47 9 Avenue, Manhattan

A 1923 office building in the Gansevoort Market Historic District historic district, on 9 Avenue, zoned M1-5.

47 9 Avenue is an office building in Manhattan, New York City (BBL 1007120029). The property is zoned M1-5, on a 13,531 sq ft lot, with 4 floors and 10 residential units. It was built in 1923. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 4 open building violations for this lot as of 2026-07-05.

Property facts

BBL	1007120029
Borough	Manhattan — Community District 4
Neighborhood	Chelsea-Hudson Yards
Zoning district	M1-5
Building class	O5 — office building (what’s a building class?)
Land use	05 — Commercial & office buildings
Lot area	13,531 sq ft
Floors	4
Residential units	10
Year built	1923
FAR	4.33 built · 0 max residential · 5 max commercial Learn: What is FAR?
Historic district	Gansevoort Market Historic District
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

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