520 West 145 Street, Manhattan

A 1915 elevator apartment building on West 145 Street with 17 open violations on record across city enforcement files.

520 West 145 Street is an elevator apartment building in Manhattan, New York City (BBL 1020760046). The property is zoned R7D, on a 6,700 sq ft lot, with 5 floors and 30 residential units. It was built in 1915. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 17 open building violations for this lot as of 2026-07-05.

Property facts

BBL	1020760046
Borough	Manhattan — Community District 9
Neighborhood	Hamilton Heights-Sugar Hill
ZIP code	10031
Zoning district	R7D
Building class	D3 — elevator apartment building (what’s a building class?)
Land use	03 — Multi-family elevator buildings
Lot area	6,700 sq ft
Floors	5
Residential units	30
Year built	1915
FAR	3.74 built · 4.66 max residential · 0 max commercial Learn: What is FAR?
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

3 open Department of Buildings violations
0 open ECB (OATH) violations
14 open Housing Preservation & Development violations

Violation counts as of 2026-07-05.

Absence of a record means none on file in NYC municipal records — not a certification of compliance.

The complete dossier also covers:

Buildable floor area (residential & commercial)
Recorded ownership & last sale
Recorded mortgages & open debt stack
LL97 carbon exposure by compliance period
Flood coverage percentage & base flood elevation
Climate projections for this lot
Open permits & construction pipeline
Distress signal convergence
Air rights & transferable development rights
Comparable sales (Pro)

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Data: NYC municipal records (Departments of City Planning, Buildings, Finance) and FEMA. See our sources and methodology. Data as of 2026-07-11.