Kilambi News
Monday, October 19, 2026

WILLIAM PENN BUILDING (Benchmark 2018-B1 Mortgage Trust)

Page built October 19, 2026

Property, terms, monthly financial history and surveillance record for a loan in Benchmark 2018-B1 Mortgage Trust.

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

← Benchmark 2018-B1 Mortgage Trust · Loan annex · CMBS market

Deal
Benchmark 2018-B1 Mortgage Trust
Current balance
$10.2M (September 2026)
Share of deal
1.4%
Status
Current
DSCR (latest)
1.00
Occupancy (latest)
100%
Scheduled maturity
2027-12-06

Property and terms

PropertyWILLIAM PENN BUILDING
Address501-515 F STREET & 777-779 5TH AVENUE; San Diego, CA 92101
Property typeMixed use
Units, beds or keysnot yet reported
Net rentable square feet27,200
Year built1913
Year last renovated2016
Original balance$11.5M
Current balance$10.2M (September 2026)
Share of deal balance1.4%
Interest rate at origination4.86%
Current interest rate4.86%
Origination date11-30-2017
Original term120 months
Amortization term360 months
Interest-only period24 months
Scheduled maturity2027-12-06
Prepayment lockout end09-05-2027
Yield maintenance endnot yet reported
ServicerTrimont LLC
Loan servicernot yet reported
OriginatorDeutsche Bank AG, acting through its New York Branch
Current statusCurrent
Specially serviced nowNo
DefeasedNo

Valuation

BasisAmountDateSource (as filed)
At securitization$20.1M11-01-2017MAI
Most recent reported$14.6M2021-10-13MAI

Change from securitization to the most recent reported valuation: -27.2%.

Largest tenants

TenantSquare feetLease expiration
QUEENSBOROUGH7,50007-31-2027
TACOS EL GORDO3,10004-30-2026

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

Monthly history

$0$3,105,000$6,210,000$9,315,000$12,420,0002018201920202021202220232024202520260.00.61.21.82.420192020202120222023202420252026
MonthBalanceStatusRateDSCR (NCF)DSCR (NOI)OccupancyAdvancesFinancial period endRevenueExpensesNOINCF
January 2018$11.5MCurrent4.86%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
February 2018$11.5MCurrent4.86%not yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reported
March 2018$11.5MCurrent4.86%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
April 2018$11.5MCurrent4.86%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
May 2018$11.5MCurrent4.86%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
June 2018$11.5MCurrent4.86%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
July 2018$11.5MCurrent4.86%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
August 2018$11.5MCurrent4.86%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
September 2018$11.5MCurrent4.86%1.701.73100%$006-30-2018$615,709$130,453$485,256$476,396
October 2018$11.5MCurrent4.86%1.701.73100%$006-30-2018$615,709$130,453$485,256$476,396
November 2018$11.5MCurrent4.86%1.701.73100%$006-30-2018$615,709$130,453$485,256$476,396
December 2018$11.5MCurrent4.86%1.701.73100%$006-30-2018$615,709$130,453$485,256$476,396
January 2019$11.5MCurrent4.86%1.451.48100%$009-30-2018$820,525$193,295$627,230$613,940
February 2019$11.5MCurrent4.86%1.451.48100%$009-30-2018$820,525$193,295$627,230$613,940
March 2019$11.5MCurrent4.86%1.451.48100%$009-30-2018$820,525$193,295$627,230$613,940
April 2019$11.5MCurrent4.86%1.451.48100%$009-30-2018$820,525$193,295$627,230$613,940
May 2019$11.5MCurrent4.86%0.981.0172%$012-31-2018$824,654$252,974$571,680$553,960
June 2019$11.5MCurrent4.86%0.981.0172%$012-31-2018$824,654$252,974$571,680$553,960
July 2019$11.5MCurrent4.86%0.981.0172%$012-31-2018$824,654$252,974$571,680$553,960
August 2019$11.5MCurrent4.86%0.981.0172%$012-31-2018$824,654$252,974$571,680$553,960
September 2019$11.5MCurrent4.86%1.161.1978%$006-30-2019$462,091$125,806$336,285$327,425
October 2019$11.5MCurrent4.86%1.161.1978%$006-30-2019$462,091$125,806$336,285$327,425
November 2019$11.5MCurrent4.86%1.161.1970%$009-30-2019$698,851$193,751$505,100$491,810
December 2019$11.5MCurrent4.86%1.161.1970%$009-30-2019$698,851$193,751$505,100$491,810
January 2020$11.5MCurrent4.86%1.161.1970%$009-30-2019$698,851$193,751$505,100$491,810
February 2020$11.5MCurrent4.86%1.161.1970%$009-30-2019$698,851$193,751$505,100$491,810
March 2020$10.0MCurrent4.11%2.222.27100%$009-30-2019$7.5M$1.5M$6.0M$5.9M
April 2020$11.5MMatured balloon, non-performing4.86%1.221.2580%$60,67012-31-2019$961,520$253,520$708,000$690,280
May 2020$11.5M30-59 days delinquent4.86%1.221.2580%$121,34212-31-2019$961,520$253,520$708,000$690,280
June 2020$11.5M60-89 days delinquent4.86%1.221.2580%$182,01212-31-2019$961,520$253,520$708,000$690,280
July 2020$11.4MMatured balloon, non-performing4.86%1.221.2580%$60,67212-31-2019$961,520$253,520$708,000$690,280
August 2020$11.4MCurrent4.86%0.970.9975%$003-31-2020$273,666$92,573$181,093$176,663
September 2020$11.4M30-59 days delinquent4.86%0.970.9975%$121,34103-31-2020$273,666$92,573$181,093$176,663
October 2020$11.4M60-89 days delinquent4.86%0.970.9975%$182,01303-31-2020$273,666$92,573$181,093$176,663
November 2020$11.4M90+ days delinquent4.86%0.950.9765%$242,68306-30-2020$500,659$146,202$354,457$345,597
December 2020$11.4M90+ days delinquent4.86%0.950.9765%$303,35506-30-2020$500,659$146,202$354,457$345,597
January 2021$11.4M90+ days delinquent4.86%0.950.9765%$364,02606-30-2020$500,659$146,202$354,457$345,597
February 2021$11.4M90+ days delinquent4.86%0.950.9765%$424,69706-30-2020$500,659$146,202$354,457$345,597
March 2021$11.4M90+ days delinquent4.86%0.950.9765%$485,37206-30-2020$500,659$146,202$354,457$345,597
April 2021$11.4M90+ days delinquent4.86%0.950.9765%$546,04306-30-2020$500,659$146,202$354,457$345,597
May 2021$11.4M90+ days delinquent4.86%0.950.9765%$606,71506-30-2020$500,659$146,202$354,457$345,597
June 2021$11.3MMatured balloon, non-performing4.86%0.950.9765%$60,67106-30-2020$500,659$146,202$354,457$345,597
July 2021$11.3M30-59 days delinquent4.86%0.950.9765%$121,34306-30-2020$500,659$146,202$354,457$345,597
August 2021$11.3M60-89 days delinquent4.86%0.950.9765%$182,01506-30-2020$500,659$146,202$354,457$345,597
September 2021$11.3M90+ days delinquent4.86%0.950.9765%$242,68606-30-2020$500,659$146,202$354,457$345,597
October 2021$11.3M90+ days delinquent4.86%0.950.9765%$303,35806-30-2020$500,659$146,202$354,457$345,597
November 2021$11.3M90+ days delinquent4.86%0.950.9765%$359,55506-30-2020$500,659$146,202$354,457$345,597
December 2021$11.3M90+ days delinquent4.86%0.950.9765%$415,38206-30-2020$500,659$146,202$354,457$345,597
January 2022$11.3M90+ days delinquent4.86%0.950.9765%$470,84106-30-2020$500,659$146,202$354,457$345,597
February 2022$11.3M90+ days delinquent4.86%0.950.9765%$531,51306-30-2020$500,659$146,202$354,457$345,597
March 2022$11.3M90+ days delinquent4.86%0.950.9765%$592,18906-30-2020$500,659$146,202$354,457$345,597
April 2022$11.3M90+ days delinquent4.86%0.950.9765%$659,76106-30-2020$500,659$146,202$354,457$345,597
May 2022$11.2MMatured balloon, non-performing4.86%0.950.9765%$147,68806-30-2020$500,659$146,202$354,457$345,597
June 2022$11.1MCurrent4.86%0.950.9765%$006-30-2020$500,659$146,202$354,457$345,597
July 2022$11.1MCurrent4.86%0.950.9765%$006-30-2020$500,659$146,202$354,457$345,597
August 2022$11.0MCurrent4.86%0.710.73100%$003-31-2022$267,312$118,224$149,088$144,658
September 2022$11.0MCurrent4.86%0.930.95100%$003-31-2022$267,312$74,546$192,766$188,336
October 2022$11.0MCurrent4.86%1.031.05100%$006-30-2022$534,624$151,348$383,276$374,416
November 2022$11.0MCurrent4.86%1.031.05100%$006-30-2022$534,624$151,348$383,276$374,416
December 2022$11.0MCurrent4.86%1.031.05100%$006-30-2022$534,624$151,348$383,276$374,416
January 2023$11.0MCurrent4.86%1.001.02100%$009-30-2022$799,231$205,324$593,907$580,617
February 2023$10.9MCurrent4.86%0.991.02100%$012-31-2022$1.1M$322,832$740,874$723,154
March 2023$10.9MCurrent4.86%0.991.02100%$012-31-2022$1.1M$322,832$740,874$723,154
April 2023$10.9MCurrent4.86%0.991.02100%$012-31-2022$1.1M$322,832$740,874$723,154
May 2023$10.9MCurrent4.86%0.991.02100%$012-31-2022$1.1M$322,832$740,874$723,154
June 2023$10.9MCurrent4.86%0.991.02100%$012-31-2022$1.1M$322,832$740,874$723,154
July 2023$10.9MCurrent4.86%1.291.31100%$003-31-2023$320,056$81,391$238,665$234,235
August 2023$10.9MCurrent4.86%1.231.25100%$006-30-2023$619,633$162,957$456,676$447,816
September 2023$10.8MCurrent4.86%1.231.25100%$006-30-2023$619,633$162,957$456,676$447,816
October 2023$10.8MCurrent4.86%1.231.25100%$006-30-2023$619,633$162,957$456,676$447,816
November 2023$10.8MCurrent4.86%1.241.27100%$009-30-2023$946,302$254,569$691,733$678,443
December 2023$10.8MCurrent4.86%1.241.27100%$009-30-2023$946,302$254,569$691,733$678,443
January 2024$10.8MCurrent4.86%1.241.27100%$009-30-2023$946,302$254,569$691,733$678,443
February 2024$10.8MCurrent4.86%1.241.27100%$009-30-2023$946,302$254,569$691,733$678,443
March 2024$10.7MCurrent4.86%1.241.27100%$009-30-2023$946,302$254,569$691,733$678,443
April 2024$10.7MCurrent4.86%1.241.27100%$009-30-2023$946,302$254,569$691,733$678,443
May 2024$10.7MCurrent4.86%1.481.50100%$003-31-2024$361,271$87,391$273,880$269,450
June 2024$10.7MCurrent4.86%1.481.50100%$003-31-2024$361,271$87,391$273,880$269,450
July 2024$10.7MCurrent4.86%1.481.50100%$003-31-2024$361,271$87,391$273,880$269,450
August 2024$10.7MCurrent4.86%1.481.50100%$003-31-2024$361,271$87,391$273,880$269,450
September 2024$10.6MCurrent4.86%1.501.53100%$006-30-2024$732,051$176,006$556,045$547,185
October 2024$10.6MCurrent4.86%1.501.53100%$006-30-2024$732,051$176,006$556,045$547,185
November 2024$10.6MCurrent4.86%1.531.55100%$009-30-2024$1.1M$272,260$848,512$835,222
December 2024$10.6MCurrent4.86%1.531.55100%$009-30-2024$1.1M$272,260$848,512$835,222
January 2025$10.6MCurrent4.86%1.531.55100%$009-30-2024$1.1M$272,260$848,512$835,222
February 2025$10.6MCurrent4.86%1.571.59100%$012-31-2024$1.5M$371,924$1.2M$1.1M
March 2025$10.5MCurrent4.86%1.571.59100%$012-31-2024$1.5M$371,924$1.2M$1.1M
April 2025$10.5MCurrent4.86%1.571.59100%$012-31-2024$1.5M$371,924$1.2M$1.1M
May 2025$10.5MCurrent4.86%1.201.22100%$003-31-2025$317,041$94,477$222,564$218,134
June 2025$10.5MCurrent4.86%1.201.22100%$003-31-2025$317,041$94,477$222,564$218,134
July 2025$10.5MCurrent4.86%1.201.22100%$003-31-2025$317,041$94,477$222,564$218,134
August 2025$10.4MCurrent4.86%1.421.45100%$006-30-2025$713,634$187,013$526,621$517,761
September 2025$10.4MCurrent4.86%1.421.45100%$006-30-2025$713,634$187,013$526,621$517,761
October 2025$10.4MCurrent4.86%1.421.45100%$006-30-2025$713,634$187,013$526,621$517,761
November 2025$10.4MCurrent4.86%1.361.38100%$009-30-2025$1.1M$314,400$756,539$743,249
December 2025$10.4MCurrent4.86%1.361.38100%$009-30-2025$1.1M$314,400$756,539$743,249
January 2026$10.4MCurrent4.86%1.361.38100%$009-30-2025$1.1M$314,400$756,539$743,249
February 2026$10.3MCurrent4.86%1.151.17100%$012-31-2025$1.4M$503,697$854,505$836,785
March 2026$10.3MCurrent4.86%1.151.17100%$012-31-2025$1.4M$503,697$854,505$836,785
April 2026$10.3MCurrent4.86%1.151.17100%$012-31-2025$1.4M$503,697$854,505$836,785
May 2026$10.3MCurrent4.86%1.141.17100%$003-31-2026$324,899$112,498$212,401$207,971
June 2026$10.3MCurrent4.86%1.141.17100%$003-31-2026$324,899$112,498$212,401$207,971
July 2026$10.2MCurrent4.86%1.141.17100%$003-31-2026$324,899$112,498$212,401$207,971
August 2026$10.2MCurrent4.86%1.141.17100%$003-31-2026$324,899$112,498$212,401$207,971
September 2026$10.2MCurrent4.86%1.001.02100%$006-30-2026$590,467$218,938$371,529$362,669

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
2020-04-06Loan modified (maturity after modification 2027-12-06)
May 2020First reported 30 or more days delinquent
2020-10-14Transferred to the special servicer
2021-12-06Loan modified (maturity after modification 2027-12-06; payment after modification $67,864)
2022-06-21Returned to the master servicer

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