Building health · BROOKLYN, NY

491 9 St

built 1893 · 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 Jul
Latest accepted inspection Jul 2026, defects reported: no
DOB NOW: Safety Boiler
2025 Nov
Low Pressure Boiler
DOB Violations
2024 Dec
Boiler burning natural gas (Weil-Mclain EG-75-PI), registration current since Dec 2024
Clean Air Tracking System (boiler registrations)
2015 Oct
Electrical class B · never closed
Housing Maintenance Code Violations
2008 Sep
Plumbing permit, General construction permit
DOB NOW: Build – Approved Permits
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
1982 Feb
Walls, floors and stairs class A · never closed
Housing Maintenance Code Violations
1982 Feb
Heat or hot water class A · never closed
1893
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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