Building health · BROOKLYN, NY

305 Knickerbocker Ave

built 1931 · 4 stories · 6 apartments

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.
2026 May
Latest accepted inspection May 2026, defects reported: no
DOB NOW: Safety Boiler
2024 Jul
Heat or hot waterApt 2L
Housing Maintenance Code Complaints and Problems
2023 Mar
0 open. 4 violations on record in all, 1985–2023
Housing Maintenance Code Violations
2023 Feb
Boiler burning natural gas (Burnham KIN 11), registration expired since Feb 2023
Clean Air Tracking System (boiler registrations)
2015 Oct
Low Pressure Boiler never closed
DOB Violations
2012 May
No active shed permit
DOB NOW: Build – Approved Permits
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
2005 Aug
Plumbing permit, Fire protection permit
DOB NOW: Build – Approved Permits
2005 Aug
Sign permit
2005 Aug
General construction permit
2005 Apr
Plumbing permit, Heating/ventilation permit, General construction permit, Construction fence permit
2004 Jul
Plumbing permit, Heating/ventilation permit
1995 Aug
Local Law 62/91 - Boilers never closed
DOB Violations
1993 Aug
Local Law 62/91 - Boilers never closed
1931
Built
PLUTO (tax lot data)
See all records and sources
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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