Building health · BROOKLYN, NY
built 1915 · 3 stories · 2 apartments
Also known as 687 Knickerbocker Ave — one building, several doors.
Registered with the city: KTM ENTERPRISES, LLC · 1 other building here list it
Ownership transferred May 2019, no sale price · NYC Department of Finance
The building’s record over time
Filings, permits, complaints and violations from city records, newest first. Highlighted rows are unresolved and from the last year; older unresolved records are marked “never closed”. Tap any row to read it on the agency’s own site.
2025 Oct
PL-PER Gas Piping - LL152
DOB Violations
2025 Jan
Latest accepted inspection Jan 2025, defects reported: no
DOB NOW: Safety Boiler
2023 Jun
Low Pressure Boiler
DOB Violations
2023 Jun
Low Pressure Boiler
2023 Jun
Low Pressure Boiler
2023 Apr
Low Pressure Boiler
2019 May
Ownership transferred, no sale price
NYC Citywide Annualized Calendar Sales
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
2004 Mar
Plumbing permit, Heating/ventilation permit, General construction permit
DOB NOW: Build – Approved Permits
1998 Nov
Alteration permit
1998 Nov
Alteration permit
1998 Sep
Latest boiler work permit 1998
DOB Permit Issuance (BIS)
1998 Sep
Plumbing permit, Heating/ventilation permit, General construction permit, Boiler permit
DOB NOW: Build – Approved Permits
1915
Built
PLUTO (tax lot data)
Dates are the city's record dates, shown to the month.
These are city records, not an inspection by Blueflo. Every item shows its source and the date it was last checked.
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Not an inspection and not a warranty. May not be used for tenant screening — terms of use · privacy.