Building health · MANHATTAN, NY

423 Amsterdam Ave

built 1888 · 6 stories · 20 apartments

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 May
Latest accepted inspection May 2026, defects reported: no
DOB NOW: Safety Boiler
2025 Mar
Boiler burning natural gas (Weil-Mclain EGH-95), registration current since Mar 2025
Clean Air Tracking System (boiler registrations)
2024 Apr
Pests class A · paperwork · closed
Housing Maintenance Code Violations
2023 Nov
Other conditions class I · paperwork · closed
2019 Aug
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
2015 Mar
No active shed permit
DOB NOW: Build – Approved Permits
2010 Jul
Heating/ventilation permit
2008 Dec
Heating/ventilation permit, General construction permit
2008 Aug
Other conditions class B · never closed
Housing Maintenance Code Violations
2007 Jan
Fire protection permit
DOB NOW: Build – Approved Permits
2003 Mar
Local Law 62/91 - Boilers never closed
DOB Violations
2003 Mar
Local Law 62/91 - Boilers never closed
2002 Mar
Local Law 62/91 - Boilers never closed
2002 Mar
Local Law 62/91 - Boilers never closed
2001 Feb
Local Law 62/91 - Boilers never closed
2001 Feb
Local Law 62/91 - Boilers never closed
2001 Feb
Local Law 62/91 - Boilers never closed
2000 Feb
Local Law 62/91 - Boilers never closed
2000 Feb
Local Law 62/91 - Boilers never closed
1999 Mar
Local Law 62/91 - Boilers never closed
1999 Mar
Local Law 62/91 - Boilers never closed
1998 May
Local Law 62/91 - Boilers never closed
1998 May
Local Law 62/91 - Boilers never closed
1997 Sep
Local Law 62/91 - Boilers never closed
1997 Sep
Local Law 62/91 - Boilers never closed
1997 Sep
Local Law 62/91 - Boilers never closed
1997 Apr
Construction non-hazardous · never closed
1997 Feb
Local Law 62/91 - Boilers never closed
1997 Feb
Local Law 62/91 - Boilers never closed
1995 Aug
Local Law 62/91 - Boilers never closed
1995 Aug
Local Law 62/91 - Boilers never closed
1994 Sep
Local Law 62/91 - Boilers never closed
1994 Sep
Local Law 62/91 - Boilers never closed
1994 Sep
Local Law 62/91 - Boilers never closed
1987 Feb
Walls, floors and stairs class A · never closed
Housing Maintenance Code Violations
1987 Feb
Heat or hot water class B · never closed
1888
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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