Building health · BROOKLYN, NY
built 1931 · 4 stories · 6 apartments
Also known as 5923 4 Ave — one building, several doors.
Registered with the city: 5923 REALTY LLC
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 Sep
Latest accepted inspection Sep 2026, defects reported: no
DOB NOW: Safety Boiler
2026 Aug
Walls, floors and stairsApt 3L class A
Housing Maintenance Code Violations
2026 Aug
LeaksApt 3L class B
2026 Aug
LeaksApt 3L
Housing Maintenance Code Complaints and Problems
2026 Apr
Pests class A · paperwork · closed
Housing Maintenance Code Violations
2025 Nov
Low Pressure Boiler
DOB Violations
2025 Jun
Pests class A · paperwork · closed
Housing Maintenance Code Violations
2025 Apr
Fire safetyApt 3R class C
2024 Apr
Pests class A · paperwork · closed
2024 Jan
Outside the building
Housing Maintenance Code Complaints and Problems
2024 Jan
Safety, pestsApt 2R
2023 Jun
Low Pressure Boiler
DOB Violations
2023 Jun
Low Pressure Boiler
2023 Apr
Low Pressure Boiler
2022 Feb
Mechanical systems permit, General construction permit
DOB NOW: Build – Approved Permits
2022 Jan
MoldApt 3L class B
Housing Maintenance Code Violations
2022 Jan
Walls, floors and stairsApt 3L class A
2022 Jan
PestsApt 3L class C
2022 Jan
PestsApt 3L class C
2022 Jan
Smoke or CO detectorsApt 3L class B
2022 Jan
Smoke or CO detectorsApt 3L class B
2022 Jan
Doors and windowsApt 3L class C
2022 Jan
Walls, floors and stairsApt 3L class B
2022 Jan
LeaksApt 3L class B
2022 Jan
Walls, floors and stairsApt 3L class B
2022 Jan
LeaksApt 3L class B
2019 Apr
Walls, floors and stairs class A · paperwork
2017 Apr
Doors and windows class B
2017 Apr
Walls, floors and stairs class A · paperwork
2015 Sep
Electrical class B · never closed
2015 Mar
Low Pressure Boiler never closed
DOB Violations
2012 Apr
Doors and windowsApt 4R class C · never closed
Housing Maintenance Code Violations
2010 Jun
Doors and windows class B · never closed
2010 Jun
Lead-based paintApt 4R class C · never closed
2010 Jun
Smoke or CO detectorsApt 2R class B · never closed
2010 Jun
Smoke or CO detectors class A · never closed
2010 Jun
Smoke or CO detectorsApt 4R class B · never closed
2009 May
Walls, floors and stairsApt 4L class A · never closed
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
2002 Nov
General construction permit
DOB NOW: Build – Approved Permits
2000 May
Latest boiler work permit 2000
DOB Permit Issuance (BIS)
2000 May
Plumbing permit, Boiler permit
DOB NOW: Build – Approved Permits
2000 May
Boiler burning natural gas (Weil Mclain Lgb-7 WEIL MCLAIN LGB-7), registration expired since May 2000
Clean Air Tracking System (boiler registrations)
1992 Aug
Plumbing permit, General construction permit
DOB NOW: Build – Approved Permits
1931
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.