21 Astor Place, Manhattan

A 1892 condominium in the NoHo Historic District historic district, on Astor Place, zoned C6-2.

21 Astor Place is a condominium in Manhattan, New York City (BBL 1005457503). The property is zoned C6-2, on a 8,023 sq ft lot, with 11 floors and 54 residential units. It was built in 1892. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 3 open building violations for this lot as of 2026-07-05.

Property facts

BBL	1005457503
Borough	Manhattan — Community District 2
Neighborhood	Greenwich Village
ZIP code	10003
Zoning district	C6-2
Building class	RM — condominium (what’s a building class?)
Land use	04 — Mixed residential & commercial buildings
Lot area	8,023 sq ft
Floors	11
Residential units	54
Year built	1892
FAR	13.35 built · 6.02 max residential · 6 max commercial Learn: What is FAR?
Historic district	NoHo Historic District
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

3 open Department of Buildings violations
0 open ECB (OATH) violations
0 open Housing Preservation & Development violations
Façade safety filing status: SAFE (latest filing 2023-10-03)

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.