Building health · BROOKLYN, NY

336 21 St

built 1931 · 4 stories · 8 apartments
Registered with the city: 3336 21ST STREET LLC; 3336-21ST STREET 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
2025 Jun
Pests class A · paperwork · closed
Housing Maintenance Code Violations
2023 Nov
BE-EXT-LP Boiler
DOB Violations
2023 Jun
Low Pressure Boiler
2019 Nov
Low Pressure Boiler
2011 Jun
Smoke or CO detectorsApt 2 class B · never closed
Housing Maintenance Code Violations
2010 Aug
Plumbing permit, General construction permit
DOB NOW: Build – Approved Permits
2008 Jun
General construction permit
2008 Apr
Construction non-hazardous · never closed
DOB Violations
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
1991 Jul
Latest boiler work permit 1991
DOB Permit Issuance (BIS)
1991 Jul
Plumbing permit, Boiler permit
DOB NOW: Build – Approved Permits
1991 Jun
Boiler burning natural gas (Weil Mc Lain Egh 105 WEIL MC LAIN EGH 105), registration expired since Jun 1991
Clean Air Tracking System (boiler registrations)
1931
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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