Building health · MANHATTAN, NY

436 W 23 St

built 1854 · 6 stories · 5 apartments
Registered with the city: SANDBERG MANAGEMENT · 23 other buildings here list it; 436 WEST 23RD STREET TENANTS CORP; 436 WEST 23RD ST TENANTS CORP

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 Jun
Boiler burning natural gas (Rheem Rudd G100-400-1), registration current since Jun 2025
Clean Air Tracking System (boiler registrations)
2025 Jun
Pests class A · paperwork · closed
Housing Maintenance Code Violations
2012 Apr
General construction permit
DOB NOW: Build – Approved Permits
2012 Apr
Scaffold permit
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
1985 Jul
Fire safety class B · never closed
Housing Maintenance Code Violations
1854
Built
PLUTO (tax lot data)
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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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