Kilambi News
Monday, October 19, 2026

4 Mountainview Terrace (CSAIL 2019-C18 Commercial Mortgage Trust)

Page built October 19, 2026

Property, terms, monthly financial history and surveillance record for a loan in CSAIL 2019-C18 Commercial Mortgage Trust.

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

← CSAIL 2019-C18 Commercial Mortgage Trust · Loan annex · CMBS market

Deal
CSAIL 2019-C18 Commercial Mortgage Trust
Current balance
$4.9M (September 2026)
Share of deal
0.8%
Status
Matured balloon, non-performing
DSCR (latest)
not yet reported
Occupancy (latest)
not yet reported
Scheduled maturity
2029-10-06

Property and terms

Property4 Mountainview Terrace
Address4 Mountainview Terrace; Danbury, CT 06810
Property typeOffice
Units, beds or keysnot yet reported
Net rentable square feet67,255
Year built1981
Year last renovatednot yet reported
Original balance$5.6M
Current balance$4.9M (September 2026)
Share of deal balance0.8%
Interest rate at origination4.21%
Current interest rate4.21%
Origination date10-11-2019
Original term120 months
Amortization term360 months
Interest-only periodnot yet reported
Scheduled maturity2029-10-06
Prepayment lockout end01-05-2022
Yield maintenance endnot yet reported
Servicernot yet reported
Loan servicernot yet reported
OriginatorUBS AG
Current statusMatured balloon, non-performing
Specially serviced nowYes
DefeasedNo

Valuation

BasisAmountDateSource (as filed)
At securitization$8.0M09-05-2019MAI
Most recent reported$8.0M2019-09-05MAI

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

Largest tenants

TenantSquare feetLease expiration
Framework Solutions, Inc.8,27211-30-2026
Dental Associates of Connecticut, P.7,50009-30-2028
Acuren Inspection, Inc.5,99508-31-2028

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

Monthly history

$0$1,502,185$3,004,371$4,506,556$6,008,74220202021202220232024202520260.00.61.21.82.32020202120222023202420252026
MonthBalanceStatusRateDSCR (NCF)DSCR (NOI)OccupancyAdvancesFinancial period endRevenueExpensesNOINCF
December 2019$5.6Mnot yet reported4.21%1.711.71not yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
January 2020$5.6MCurrent4.21%not yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reported
February 2020$5.5MCurrent4.21%not yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reported
March 2020$5.5MCurrent4.21%not yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reported
April 2020$5.5MCurrent4.21%not yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reported
May 2020$5.5MCurrent4.21%not yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reportednot yet reported
June 2020$5.5MCurrent4.21%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
July 2020$5.5MCurrent4.21%1.701.9182%$003-31-2020$1.2M$596,213$624,577$555,867
August 2020$5.5MCurrent4.21%1.701.9182%$003-31-2020$1.2M$596,213$624,577$555,867
September 2020$5.5MCurrent4.21%1.701.9182%$003-31-2020$1.2M$596,213$624,577$555,867
October 2020$5.5MCurrent4.21%1.611.8281%$006-30-2020$1.2M$578,772$596,527$527,817
November 2020$5.5MCurrent4.21%1.611.8281%$006-30-2020$1.2M$578,772$596,527$527,817
December 2020$5.5MCurrent4.21%1.661.8789%$010-31-2020$1.2M$585,083$611,742$543,032
January 2021$5.5MCurrent4.21%1.661.8789%$010-31-2020$1.2M$585,083$611,742$543,032
February 2021$5.5MCurrent4.21%1.661.8789%$010-31-2020$1.2M$585,083$611,742$543,032
March 2021$5.4MCurrent4.21%1.661.8789%$010-31-2020$1.2M$585,083$611,742$543,032
April 2021$5.4MCurrent4.21%1.691.9085%$012-31-2020$1.2M$588,504$624,199$555,489
May 2021$5.4MCurrent4.21%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
June 2021$5.4MCurrent4.21%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
July 2021$5.4MCurrent4.21%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
August 2021$5.4MCurrent4.21%2.162.3786%$006-30-2021$1.3M$560,614$778,331$709,621
September 2021$5.4MCurrent4.21%2.162.3786%$006-30-2021$1.3M$560,614$778,331$709,621
October 2021$5.4MCurrent4.21%2.162.3786%$006-30-2021$1.3M$560,614$778,331$709,621
November 2021$5.4MCurrent4.21%2.162.3786%$006-30-2021$1.3M$560,614$778,331$709,621
December 2021$5.4MCurrent4.21%2.162.3786%$006-30-2021$1.3M$560,614$778,331$709,621
January 2022$5.4MCurrent4.21%2.162.3786%$006-30-2021$1.3M$560,614$778,331$709,621
February 2022$5.4MCurrent4.21%2.162.3786%$006-30-2021$1.3M$560,614$778,331$709,621
March 2022$5.4MCurrent4.21%2.062.2786%$012-31-2021$1.3M$559,008$745,445$676,735
April 2022$5.3MCurrent4.21%2.062.2786%$012-31-2021$1.3M$559,008$745,445$676,735
May 2022$5.3MCurrent4.21%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
June 2022$5.3MCurrent4.21%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
July 2022$5.3MCurrent4.21%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
August 2022$5.3MCurrent4.21%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
September 2022$5.3MCurrent4.21%1.912.1186%$006-30-2022$1.3M$603,117$693,198$624,488
October 2022$5.3MCurrent4.21%1.912.1186%$006-30-2022$1.3M$603,117$693,198$624,488
November 2022$5.3MCurrent4.21%1.912.1186%$006-30-2022$1.3M$603,117$693,198$624,488
December 2022$5.3MCurrent4.21%1.912.1186%$006-30-2022$1.3M$603,117$693,198$624,488
January 2023$5.3MCurrent4.21%1.902.1186%$009-30-2022$1.3M$598,852$691,919$623,209
February 2023$5.3MCurrent4.21%1.902.1186%$009-30-2022$1.3M$598,852$691,919$623,209
March 2023$5.2MCurrent4.21%1.902.1186%$009-30-2022$1.3M$598,852$691,919$623,209
April 2023$5.2MCurrent4.21%1.732.0286%$012-31-2022$1.3M$617,626$660,598$566,943
May 2023$5.2MCurrent4.21%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
June 2023$5.2MMatured balloon, non-performing4.21%not yet reportednot yet reportednot yet reported$27,306not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
July 2023$5.2MCurrent4.21%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
August 2023$5.2MCurrent4.21%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
September 2023$5.2MCurrent4.21%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
October 2023$5.2MCurrent4.21%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
November 2023$5.2MCurrent4.21%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
December 2023$5.2MCurrent4.21%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
January 2024$5.2MCurrent4.21%1.531.7486%$009-30-2023$1.2M$662,632$570,709$501,999
February 2024$5.2MCurrent4.21%1.531.7486%$009-30-2023$1.2M$662,632$570,709$501,999
March 2024$5.1MCurrent4.21%1.531.7486%$009-30-2023$1.2M$662,632$570,709$501,999
April 2024$5.1MCurrent4.21%1.531.7486%$009-30-2023$1.2M$662,632$570,709$501,999
May 2024$5.1MCurrent4.21%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
June 2024$5.1MCurrent4.21%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
July 2024$5.1MCurrent4.21%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
August 2024$5.1MCurrent4.21%1.231.4473%$003-31-2024$279,832$161,888$117,944$100,766
September 2024$5.1MCurrent4.21%1.231.4473%$003-31-2024$279,832$161,888$117,944$100,766
October 2024$5.1MCurrent4.21%1.231.4473%$003-31-2024$279,832$161,888$117,944$100,766
November 2024$5.1MCurrent4.21%1.231.4473%$003-31-2024$279,832$161,888$117,944$100,766
December 2024$5.1MCurrent4.21%1.281.4973%$006-30-2024$1.1M$604,603$487,255$418,545
January 2025$5.1MCurrent4.21%1.281.4973%$006-30-2024$1.1M$604,603$487,255$418,545
February 2025$5.0MCurrent4.21%1.281.4973%$006-30-2024$1.1M$604,603$487,255$418,545
March 2025$5.0MCurrent4.21%1.451.6648%$012-31-2024$1.2M$638,266$543,353$474,643
April 2025$5.0MCurrent4.21%1.451.6648%$012-31-2024$1.2M$638,266$543,353$474,643
May 2025$5.0MMatured balloon, non-performing4.21%not yet reportednot yet reportednot yet reported$27,307not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
June 2025$5.0M30-59 days delinquent4.21%not yet reportednot yet reportednot yet reported$54,613not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
July 2025$5.0MCurrent4.21%0.040.2551%$003-31-2025$215,681$195,410$20,271$3,093
August 2025$5.0MCurrent4.21%0.040.2551%$003-31-2025$215,681$195,410$20,271$3,093
September 2025$5.0MMatured balloon, non-performing4.21%0.040.2551%$27,30703-31-2025$215,681$195,410$20,271$3,093
October 2025$5.0M30-59 days delinquent4.21%0.350.5651%$54,61306-30-2025$883,812$700,266$183,546$114,836
November 2025$5.0M60-89 days delinquent4.21%0.350.5651%$81,92006-30-2025$883,812$700,266$183,546$114,836
December 2025$5.0M90+ days delinquent4.21%0.350.5655%$109,22706-30-2025$883,812$700,266$183,546$114,836
January 2026$5.0M30-59 days delinquent4.21%0.350.5655%$54,61406-30-2025$883,812$700,266$183,546$114,836
February 2026$4.9M30-59 days delinquent4.21%0.350.5655%$54,61306-30-2025$883,812$700,266$183,546$114,836
March 2026$4.9MMatured balloon, non-performing4.21%0.350.5655%$27,30806-30-2025$883,812$700,266$183,546$114,836
May 2026$4.9MCurrent4.21%not yet reportednot yet reportednot yet reported$0not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
June 2026$4.9MMatured balloon, non-performing4.21%not yet reportednot yet reportednot yet reported$27,307not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
July 2026$4.9M30-59 days delinquent4.21%not yet reportednot yet reportednot yet reported$54,614not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
August 2026$4.9M60-89 days delinquent4.21%not yet reportednot yet reportednot yet reported$81,921not yet reportednot yet reportednot yet reportednot yet reportednot yet reported
September 2026$4.9MMatured balloon, non-performing4.21%not yet reportednot yet reportednot yet reported$27,307not yet reportednot yet reportednot yet reportednot yet reportednot yet reported

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
June 2025First reported 30 or more days delinquent
2025-11-13Transferred to the special servicer

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