1152 1 Avenue, Manhattan

A 1910 condominium on 1 Avenue carrying 6.53 FAR of unused residential development rights on record under its C1-9 zoning.

1152 1 Avenue is a condominium in Manhattan, New York City (BBL 1014587504). The property is zoned C1-9, on a 2,059 sq ft lot, with 5 floors and 16 residential units. It was built in 1910. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 5 open building violations for this lot as of 2026-07-05.

Property facts

BBL	1014587504
Borough	Manhattan — Community District 8
Neighborhood	Upper East Side-Lenox Hill-Roosevelt Island
ZIP code	10065
Zoning district	C1-9
Building class	RM — condominium (what’s a building class?)
Land use	04 — Mixed residential & commercial buildings
Lot area	2,059 sq ft
Floors	5
Residential units	16
Year built	1910
FAR	3.47 built · 10 max residential · 2 max commercial Learn: What is FAR?
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

2 open Department of Buildings violations
3 open ECB (OATH) violations — $1,280 in penalties due
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.