Building health · BROOKLYN, NY
built 1925 · 4 stories · 9 apartments
Also known as 3921 5 Ave, 507 40 St, 511 40 St, 511 40 St — one building, several doors.
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 Apr
Pests class A · paperwork
Housing Maintenance Code Violations
2026 Jan
Latest accepted inspection Jan 2026, defects reported: no
DOB NOW: Safety Boiler
2025 Sep
PL-PER Gas Piping - LL152
DOB Violations
2025 Jul
Other conditions class B
Housing Maintenance Code Violations
2025 Jun
Pests class A · paperwork
2024 Jul
MoldApt 7 class B
2024 Jul
Doors and windows class B
2024 Jul
Doors and windows class B
2024 Jul
Doors and windows class B
2024 Jul
Walls, floors and stairsApt 7 class B
2024 Jul
LeaksApt 7 class B
2024 Jul
PestsApt 7 class C
2024 Jul
Smoke or CO detectorsApt 7 class B
2024 Jul
Doors and windowsApt 7 class A
2024 Jul
Doors and windowsApt 7 class B
2024 Jul
Heat or hot water class C
2024 Jul
MoldApt 7 class A · closed
2024 Jul
Heat or hot waterApt 7 class C · closed
2024 Jul
Heat or hot water
Housing Maintenance Code Complaints and Problems
2024 Apr
Pests class A · paperwork · closed
Housing Maintenance Code Violations
2024 Jan
Walls, floors and stairs class B
2024 Jan
Walls, floors and stairs class A · closed
2024 Jan
Heat or hot water
Housing Maintenance Code Complaints and Problems
2023 Nov
Other conditions class I · paperwork · closed
Housing Maintenance Code Violations
2022 Apr
Leaks class A
2022 Apr
Walls, floors and stairs class A
2021 Oct
Fire safetyApt 7 class C
2021 Oct
LeaksApt 7 class C
2021 Oct
LeaksApt 7 class C
2021 Aug
Mold class B
2021 Aug
Walls, floors and stairs class B
2021 Aug
Leaks class B
2021 Aug
Fire safetyApt 7 class C
2021 Aug
Walls, floors and stairsApt 7 class A
2015 Sep
General construction permit
DOB NOW: Build – Approved Permits
2014 Jun
Plumbing permit, Heating/ventilation permit, General construction permit, Construction fence permit
2010 Aug
Latest boiler work permit 2010 (2 on record)
DOB Permit Issuance (BIS)
2010 Aug
Boiler permit, Plumbing permit
DOB NOW: Build – Approved Permits
2010 May
General construction permit
2008 Jan
Local Law 62/91 - Boilers never closed
DOB Violations
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
2007 Jan
Local Law 62/91 - Boilers never closed
DOB Violations
2006 Jan
Local Law 62/91 - Boilers never closed
2005 Jan
Local Law 62/91 - Boilers never closed
2004 Feb
Local Law 62/91 - Boilers never closed
2003 Oct
Construction non-hazardous · never closed
2003 Oct
Construction hazardous · never closed
2003 Mar
Local Law 62/91 - Boilers never closed
2002 Oct
Heating/ventilation permit
DOB NOW: Build – Approved Permits
2000 Mar
Fire protection permit
2000 Feb
Local Law 62/91 - Boilers never closed
DOB Violations
1998 May
Local Law 62/91 - Boilers never closed
1925
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.