Kilambi News
Monday, October 19, 2026

THE BIRCH STREET CORPORATION (Bank 2018-BNK15)

Page built October 19, 2026

Property, terms, monthly financial history and surveillance record for a loan in Bank 2018-BNK15.

Data as of loan data through September 2026; ratings as held in the dataset at 2026-10-13

← Bank 2018-BNK15 · Loan annex · CMBS market

Deal
Bank 2018-BNK15
Current balance
$1.1M (July 2026)
Share of deal
not yet reported
Status
Current
DSCR (latest)
0.00
Occupancy (latest)
0%
Scheduled maturity
2028-10-01

Property and terms

PropertyTHE BIRCH STREET CORPORATION
Address40 EAST BIRCH ST; MOUNT VERNON, NY 10552
Property typeHealthcare
Units, beds or keys25
Net rentable square feetnot yet reported
Year built1929
Year last renovated2008
Original balance$1.3M
Current balance$1.1M (July 2026)
Share of deal balancenot yet reported
Interest rate at origination4.60%
Current interest rate4.60%
Origination date09-20-2018
Original term120 months
Amortization term360 months
Interest-only periodnot yet reported
Scheduled maturity2028-10-01
Prepayment lockout endnot yet reported
Yield maintenance end03-31-2028
ServicerNCB
Loan servicernot yet reported
OriginatorNational Consumer Cooperative Bank
Current statusCurrent
Specially serviced nowNo
DefeasedNo

Valuation

BasisAmountDateSource (as filed)
At securitization$3.7M08-10-2018MAI
Most recent reported$3.7M2018-09-14MAI

Change from securitization to the most recent reported valuation: 0.0%.

Monthly history

$0$350,591$701,182$1,051,773$1,402,3642019202020212022202520260.00.71.42.22.9201920202021202220252026
MonthBalanceStatusRateDSCR (NCF)DSCR (NOI)OccupancyAdvancesFinancial period endRevenueExpensesNOINCF
November 2018$1.3MCurrent4.60%not yet reportednot yet reported95%$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
December 2018$1.3MCurrent4.60%2.672.7795%not yet reported08-10-2018$440,766$219,167$221,599$213,799
January 2019$1.3MCurrent4.60%2.672.7795%not yet reported08-10-2018$440,766$219,167$221,599$213,799
February 2019$1.3MCurrent4.60%2.672.7795%not yet reported08-10-2018$440,766$219,167$221,599$213,799
March 2019$1.3MCurrent4.60%not yet reportednot yet reported95%not yet reported05-14-2007$344,418$162,270$182,148$182,148
April 2019$1.3MCurrent4.60%not yet reportednot yet reported95%not yet reported05-14-2007$344,418$162,270$182,148$182,148
May 2019$1.3MCurrent4.60%not yet reportednot yet reported95%not yet reported05-14-2007$344,418$162,270$182,148$182,148
June 2019$1.3MCurrent4.60%not yet reportednot yet reported95%not yet reported05-14-2007$344,418$162,270$182,148$182,148
July 2019$1.3MCurrent4.60%not yet reportednot yet reported95%not yet reported05-14-2007$344,418$162,270$182,148$182,148
August 2019$1.3MCurrent4.60%not yet reportednot yet reported95%not yet reported05-14-2007$344,418$162,270$182,148$182,148
October 2019$1.3MCurrent4.60%not yet reportednot yet reported95%not yet reported05-14-2007$344,418$162,270$182,148$182,148
November 2019$1.3MCurrent4.60%not yet reportednot yet reported95%not yet reported05-14-2007$344,418$162,270$182,148$182,148
December 2019$1.3MCurrent4.60%not yet reportednot yet reported95%not yet reported05-14-2007$344,418$162,270$182,148$182,148
January 2020$1.3MCurrent4.60%0.840.8495%not yet reported07-30-2019$290,633$223,071$67,562$67,562
February 2020$1.3MCurrent4.60%0.840.8495%not yet reported07-31-2019$290,633$223,071$67,562$67,562
March 2020$1.3MCurrent4.60%0.840.8495%not yet reported07-31-2019$290,633$223,071$67,562$67,562
April 2020$1.3MCurrent4.60%0.840.8495%not yet reported07-31-2019$290,633$223,071$67,562$67,562
May 2020$1.3MCurrent4.60%0.840.8495%not yet reported07-31-2019$290,633$223,071$67,562$67,562
June 2020$1.3MCurrent4.60%0.840.8495%not yet reported07-31-2019$290,633$223,071$67,562$67,562
July 2020$1.3MCurrent4.60%0.840.8495%not yet reported07-31-2019$290,633$223,071$67,562$67,562
August 2020$1.3MCurrent4.60%0.840.8495%not yet reported07-31-2019$290,633$223,071$67,562$67,562
September 2020$1.3MCurrent4.60%0.840.8495%not yet reported07-31-2019$290,633$223,071$67,562$67,562
October 2020$1.3MCurrent4.60%0.840.8495%not yet reported07-31-2019$290,633$223,071$67,562$67,562
December 2020$1.3MCurrent4.60%0.840.8495%not yet reported07-31-2019$290,633$223,071$67,562$67,562
January 2021$1.3MCurrent4.60%0.780.7895%not yet reported07-30-2020$283,928$221,478$62,450$62,450
March 2021$1.3MCurrent4.60%0.780.7895%not yet reported07-30-2020$283,928$221,478$62,450$62,450
April 2021$1.2MCurrent4.60%0.780.7895%not yet reported07-30-2020$283,928$221,478$62,450$62,450
May 2021$1.2MCurrent4.60%0.780.7895%not yet reported07-30-2020$283,928$221,478$62,450$62,450
June 2021$1.2MCurrent4.60%0.780.7895%not yet reported07-31-2020$283,928$221,479$62,449$62,449
July 2021$1.2MCurrent4.60%0.780.7895%not yet reported07-31-2020$283,928$221,479$62,449$62,449
August 2021$1.2MCurrent4.60%0.780.7895%not yet reported07-31-2020$283,928$221,479$62,449$62,449
September 2021$1.2MCurrent4.60%0.780.7895%not yet reported07-31-2020$283,928$221,479$62,449$62,449
October 2021$1.2MCurrent4.60%0.780.7895%not yet reported07-31-2020$283,928$221,479$62,449$62,449
December 2021$1.2MCurrent4.60%0.780.7895%not yet reported07-31-2020$283,928$221,479$62,449$62,449
February 2022$1.2MCurrent4.60%0.780.7895%not yet reported07-31-2020$283,928$221,479$62,449$62,449
March 2022$1.2MCurrent4.60%0.750.75100%not yet reported07-31-2021$281,712$221,393$60,319$60,319
April 2022$1.2MCurrent4.60%0.750.75100%not yet reported07-31-2021$281,712$221,393$60,319$60,319
May 2022$1.2MCurrent4.60%0.750.75100%not yet reported07-31-2021$281,712$221,393$60,319$60,319
June 2022$1.2MCurrent4.60%0.750.75100%not yet reported07-31-2021$281,712$221,393$60,319$60,319
July 2022$1.2MCurrent4.60%0.750.75100%not yet reported07-31-2021$281,712$221,393$60,319$60,319
August 2022$1.2MCurrent4.60%0.750.75100%not yet reported07-31-2021$281,712$221,393$60,319$60,319
September 2022$1.2MCurrent4.60%0.750.75100%not yet reported07-31-2021$281,712$221,393$60,319$60,319
October 2022$1.2MCurrent4.60%0.750.75100%not yet reported07-31-2021$281,712$221,393$60,319$60,319
November 2022$1.2MCurrent4.60%0.750.75100%not yet reported07-31-2021$281,712$221,393$60,319$60,319
December 2022$1.2MCurrent4.60%0.000.000%$0not yet reported$0$0$0$0
April 2025$1.2M60-89 days delinquent4.60%0.000.000%$13,177not yet reported$0$0$0$0
August 2025$1.2M90+ days delinquent4.60%0.000.000%$19,760not yet reported$0$0$0$0
July 2026$1.1MCurrent4.60%0.000.000%$0not yet reported$0$0$0$0

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
2024-03-21Transferred to the special servicer
April 2025First reported 30 or more days delinquent
2026-03-04Returned 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.