Building health · BROOKLYN, NY
built 1893 · 4 stories · 16 apartments
Registered with the city: 305-307 PROSPECT OWNERS · 1 other building here list it; 305-307 PROSPECT OWNERS CORP · 1 other building here list it; 305307 PROSPECT OWNERS CORP · 1 other building here list it
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
Latest accepted inspection Apr 2026, defects reported: no
DOB NOW: Safety Boiler
2023 Aug
Boiler burning natural gas (Burnham V-906A), registration current since Aug 2023
Clean Air Tracking System (boiler registrations)
2021 Apr
Smoke or CO detectors class A
Housing Maintenance Code Violations
2021 Apr
Smoke or CO detectors class A
2021 Apr
Leaks class A
2021 Apr
Walls, floors and stairs class A
2021 Apr
Walls, floors and stairsApt 1D class B
2021 Apr
Heat or hot waterApt 1D class A
2021 Apr
Doors and windowsApt 1D class A
2021 Apr
PestsApt 1D class C
2014 May
Low Pressure Boiler never closed
DOB Violations
2013 Oct
General construction permit, Plumbing permit, Fuel burning permit, Boiler permit
DOB NOW: Build – Approved Permits
2013 Jul
General construction permit
2013 Jun
General construction permit
2013 May
Latest boiler work permit 2013 (2 on record)
DOB Permit Issuance (BIS)
2012 Oct
General construction permit
DOB NOW: Build – Approved Permits
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
2006 Apr
Plumbing permit, Heating/ventilation permit, General construction permit
DOB NOW: Build – Approved Permits
2005 Mar
Lead-based paintApt 2B class C · never closed
Housing Maintenance Code Violations
1997 Sep
Local Law 62/91 - Boilers never closed
DOB Violations
1995 Aug
Local Law 62/91 - Boilers never closed
1994 Jul
Local Law 62/91 - Boilers never closed
1893
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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