177 9 Avenue, Manhattan

A 2008 condominium in the Chelsea Historic District historic district, on 9 Avenue, zoned R7B.

177 9 Avenue is a condominium in Manhattan, New York City (BBL 1007187501). The property is zoned R7B, on a 23,765 sq ft lot, with 7 floors and 57 residential units. It was built in 2008. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 6 open building violations for this lot as of 2026-07-05.

Property facts

BBL	1007187501
Borough	Manhattan — Community District 4
Neighborhood	Chelsea-Hudson Yards
ZIP code	10011
Zoning district	R7B
Building class	RM — condominium (what’s a building class?)
Land use	04 — Mixed residential & commercial buildings
Lot area	23,765 sq ft
Floors	7
Residential units	57
Year built	2008
FAR	6.14 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

5 open Department of Buildings violations
1 open ECB (OATH) violation
0 open Housing Preservation & Development violations
Façade safety filing status: SWARMP (latest filing 2023-02-10)

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.