Kilambi News
Monday, October 19, 2026

Brass Professional Center (Benchmark 2020-B18 Mortgage Trust)

Page built October 19, 2026

Property, terms, monthly financial history and surveillance record for a loan in Benchmark 2020-B18 Mortgage Trust.

Data as of loan data through September 2026; ratings as held in the dataset at 2026-10-01

← Benchmark 2020-B18 Mortgage Trust · Loan annex · CMBS market

Deal
Benchmark 2020-B18 Mortgage Trust
Current balance
$31.7M (September 2026)
Share of deal
4.7%
Status
90+ days delinquent
DSCR (latest)
0.47
Occupancy (latest)
48%
Scheduled maturity
2030-08-06

Property and terms

PropertyBrass Professional Center
Address4400 Northwest Loop 41; San Antonio, TX 78229
Property typeOffice
Units, beds or keysnot yet reported
Net rentable square feet577,243
Year built1968
Year last renovatednot yet reported
Original balance$32.7M
Current balance$31.7M (September 2026)
Share of deal balance4.7%
Interest rate at origination4.75%
Current interest rate4.75%
Origination date07-10-2020
Original term121 months
Amortization term360 months
Interest-only period13 months
Scheduled maturity2030-08-06
Prepayment lockout end05-05-2030
Yield maintenance endnot yet reported
ServicerNorthmarq Capital
Loan servicernot yet reported
OriginatorGoldman Sachs Bank USA
Current status90+ days delinquent
Specially serviced nowYes
DefeasedNo

Valuation

BasisAmountDateSource (as filed)
At securitization$79.1M06-01-2020MAI
Most recent reported$19.1M2026-06-17MAI

Change from securitization to the most recent reported valuation: -75.9%.

$0$77,733,000$155,466,000$233,199,000$310,932,0002020202320242026

Largest tenants

TenantSquare feetLease expiration
Empowerment Schools -Healthcare, Limited40,97101-31-2033
QTC Management, Inc.33,93009-30-2028
TDI Division of Workers14,23609-30-2032

The three largest tenants as reported in the latest asset-level record.

Monthly history

$0$9,450,000$18,900,000$28,350,000$37,800,000202120222023202420252026-1.5-0.30.92.13.320222023202420252026
MonthBalanceStatusRateDSCR (NCF)DSCR (NOI)OccupancyAdvancesFinancial period endRevenueExpensesNOINCF
July 2020$32.7MMatured balloon, performing4.75%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
August 2020$32.7MCurrent4.75%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
September 2020$32.7M30-59 days delinquent4.75%not yet reportednot yet reportednot yet reported$133,154not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
October 2020$32.7MCurrent4.75%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
November 2020$32.7MMatured balloon, non-performing4.75%not yet reportednot yet reportednot yet reported$133,154not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
December 2020$32.7MCurrent4.75%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
January 2021$32.7MCurrent4.75%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
February 2021$35.0MCurrent2.92%2.963.0381%$012-31-2020$13.7M$6.0M$7.6M$7.5M
March 2021$32.7MCurrent4.75%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
April 2021$32.7MCurrent4.75%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
May 2021$32.7MCurrent4.75%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
June 2021$32.7MCurrent4.75%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
July 2021$32.7MCurrent4.75%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
August 2021$32.7MCurrent4.75%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
September 2021$32.7MCurrent4.75%2.703.08not yet reported$006-30-2021$9.4M$4.6M$4.8M$4.2M
October 2021$32.6MCurrent4.75%2.703.0877%$006-30-2021$9.4M$4.6M$4.8M$4.2M
November 2021$32.6MCurrent4.75%2.703.0877%$006-30-2021$9.4M$4.6M$4.8M$4.2M
December 2021$32.5MCurrent4.75%2.703.0877%$006-30-2021$9.4M$4.6M$4.8M$4.2M
January 2022$32.5MCurrent4.75%2.222.3077%$009-30-2021$2.3M$960,786$1.3M$1.3M
February 2022$32.5MCurrent4.75%2.222.3077%$009-30-2021$2.3M$960,786$1.3M$1.3M
March 2022$32.4MCurrent4.75%2.222.3077%$009-30-2021$2.3M$960,786$1.3M$1.3M
April 2022$32.4MCurrent4.75%2.222.3077%$009-30-2021$2.3M$960,786$1.3M$1.3M
May 2022$32.3MCurrent4.75%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
June 2022$32.3MCurrent4.75%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
July 2022$32.3MCurrent4.75%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
August 2022$32.2MCurrent4.75%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
September 2022$32.2MCurrent4.75%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
October 2022$32.1MCurrent4.75%1.581.8878%$006-30-2022$8.5M$4.7M$3.8M$3.2M
November 2022$32.1MCurrent4.75%1.581.8878%$006-30-2022$8.5M$4.7M$3.8M$3.2M
December 2022$32.1MCurrent4.75%1.581.8878%$006-30-2022$8.5M$4.7M$3.8M$3.2M
January 2023$32.0MCurrent4.75%1.792.0871%$009-30-2022$8.6M$4.3M$4.3M$3.7M
February 2023$32.0MCurrent4.75%1.792.0871%not yet reported09-30-2022$8.6M$4.3M$4.3M$3.7M
March 2023$32.0MMatured balloon, non-performing4.75%1.792.0871%$170,05009-30-2022$8.6M$4.3M$4.3M$3.7M
April 2023$32.0M30-59 days delinquent4.75%1.792.0871%$340,04509-30-2022$8.6M$4.3M$4.3M$3.7M
May 2023$32.0M60-89 days delinquent4.75%not yet reportednot yet reportednot yet reported$510,059not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
June 2023$32.0M90+ days delinquent4.75%not yet reportednot yet reportednot yet reported$680,055not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
July 2023$32.0M90+ days delinquent4.75%not yet reportednot yet reportednot yet reported$850,071not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
August 2023$32.0M90+ days delinquent4.75%not yet reportednot yet reportednot yet reported$1.0Mnot yet reportednot yet reportednot yet reportednot yet reportednot yet reported
September 2023$32.0M90+ days delinquent4.75%not yet reportednot yet reportednot yet reported$1.2Mnot yet reportednot yet reportednot yet reportednot yet reportednot yet reported
October 2023$31.8M60-89 days delinquent4.75%not yet reportednot yet reportednot yet reported$446,492not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
November 2023$31.8M90+ days delinquent4.75%not yet reportednot yet reportednot yet reported$584,211not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
December 2023$31.8M90+ days delinquent4.75%not yet reportednot yet reportednot yet reported$754,230not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
January 2024$31.8M90+ days delinquent4.75%not yet reportednot yet reportednot yet reported$833,811not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
February 2024$31.8M90+ days delinquent4.75%not yet reportednot yet reportednot yet reported$1.0Mnot yet reportednot yet reportednot yet reportednot yet reportednot yet reported
March 2024$31.8M90+ days delinquent4.75%not yet reportednot yet reportednot yet reported$1.1Mnot yet reportednot yet reportednot yet reportednot yet reportednot yet reported
April 2024$31.8M90+ days delinquent4.75%not yet reportednot yet reportednot yet reported$1.2Mnot yet reportednot yet reportednot yet reportednot yet reportednot yet reported
May 2024$31.8M90+ days delinquent4.75%not yet reportednot yet reportednot yet reported$1.3Mnot yet reportednot yet reportednot yet reportednot yet reportednot yet reported
June 2024$31.8M90+ days delinquent4.75%not yet reportednot yet reportednot yet reported$1.5Mnot yet reportednot yet reportednot yet reportednot yet reportednot yet reported
July 2024$31.8M90+ days delinquent4.75%not yet reportednot yet reportednot yet reported$1.6Mnot yet reportednot yet reportednot yet reportednot yet reportednot yet reported
August 2024$31.8M90+ days delinquent4.75%-0.32-0.04not yet reported$1.7M03-31-2024$1.9M$2.0M$-36,852$-289,034
September 2024$31.8M90+ days delinquent4.75%-0.32-0.0468%$1.8M03-31-2024$1.9M$2.0M$-36,852$-289,034
October 2024$31.8M90+ days delinquent4.75%-0.32-0.0468%$1.9M03-31-2024$1.9M$2.0M$-36,852$-289,034
November 2024$31.8M90+ days delinquent4.75%-0.32-0.0468%$2.0M03-31-2024$1.9M$2.0M$-36,852$-289,034
December 2024$31.8M90+ days delinquent4.75%-0.32-0.0468%$2.1M03-31-2024$1.9M$2.0M$-36,852$-289,034
January 2025$31.8M90+ days delinquent4.75%0.310.5859%$2.2M06-30-2024$8.0M$5.9M$2.1M$1.1M
February 2025$31.8M90+ days delinquent4.75%0.310.5859%$2.4M06-30-2024$8.0M$5.9M$2.1M$1.1M
March 2025$31.8M90+ days delinquent4.75%0.310.5859%$2.5M06-30-2024$8.0M$5.9M$2.1M$1.1M
April 2025$31.8M90+ days delinquent4.75%0.310.5859%$2.6M06-30-2024$8.0M$5.9M$2.1M$1.1M
May 2025$31.8M90+ days delinquent4.75%not yet reportednot yet reportednot yet reported$2.7Mnot yet reportednot yet reportednot yet reportednot yet reportednot yet reported
June 2025$31.8M90+ days delinquent4.75%not yet reportednot yet reportednot yet reported$2.8Mnot yet reportednot yet reportednot yet reportednot yet reportednot yet reported
July 2025$31.8M90+ days delinquent4.75%not yet reportednot yet reportednot yet reported$3.0Mnot yet reportednot yet reportednot yet reportednot yet reportednot yet reported
August 2025$31.8M90+ days delinquent4.75%0.070.2553%$3.1M03-31-2025$2.3M$2.1M$227,579$66,784
September 2025$31.8M90+ days delinquent4.75%0.070.2553%$3.2M03-31-2025$2.3M$2.1M$227,579$66,784
October 2025$31.8M90+ days delinquent4.75%-0.420.5851%$3.2M06-30-2025$8.8M$6.7M$2.1M$-1.5M
November 2025$31.8M90+ days delinquent4.75%-0.420.5851%$3.2M06-30-2025$8.8M$6.7M$2.1M$-1.5M
December 2025$31.7M90+ days delinquent4.75%-0.380.4555%$3.0M09-30-2025$8.0M$6.3M$1.6M$-1.4M
January 2026$31.7M90+ days delinquent4.75%-0.380.4555%$3.0M09-30-2025$8.0M$6.3M$1.6M$-1.4M
February 2026$31.7M90+ days delinquent4.75%-0.380.4555%$3.0M09-30-2025$8.0M$6.3M$1.6M$-1.4M
March 2026$31.7M90+ days delinquent4.75%-0.380.4555%$3.0M09-30-2025$8.0M$6.3M$1.6M$-1.4M
April 2026$31.7M90+ days delinquent4.75%-0.600.4255%$3.0M12-31-2025$7.4M$5.9M$1.5M$-2.2M
May 2026$31.7M90+ days delinquent4.75%not yet reportednot yet reportednot yet reported$3.0Mnot yet reportednot yet reportednot yet reportednot yet reportednot yet reported
June 2026$31.7M90+ days delinquent4.75%-1.14-0.8250%$3.0M03-31-2026$1.3M$2.0M$-744,209$-1.0M
July 2026$31.7M90+ days delinquent4.75%-1.14-0.8250%$3.0M03-31-2026$1.3M$2.0M$-744,209$-1.0M
August 2026$31.7M90+ days delinquent4.75%-1.14-0.8250%$3.0M03-31-2026$1.3M$2.0M$-744,209$-1.0M
September 2026$31.7M90+ days delinquent4.75%0.470.7848%$3.0M06-30-2026$8.2M$5.4M$2.8M$1.7M

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

DateEvent
September 2020First reported 30 or more days delinquent
2023-03-13Transferred to the special servicer
2023-03-16Returned to the master servicer
2023-05-08Transferred to the special 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 2020-B19 Mortgage Trust; DBJPM 2020-C9 Mortgage Trust.

Sources: SEC Form ABS-EE asset-level reports for the deal. Definitions are in the methods note on the market page.