631 Hart Street, Brooklyn
A two-family home on Hart Street carrying 1.38 FAR of unused residential development rights on record on a 2,066 sq ft lot, zoned R6.
631 Hart Street is a two-family home in Brooklyn, New York City (BBL 3032170146). The property is zoned R6, on a 2,066 sq ft lot, with 2 floors and 2 residential units. It was built in 2001. The lot is not inside a FEMA Special Flood Hazard Area.
Property facts
| BBL | 3032170146 |
|---|---|
| Borough | Brooklyn — Community District 4 |
| Neighborhood | Bushwick (West) |
| Zoning district | R6 |
| Building class | B2 — two-family home (what’s a building class?) |
| Land use | 01 — One & two family buildings |
| Lot area | 2,066 sq ft |
| Floors | 2 |
| Residential units | 2 |
| Year built | 2001 |
| FAR | 1.05 built · 2.43 max residential · 0 max commercial Learn: What is FAR? |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
No open violations on record for this lot.
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.