Building health · BROOKLYN, NY
built 1924 · 4 stories · 35 apartments
Also known as 8411 21 Ave — one building, several doors.
Registered with the city: A21 REALTY CORP; A 21 REALTY CORP
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 Mar
Latest accepted inspection Mar 2026, defects reported: no
DOB NOW: Safety Boiler
2025 Jun
Fire safety class C · closed
Housing Maintenance Code Violations
2025 Jun
Fire safety class B
2025 Jun
Fire safety class C · closed
2025 Jun
Fire safety class C · closed
2025 Jun
Fire safety class C · closed
2025 May
MoldApt A1 class B
2025 May
Fire safety class C · closed
2025 May
Walls, floors and stairs class A · closed
2025 May
Fire safety class C · closed
2025 May
Leaks class A · closed
2025 May
Fire safetyApt A1 class C · closed
2025 May
PestsApt A1 class C · closed
2025 May
Smoke or CO detectorsApt A1 class B · closed
2025 May
Smoke or CO detectorsApt A1 class B · closed
2025 May
PlumbingApt A1 class B · closed
2025 May
MoldApt A1 class A · closed
2025 May
MoldApt A1 class A · closed
2025 May
Walls, floors and stairsApt A1 class B · closed
2025 Apr
Electrical, leaksApt A1
Housing Maintenance Code Complaints and Problems
2022 Mar
Boiler burning No. 2 oil (Rockmills MP-60), registration expired since Mar 2022
Clean Air Tracking System (boiler registrations)
2021 Apr
Failure To Post Energy Grade/Score
DOB Violations
2010 Apr
Plumbing permit, Fuel burning permit
DOB NOW: Build – Approved Permits
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
2007 Aug
Walls, floors and stairsApt A2 class C · never closed
Housing Maintenance Code Violations
2007 Aug
Walls, floors and stairsApt A2 class C · never closed
2007 Aug
Walls, floors and stairsApt A2 class C · never closed
2007 Aug
Walls, floors and stairsApt A2 class C · never closed
2007 Aug
Doors and windows class C · never closed
2005 Jul
Walls, floors and stairsApt D3 class A · never closed
2004 Jul
Walls, floors and stairsApt B3 class C · never closed
1989 Sep
Walls, floors and stairsApt B3 class A · never closed
1989 Sep
Walls, floors and stairsApt A3 class A · never closed
1989 Sep
Doors and windowsApt A3 class A · never closed
1989 Sep
Fire safetyApt A3 class B · never closed
1989 Sep
Fire safety class B · never closed
1989 Sep
Fire safety class B · never closed
1989 Sep
Structure and facade class B · never closed
1989 Sep
Fire safety class B · never closed
1989 Sep
Heat or hot water class C · paperwork · never closed
1986 Nov
Walls, floors and stairsApt D3 class A · never closed
1986 Nov
Walls, floors and stairsApt D3 class A · never closed
1986 Nov
Walls, floors and stairsApt D3 class A · never closed
1924
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.