Building health · BROOKLYN, NY
built 1927 · 3 stories · 5 apartments
Also known as 5021 5 Ave, 5023 5 Ave, 507 51 St, 509 51 St, 511 51 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
2025 Nov
Other conditions class I · paperwork · closed
2025 Nov
Low Pressure Boiler
DOB Violations
2025 Oct
Plumbing permit
DOB NOW: Build – Approved Permits
2025 Sep
PL-PER Gas Piping - LL152
DOB Violations
2025 Jun
Pests class A · paperwork
Housing Maintenance Code Violations
2024 Nov
Other conditions class I · paperwork · closed
2024 Sep
Low Pressure Boiler
DOB Violations
2024 Apr
Pests class A · paperwork · closed
Housing Maintenance Code Violations
2023 Nov
Other conditions class I · paperwork · closed
2023 Jun
Low Pressure Boiler
DOB Violations
2023 Jun
Low Pressure Boiler
2023 Jun
Low Pressure Boiler
2023 Jun
Low Pressure Boiler
2023 Apr
Low Pressure Boiler
2021 Sep
Construction class - 2
2021 Jul
Heat or hot water class C · paperwork
Housing Maintenance Code Violations
2021 May
Walls, floors and stairs class A
2021 May
Fire safety class B
2021 May
Walls, floors and stairs class A
2021 May
Fire safety class B
2021 May
Walls, floors and stairs class A
2021 May
Fire safety class B
2021 May
Smoke or CO detectors class A
2021 May
Leaks class A
2021 May
Walls, floors and stairs class A
2021 May
Walls, floors and stairs class A · paperwork
2021 May
Rubbish and cleanliness class B
2018 Dec
General construction permit
DOB NOW: Build – Approved Permits
2018 Apr
Low Pressure Boiler
DOB Violations
2017 Feb
Low Pressure Boiler
2017 Feb
Boilers class - 2
2015 Oct
Low Pressure Boiler never closed
2015 Mar
Low Pressure Boiler never closed
2014 May
Low Pressure Boiler never closed
2013 Mar
Low Pressure Boiler never closed
2011 Dec
Low Pressure Boiler never closed
2011 Dec
Low Pressure Boiler never closed
2009 Dec
Low Pressure Boiler never closed
2009 Dec
Low Pressure Boiler never closed
2009 Jan
Local Law 62/91 - Boilers never closed
2008 Nov
Plumbing permit, General construction permit
DOB NOW: Build – Approved Permits
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 Dec
Lead-based paintApt 4 class C · never closed
Housing Maintenance Code Violations
2005 Dec
Lead-based paintApt 4 class C · never closed
2005 Jan
Local Law 62/91 - Boilers never closed
DOB Violations
1999 Mar
Heat or hot water class C · never closed
Housing Maintenance Code Violations
1999 Mar
Walls, floors and stairs class A · never closed
1996 Aug
Plumbing permit, Fire protection permit
DOB NOW: Build – Approved Permits
1996 Jul
Plumbing permit, General construction permit
1993 Jan
Latest boiler work permit 1993 (2 on record)
DOB Permit Issuance (BIS)
1993 Jan
Plumbing permit, Fuel burning permit
DOB NOW: Build – Approved Permits
1991 Sep
Boiler burning natural gas (Viking Superior Corp Nb 426 VIKING SUPERIOR CORP NB 426), registration expired since Sep 1991
Clean Air Tracking System (boiler registrations)
1987 Jun
Walls, floors and stairs class B · never closed
Housing Maintenance Code Violations
1927
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.