Building health · BROOKLYN, NY
built 1905 · 4 stories · 8 apartments
Registered with the city: 643 PROSPECT PL REATLTY LLC; 643 PROSPECT PL REALTY LLC; 643 PROSPECT PL. REALTY L.L.C.
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
Pests class A · paperwork · closed
Housing Maintenance Code Violations
2026 Apr
Fire safety class C
2026 Apr
Fire safetyApt 3L class B · closed
2026 Apr
Fire safetyApt 3L class C · closed
2026 Apr
Walls, floors and stairsApt 3R class B · closed
2026 Apr
Doors and windowsApt 3R class B · closed
2026 Apr
Fire safetyApt 3R class C · closed
2026 Apr
Smoke or CO detectorsApt 3R class B · closed
2026 Apr
Leaks class A · closed
2026 Apr
Walls, floors and stairs class A · closed
2026 Apr
Smoke or CO detectors class A · closed
2026 Apr
Other conditions class B · closed
2026 Apr
Fire safetyApt 2L class B · closed
2026 Apr
Fire safetyApt 2L class C · closed
2025 Nov
Other conditions class I · paperwork · closed
2025 Sep
Boiler burning natural gas (Peerless 64 - 09), registration current since Sep 2025
Clean Air Tracking System (boiler registrations)
2025 Aug
Latest accepted inspection Aug 2025, defects reported: no
DOB NOW: Safety Boiler
2017 Nov
Unknown class - 2
DOB Violations
2015 Mar
Low Pressure Boiler never closed
2013 Jul
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
2006 Nov
Fire safety class B · never closed
Housing Maintenance Code Violations
2006 May
Fuel burning permit
DOB NOW: Build – Approved Permits
2005 Sep
Latest boiler work permit 2005
DOB Permit Issuance (BIS)
2005 Sep
Boiler permit
DOB NOW: Build – Approved Permits
2002 Oct
General construction permit
1905
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.
Report an error · Talk to us · Look up another building
Report an error · Talk to us · Look up another building
Not an inspection and not a warranty. May not be used for tenant screening — terms of use · privacy.