255 1 Street, Brooklyn

A condominium on 1 Street built in 2008, with 1.95 FAR of unused residential development rights on record under its C4-4D zoning.

255 1 Street is a condominium in Brooklyn, New York City (BBL 3009647502). The property is zoned C4-4D, on a 9,435 sq ft lot, with 12 floors and 79 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	3009647502
Borough	Brooklyn — Community District 6
Neighborhood	Park Slope
Zoning district	C4-4D
Building class	RD — condominium (what’s a building class?)
Land use	03 — Multi-family elevator buildings
Lot area	9,435 sq ft
Floors	12
Residential units	79
Year built	2008
FAR	4.07 built · 6.02 max residential · 3.4 max commercial Learn: What is FAR?
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: SAFE (latest filing 2023-01-12)

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.