470 West 23 Street, Manhattan

A 1920 elevator apartment building on West 23 Street with 11 open violations on record across city enforcement files.

470 West 23 Street is an elevator apartment building in Manhattan, New York City (BBL 1007200082). The property is zoned R7B, on a 2,370 sq ft lot, with 6 floors and 20 residential units. It was built in 1920. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 11 open building violations for this lot as of 2026-07-05.

Property facts

BBL	1007200082
Borough	Manhattan — Community District 4
Neighborhood	Chelsea-Hudson Yards
ZIP code	10011
Zoning district	R7B
Building class	D7 — elevator apartment building (what’s a building class?)
Land use	04 — Mixed residential & commercial buildings
Lot area	2,370 sq ft
Floors	6
Residential units	20
Year built	1920
FAR	5.85 built · 3 max residential · 0 max commercial Learn: What is FAR?
Historic district	Chelsea Historic District Extension
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

7 open Department of Buildings violations
0 open ECB (OATH) violations
4 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.