Building health · BROOKLYN, NY

233 23 St

built 1930 · 4 stories · 6 apartments
Also known as 722 5 Ave — one building, several doors.
Registered with the city: USC MANAGEMENT LLC · 8 other buildings here list it; USC 722 5TH 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 Aug
Boiler burning natural gas (Weil Mclain LGB-6), registration current since Aug 2026
Clean Air Tracking System (boiler registrations)
2026 Apr
Latest accepted inspection Apr 2026, defects reported: no
DOB NOW: Safety Boiler
2024 Mar
Walls, floors and stairs class C · closed
Housing Maintenance Code Violations
2024 Mar
Plumbing permit
DOB NOW: Build – Approved Permits
2022 Dec
Mechanical systems permit
2017 Mar
Plumbing permit, Boiler permit
2017 Mar
Heating/ventilation permit, General construction permit
2017 Feb
Latest boiler work permit 2017 (4 on record)
DOB Permit Issuance (BIS)
2015 Oct
Low Pressure Boiler never closed
DOB Violations
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
2003 Oct
Construction non-hazardous · never closed
DOB Violations
2002 Aug
Construction non-hazardous · never closed
2001 Dec
Construction non-hazardous · never closed
1999 Sep
Fuel burning permit, Boiler permit
DOB NOW: Build – Approved Permits
1992 Jan
Sign permit
1992 Jan
Sign permit
1930
Built
PLUTO (tax lot data)
See all records and sources
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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