640 West End Avenue, Manhattan

A 1913 condominium on West End Avenue with 52 open violations on record across city enforcement files.

640 West End Avenue is a condominium in Manhattan, New York City (BBL 1012397501). The property is zoned R10A, on a 5,519 sq ft lot, with 12 floors and 59 residential units. It was built in 1913. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 52 open building violations for this lot as of 2026-07-05.

Property facts

BBL	1012397501
Borough	Manhattan — Community District 7
Neighborhood	Upper West Side (Central)
Zoning district	R10A
Building class	RD — condominium (what’s a building class?)
Land use	03 — Multi-family elevator buildings
Lot area	5,519 sq ft
Floors	12
Residential units	59
Year built	1913
FAR	8.54 built · 10 max residential · 0 max commercial Learn: What is FAR?
Historic district	Riverside-West End Historic District
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

16 open Department of Buildings violations
0 open ECB (OATH) violations
36 open Housing Preservation & Development violations
Façade safety filing status: SWARMP (latest filing 2022-09-30)

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.