income) | 2.96 |
| Occupancy | 100% |
| Servicer advances outstanding | $0 |
Stanford Oaks
| Property | Stanford Oaks |
| Address | 2035 Idlewood Road; Tucker, GA 30084 |
| Property type | Multifamily |
| Units, beds or keys | 202 |
| Net rentable square feet | not yet reported |
| Year built | 1968 |
| Year last renovated | 2019 |
| Original balance | $21.0M |
| Current balance | $21.0M (September 2026) |
| Share of deal balance | 3.4% |
| Interest rate at origination | 4.25% |
| Current interest rate | 4.25% |
| Origination date | 06-30-2020 |
| Original term | 124 months |
| Amortization term | not yet reported |
| Interest-only period | 124 months |
| Scheduled maturity | 2030-11-05 |
| Prepayment lockout end | 04-04-2023 |
| Yield maintenance end | not yet reported |
| Servicer | not yet reported |
| Loan servicer | not yet reported |
| Originator | Grass River Real Estate Credit Partners Loan Funding, LLC |
| Current status | Current |
| Specially serviced now | No |
| Defeased | No |
Valuation
Change from securitization to the most recent reported valuation: 0.0%.
Latest financials
| Financial period end (latest) | 06-30-2026 |
| Revenue | $3.5M |
| Operating expenses | $1.7M |
| Net operating income | $1.8M |
| Net cash flow | $1.8M |
| DSCR (net cash flow) | 1.95 |
| DSCR (net operating income) | 2.01 |
| Occupancy | 87% |
| Servicer advances outstanding | $0 |
Springhill Suites Boise
| Property | Springhill Suites Boise |
| Address | 424 East Parkcenter Boulevard; Boise, ID 83706 |
| Property type | Lodging |
| Units, beds or keys | 230 |
| Net rentable square feet | not yet reported |
| Year built | 1991 |
| Year last renovated | 2019 |
| Original balance | $18.8M |
| Current balance | $17.6M (September 2026) |
| Share of deal balance | 2.8% |
| Interest rate at origination | 3.75% |
| Current interest rate | 3.75% |
| Origination date | 02-27-2020 |
| Original term | 120 months |
| Amortization term | 360 months |
| Interest-only period | 36 months |
| Scheduled maturity | 2030-03-06 |
| Prepayment lockout end | 04-05-2023 |
| Yield maintenance end | not yet reported |
| Servicer | not yet reported |
| Loan servicer | not yet reported |
| Originator | DBR Investments Co. Limited |
| Current status | Current |
| Specially serviced now | No |
| Defeased | No |
Valuation
Change from securitization to the most recent reported valuation: 0.0%.
Latest financials
| Financial period end (latest) | 06-30-2026 |
| Revenue | $10.3M |
| Operating expenses | $5.6M |
| Net operating income | $4.6M |
| Net cash flow | $4.2M |
| DSCR (net cash flow) | 4.04 |
| DSCR (net operating income) | 4.44 |
| Occupancy | 76% |
| Servicer advances outstanding | $0 |
Sunset Hills Apartments
| Property | Sunset Hills Apartments |
| Address | 2825 Bluegrass Lane; Henderson, NV 89074 |
| Property type | Multifamily |
| Units, beds or keys | 120 |
| Net rentable square feet | not yet reported |
| Year built | 1988 |
| Year last renovated | 2019 |
| Original balance | $17.1M |
| Current balance | $16.6M (September 2026) |
| Share of deal balance | 2.7% |
| Interest rate at origination | 3.75% |
| Current interest rate | 3.75% |
| Origination date | 12-09-2020 |
| Original term | 122 months |
| Amortization term | 360 months |
| Interest-only period | 48 months |
| Scheduled maturity | 2031-03-05 |
| Prepayment lockout end | 04-04-2023 |
| Yield maintenance end | not yet reported |
| Servicer | not yet reported |
| Loan servicer | not yet reported |
| Originator | Grass River Real Estate Credit Partners Loan Funding, LLC |
| Current status | Current |
| Specially serviced now | No |
| Defeased | No |
Valuation
Change from securitization to the most recent reported valuation: 0.0%.
Latest financials
| Financial period end (latest) | 06-30-2026 |
| Revenue | $1.9M |
| Operating expenses | $767,343 |
| Net operating income | $1.2M |
| Net cash flow | $1.2M |
| DSCR (net cash flow) | 1.22 |
| DSCR (net operating income) | 1.24 |
| Occupancy | 83% |
| Servicer advances outstanding | $0 |
Indian Rock Medical Center
| Property | Indian Rock Medical Center |
| Address | 1-30 Route 59; Suffern, NY 10901 |
| Property type | Mixed use |
| Units, beds or keys | not yet reported |
| Net rentable square feet | 53,801 |
| Year built | 1996 |
| Year last renovated | 2020 |
| Original balance | $17.0M |
| Current balance | $16.4M (September 2026) |
| Share of deal balance | 2.6% |
| Interest rate at origination | 3.84% |
| Current interest rate | 3.84% |
| Origination date | 11-05-2020 |
| Original term | 124 months |
| Amortization term | 360 months |
| Interest-only period | 48 months |
| Scheduled maturity | 2031-03-05 |
| Prepayment lockout end | 12-04-2023 |
| Yield maintenance end | not yet reported |
| Servicer | not yet reported |
| Loan servicer | not yet reported |
| Originator | Grass River Real Estate Credit Partners Loan Funding, LLC |
| Current status | Current |
| Specially serviced now | No |
| Defeased | No |
Valuation
Change from securitization to the most recent reported valuation: 0.0%.
Largest tenants
The three largest tenants as reported in the latest asset-level record.
Latest financials
| Financial period end (latest) | not yet reported |
| Revenue | not yet reported |
| Operating expenses | not yet reported |
| Net operating income | not yet reported |
| Net cash flow | not yet reported |
| DSCR (net cash flow) | not yet reported |
| DSCR (net operating income) | not yet reported |
| Occupancy | not yet reported |
| Servicer advances outstanding | $0 |
Arts Building
| Property | Arts Building |
| Address | 336 West 37th Street; New York, NY 10018 |
| Property type | Office |
| Units, beds or keys | not yet reported |
| Net rentable square feet | 159,350 |
| Year built | 1928 |
| Year last renovated | 2000 |
| Original balance | $15.0M |
| Current balance | $15.0M (September 2026) |
| Share of deal balance | 2.4% |
| Interest rate at origination | 2.56% |
| Current interest rate | 2.56% |
| Origination date | 12-23-2020 |
| Original term | 120 months |
| Amortization term | not yet reported |
| Interest-only period | 120 months |
| Scheduled maturity | 2031-01-06 |
| Prepayment lockout end | 01-05-2024 |
| Yield maintenance end | not yet reported |
| Servicer | not yet reported |
| Loan servicer | not yet reported |
| Originator | Column Financial, Inc. |
| Current status | Current |
| Specially serviced now | No |
| Defeased | No |
Valuation
Change from securitization to the most recent reported valuation: 0.0%.
Largest tenants
The three largest tenants as reported in the latest asset-level record.
Latest financials
| Financial period end (latest) | not yet reported |
| Revenue | not yet reported |
| Operating expenses | not yet reported |
| Net operating income | not yet reported |
| Net cash flow | not yet reported |
| DSCR (net cash flow) | not yet reported |
| DSCR (net operating income) | not yet reported |
| Occupancy | not yet reported |
| Servicer advances outstanding | $0 |
TBC Corporate Office
| Property | TBC Corporate Office |
| Address | 4260 Design Center Drive; Palm Beach Gardens, FL 33410 |
| Property type | Office |
| Units, beds or keys | not yet reported |
| Net rentable square feet | 61,000 |
| Year built | 2020 |
| Year last renovated | not yet reported |
| Original balance | $14.0M |
| Current balance | $14.0M (September 2026) |
| Share of deal balance | 2.2% |
| Interest rate at origination | 4.01% |
| Current interest rate | 4.01% |
| Origination date | 02-26-2021 |
| Original term | 120 months |
| Amortization term | not yet reported |
| Interest-only period | 120 months |
| Scheduled maturity | 2031-03-06 |
| Prepayment lockout end | 04-05-2023 |
| Yield maintenance end | not yet reported |
| Servicer | not yet reported |
| Loan servicer | not yet reported |
| Originator | UBS AG |
| Current status | Current |
| Specially serviced now | No |
| Defeased | No |
Valuation
Change from securitization to the most recent reported valuation: 0.0%.
Largest tenants
The three largest tenants as reported in the latest asset-level record.
Latest financials
| Financial period end (latest) | 06-30-2026 |
| Revenue | $1.6M |
| Operating expenses | $77,279 |
| Net operating income | $1.5M |
| Net cash flow | $1.5M |
| DSCR (net cash flow) | 2.56 |
| DSCR (net operating income) | 2.63 |
| Occupancy | 100% |
| Servicer advances outstanding | $0 |
880 Technology Drive
| Property | 880 Technology Drive |
| Address | 880 Technology Drive; Ann Arbor, MI 48108 |
| Property type | Office |
| Units, beds or keys | not yet reported |
| Net rentable square feet | 85,833 |
| Year built | 1997 |
| Year last renovated | 2019 |
| Original balance | $12.7M |
| Current balance | $12.7M (September 2026) |
| Share of deal balance | 2.0% |
| Interest rate at origination | 4.25% |
| Current interest rate | 4.25% |
| Origination date | 11-30-2020 |
| Original term | 120 months |
| Amortization term | not yet reported |
| Interest-only period | 120 months |
| Scheduled maturity | 2030-12-06 |
| Prepayment lockout end | 04-05-2023 |
| Yield maintenance end | not yet reported |
| Servicer | not yet reported |
| Loan servicer | not yet reported |
| Originator | UBS AG |
| Current status | Current |
| Specially serviced now | No |
| Defeased | No |
Valuation
Change from securitization to the most recent reported valuation: 0.0%.
Largest tenants
The three largest tenants as reported in the latest asset-level record.
Latest financials
| Financial period end (latest) | 03-31-2026 |
| Revenue | $361,749 |
| Operating expenses | $200,694 |
| Net operating income | $161,055 |
| Net cash flow | $157,836 |
| DSCR (net cash flow) | 1.16 |
| DSCR (net operating income) | 1.18 |
| Occupancy | 88% |
| Servicer advances outstanding | $0 |
The Gables
| Property | The Gables |
| Address | 1209 Bermuda Lakes Lane; Kissimmee, FL 34741 |
| Property type | Multifamily |
| Units, beds or keys | 132 |
| Net rentable square feet | not yet reported |
| Year built | 1993 |
| Year last renovated | 2019 |
| Original balance | $12.2M |
| Current balance | $11.7M (September 2026) |
| Share of deal balance | 1.9% |
| Interest rate at origination | 5.00% |
| Current interest rate | 5.00% |
| Origination date | 07-24-2020 |
| Original term | 124 months |
| Amortization term | 360 months |
| Interest-only period | 36 months |
| Scheduled maturity | 2030-12-05 |
| Prepayment lockout end | 04-04-2023 |
| Yield maintenance end | not yet reported |
| Servicer | not yet reported |
| Loan servicer | not yet reported |
| Originator | Grass River Real Estate Credit Partners Loan Funding, LLC |
| Current status | Current |
| Specially serviced now | No |
| Defeased | No |
Valuation
Change from securitization to the most recent reported valuation: 0.0%.
Latest financials
| Financial period end (latest) | 06-30-2026 |
| Revenue | $2.5M |
| Operating expenses | $1.7M |
| Net operating income | $864,742 |
| Net cash flow | $824,842 |
| DSCR (net cash flow) | 1.05 |
| DSCR (net operating income) | 1.10 |
| Occupancy | 89% |
| Servicer advances outstanding | $0 |
Fox Hills Apartments
| Property | Fox Hills Apartments |
| Address | 2300 & 2306 Fox Hils Drive; Los Angeles, CA 90064 |
| Property type | Multifamily |
| Units, beds or keys | 24 |
| Net rentable square feet | not yet reported |
| Year built | 1968 |
| Year last renovated | not yet reported |
| Original balance | $11.6M |
| Current balance | $11.6M (September 2026) |
| Share of deal balance | 1.8% |
| Interest rate at origination | 3.86% |
| Current interest rate | 3.86% |
| Origination date | 11-12-2020 |
| Original term | 123 months |
| Amortization term | not yet reported |
| Interest-only period | 123 months |
| Scheduled maturity | 2031-03-05 |
| Prepayment lockout end | 04-04-2023 |
| Yield maintenance end | not yet reported |
| Servicer | not yet reported |
| Loan servicer | not yet reported |
| Originator | Grass River Real Estate Credit Partners Loan Funding, LLC |
| Current status | Current |
| Specially serviced now | No |
| Defeased | No |
Valuation
Change from securitization to the most recent reported valuation: 0.0%.
Latest financials
| Financial period end (latest) | not yet reported |
| Revenue | not yet reported |
| Operating expenses | not yet reported |
| Net operating income | not yet reported |
| Net cash flow | not yet reported |
| DSCR (net cash flow) | not yet reported |
| DSCR (net operating income) | not yet reported |
| Occupancy | not yet reported |
| Servicer advances outstanding | $0 |
Iron Gate Mega Storage
| Property | Iron Gate Mega Storage |
| Address | 7920 NE 117th Ave; Vancouver, WA 98662 |
| Property type | Self storage |
| Units, beds or keys | 802 |
| Net rentable square feet | not yet reported |
| Year built | 1999 |
| Year last renovated | not yet reported |
| Original balance | $10.0M |
| Current balance | $10.0M (September 2026) |
| Share of deal balance | 1.6% |
| Interest rate at origination | 3.04% |
| Current interest rate | 3.04% |
| Origination date | 12-30-2020 |
| Original term | 120 months |
| Amortization term | not yet reported |
| Interest-only period | 120 months |
| Scheduled maturity | 2031-01-06 |
| Prepayment lockout end | 02-05-2023 |
| Yield maintenance end | 10-05-2030 |
| Servicer | not yet reported |
| Loan servicer | not yet reported |
| Originator | UBS AG |
| Current status | Current |
| Specially serviced now | No |
| Defeased | No |
Valuation
Change from securitization to the most recent reported valuation: 0.0%.
Latest financials
| Financial period end (latest) | 06-30-2026 |
| Revenue | $1.8M |
| Operating expenses | $481,059 |
| Net operating income | $1.3M |
| Net cash flow | $1.3M |
| DSCR (net cash flow) | 4.10 |
| DSCR (net operating income) | 4.14 |
| Occupancy | 83% |
| Servicer advances outstanding | $0 |
280 Sports
| Property | 280 Sports |
| Address | 280 Commerce Street; Southlake, TX 76092 |
| Property type | Retail |
| Units, beds or keys | not yet reported |
| Net rentable square feet | 93,991 |
| Year built | 1986 |
| Year last renovated | 2007 |
| Original balance | $9.0M |
| Current balance | $7.5M (September 2026) |
| Share of deal balance | 1.2% |
| Interest rate at origination | 4.11% |
| Current interest rate | 4.11% |
| Origination date | 12-30-2019 |
| Original term | 120 months |
| Amortization term | 300 months |
| Interest-only period | not yet reported |
| Scheduled maturity | 2030-01-06 |
| Prepayment lockout end | 04-05-2023 |
| Yield maintenance end | not yet reported |
| Servicer | not yet reported |
| Loan servicer | not yet reported |
| Originator | UBS AG |
| Current status | Current |
| Specially serviced now | No |
| Defeased | No |
Valuation
Change from securitization to the most recent reported valuation: 0.0%.
Largest tenants
The three largest tenants as reported in the latest asset-level record.
Latest financials
| Financial period end (latest) | not yet reported |
| Revenue | not yet reported |
| Operating expenses | not yet reported |
| Net operating income | not yet reported |
| Net cash flow | not yet reported |
| DSCR (net cash flow) | not yet reported |
| DSCR (net operating income) | not yet reported |
| Occupancy | not yet reported |
| Servicer advances outstanding | $0 |
The Bristol
| Property | The Bristol |
| Address | 250 East Bristol Street; Elkhard, IN 46514 |
| Property type | Multifamily |
| Units, beds or keys | 84 |
| Net rentable square feet | not yet reported |
| Year built | 1967 |
| Year last renovated | 2019 |
| Original balance | $6.2M |
| Current balance | $5.7M (September 2026) |
| Share of deal balance | 0.9% |
| Interest rate at origination | 4.25% |
| Current interest rate | 4.25% |
| Origination date | 07-17-2020 |
| Original term | 124 months |
| Amortization term | 360 months |
| Interest-only period | 24 months |
| Scheduled maturity | 2030-12-05 |
| Prepayment lockout end | 04-04-2023 |
| Yield maintenance end | not yet reported |
| Servicer | not yet reported |
| Loan servicer | not yet reported |
| Originator | Grass River Real Estate Credit Partners Loan Funding, LLC |
| Current status | Current |
| Specially serviced now | No |
| Defeased | No |
Valuation
Change from securitization to the most recent reported valuation: 0.0%.
Latest financials
| Financial period end (latest) | not yet reported |
| Revenue | not yet reported |
| Operating expenses | not yet reported |
| Net operating income | not yet reported |
| Net cash flow | not yet reported |
| DSCR (net cash flow) | not yet reported |
| DSCR (net operating income) | not yet reported |
| Occupancy | not yet reported |
| Servicer advances outstanding | $0 |
Rachel
| Property | Rachel |
| Address | 1-84 Rachel Drive; Chambersburg, PA 17201 |
| Property type | Multifamily |
| Units, beds or keys | 30 |
| Net rentable square feet | not yet reported |
| Year built | 2018 |
| Year last renovated | not yet reported |
| Original balance | $3.7M |
| Current balance | $3.6M (September 2026) |
| Share of deal balance | 0.6% |
| Interest rate at origination | 4.08% |
| Current interest rate | 4.08% |
| Origination date | 08-03-2020 |
| Original term | 124 months |
| Amortization term | 360 months |
| Interest-only period | 48 months |
| Scheduled maturity | 2030-12-05 |
| Prepayment lockout end | 04-04-2024 |
| Yield maintenance end | not yet reported |
| Servicer | not yet reported |
| Loan servicer | not yet reported |
| Originator | Grass River Real Estate Credit Partners Loan Funding, LLC |
| Current status | Current |
| Specially serviced now | No |
| Defeased | No |
Valuation
Change from securitization to the most recent reported valuation: 0.0%.
Latest financials
| Financial period end (latest) | not yet reported |
| Revenue | not yet reported |
| Operating expenses | not yet reported |
| Net operating income | not yet reported |
| Net cash flow | not yet reported |
| DSCR (net cash flow) | not yet reported |
| DSCR (net operating income) | not yet reported |
| Occupancy | not yet reported |
| Servicer advances outstanding | $0 |
Chambersburg Portfolio (and 1 more properties)
| Property | Chambersburg Portfolio (and 1 more properties) |
| Address | 18-48 Kelhigh Drive; 100-111 Cheree Drive; Chambersburg, PA (and 1 more) 17201 |
| Property type | Multifamily |
| Units, beds or keys | ["16", "12"] |
| Net rentable square feet | not yet reported |
| Year built | not yet reported |
| Year last renovated | not yet reported |
| Original balance | $3.3M |
| Current balance | $3.2M (September 2026) |
| Share of deal balance | 0.5% |
| Interest rate at origination | 4.08% |
| Current interest rate | 4.08% |
| Origination date | 08-03-2020 |
| Original term | 124 months |
| Amortization term | 360 months |
| Interest-only period | 48 months |
| Scheduled maturity | 2030-12-05 |
| Prepayment lockout end | 04-04-2024 |
| Yield maintenance end | not yet reported |
| Servicer | not yet reported |
| Loan servicer | not yet reported |
| Originator | Grass River Real Estate Credit Partners Loan Funding, LLC |
| Current status | Current |
| Specially serviced now | No |
| Defeased | No |
Valuation
Latest financials
| Financial period end (latest) | ["06-30-2026", "06-30-2026"] |
| Revenue | not yet reported |
| Operating expenses | not yet reported |
| Net operating income | not yet reported |
| Net cash flow | not yet reported |
| DSCR (net cash flow) | not yet reported |
| DSCR (net operating income) | not yet reported |
| Occupancy | not yet reported |
| Servicer advances outstanding | $0 |
Royal Pines
| Property | Royal Pines |
| Address | not yet reported |
| Property type | not yet reported |
| Units, beds or keys | not yet reported |
| Net rentable square feet | not yet reported |
| Year built | 2009 |
| Year last renovated | not yet reported |
| Original balance | $15.0M |
| Current balance | not yet reported |
| Share of deal balance | not yet reported |
| Interest rate at origination | 4.50% |
| Current interest rate | 0.00% |
| Origination date | 10-08-2020 |
| Original term | 120 months |
| Amortization term | 360 months |
| Interest-only period | 60 months |
| Scheduled maturity | 2030-10-06 |
| Prepayment lockout end | 11-05-2022 |
| Yield maintenance end | 07-05-2030 |
| Servicer | not yet reported |
| Loan servicer | not yet reported |
| Originator | UBS AG |
| Current status | not yet reported |
| Specially serviced now | No |
| Defeased | No |
Valuation
Change from securitization to the most recent reported valuation: 0.0%.
Latest financials
| Financial period end (latest) | not yet reported |
| Revenue | not yet reported |
| Operating expenses | not yet reported |
| Net operating income | not yet reported |
| Net cash flow | not yet reported |
| DSCR (net cash flow) | not yet reported |
| DSCR (net operating income) | not yet reported |
| Occupancy | not yet reported |
| Servicer advances outstanding | not yet reported |