Building health · BROOKLYN, NY
built 1923 · 4 stories · 6 apartments
Also known as 304 84 St, 8401 3 Ave — one building, several doors.
Registered with the city: DAFNONAS ESTATES LTD · 18 other buildings here list it; 304-308 REALTY LLC; 304-308 REALTY · 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 Feb
Latest accepted inspection Feb 2026, defects reported: yes
DOB NOW: Safety Boiler
2026 Jan
PL-PER Gas Piping - LL152
DOB Violations
2024 Jun
Boiler burning natural gas (Weil Mclain EGH-95), registration current since Jun 2024
Clean Air Tracking System (boiler registrations)
2020 Jul
Leaks class A
Housing Maintenance Code Violations
2020 Jul
Smoke or CO detectors class A
2020 Jul
Walls, floors and stairs class A · paperwork
2020 Jul
Smoke or CO detectors class A
2019 Nov
Heat or hot water class C · paperwork
2019 Sep
No active shed permit; permits since Nov 2018, last expired Sep 2019
DOB NOW: Build – Approved Permits
2018 Nov
General construction permit
2018 Apr
Low Pressure Boiler
DOB Violations
2015 Apr
Doors and windowsApt 6 class C · never closed
Housing Maintenance Code Violations
2014 May
Low Pressure Boiler never closed
DOB Violations
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
1923
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.