458 West 20 Street, Manhattan

A 1845 elevator apartment building on West 20 Street with 10 open violations on record across city enforcement files.

458 West 20 Street is an elevator apartment building in Manhattan, New York City (BBL 1007170073). The property is zoned R7B, on a 2,300 sq ft lot, with 5 floors and 19 residential units. It was built in 1845. 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	1007170073
Borough	Manhattan — Community District 4
Neighborhood	Chelsea-Hudson Yards
ZIP code	10011
Zoning district	R7B
Building class	D4 — elevator apartment building (what’s a building class?)
Land use	03 — Multi-family elevator buildings
Lot area	2,300 sq ft
Floors	5
Residential units	19
Year built	1845
FAR	2.9 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 — $47,500 in penalties due
0 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.