421 West 35 Street, Manhattan

An elevator apartment building built in 2015 on West 35 Street under R8A zoning on a 22,467 sq ft lot.

421 West 35 Street is an elevator apartment building in Manhattan, New York City (BBL 1007330023). The property is zoned R8A, on a 22,467 sq ft lot, with 12 floors and 188 residential units. It was built in 2015. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 9 open building violations for this lot as of 2026-07-05.

Property facts

BBL	1007330023
Borough	Manhattan — Community District 4
Neighborhood	Chelsea-Hudson Yards
ZIP code	10001
Zoning district	R8A
Building class	D7 — elevator apartment building (what’s a building class?)
Land use	04 — Mixed residential & commercial buildings
Lot area	22,467 sq ft
Floors	12
Residential units	188
Year built	2015
FAR	7.94 built · 6.02 max residential · 0 max commercial Learn: What is FAR?
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

1 open Department of Buildings violation
1 open ECB (OATH) violation — $830 in penalties due
7 open Housing Preservation & Development violations
Façade safety filing status: SAFE (latest filing 2023-10-05)

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.