51 Jay Street, Brooklyn

A 1905 condominium on Jay Street with 76 residential units on record, zoned M1-4/R8A.

51 Jay Street is a condominium in Brooklyn, New York City (BBL 3000317504). The property is zoned M1-4/R8A, on a 27,250 sq ft lot, with 7 floors and 76 residential units. It was built in 1905. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 8 open building violations for this lot as of 2026-07-05.

Property facts

BBL	3000317504
Borough	Brooklyn — Community District 2
Neighborhood	Downtown Brooklyn-DUMBO-Boerum Hill
ZIP code	11201
Zoning district	M1-4/R8A
Building class	R4 — condominium (what’s a building class?)
Land use	03 — Multi-family elevator buildings
Lot area	27,250 sq ft
Floors	7
Residential units	76
Year built	1905
FAR	4.14 built · 6.02 max residential · 2 max commercial Learn: What is FAR?
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

0 open Department of Buildings violations
0 open ECB (OATH) violations
8 open Housing Preservation & Development violations
Façade safety filing status: SWARMP (latest filing 2024-02-20)

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.