445 West 20 Street, Manhattan

A 1931 condominium on West 20 Street with 10 open violations on record across city enforcement files.

445 West 20 Street is a condominium in Manhattan, New York City (BBL 1007187503). The property is zoned R7B, on a 20,691 sq ft lot, with 4 floors and 21 residential units. It was built in 1931. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 10 open building violations for this lot as of 2026-07-05.

Property facts

BBL	1007187503
Borough	Manhattan — Community District 4
Neighborhood	Chelsea-Hudson Yards
Zoning district	R7B
Building class	R4 — condominium (what’s a building class?)
Land use	03 — Multi-family elevator buildings
Lot area	20,691 sq ft
Floors	4
Residential units	21
Year built	1931
FAR	2.21 built · 3 max residential · 0 max commercial Learn: What is FAR?
Historic district	Chelsea Historic District
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

6 open Department of Buildings violations
4 open ECB (OATH) violations — $8,500 in penalties due
0 open Housing Preservation & Development violations
Façade safety filing status: SAFE (latest filing 2025-02-17)

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.