285 Union Street, Brooklyn
An one-family home on Union Street built in 2013, with 0.04 FAR of unused residential development rights on record under its R6B zoning.
285 Union Street is an one-family home in Brooklyn, New York City (BBL 3003390146). The property is zoned R6B, on a 1,960 sq ft lot, with 3 floors and 1 residential units. It was built in 2013. The lot is not inside a FEMA Special Flood Hazard Area.
Property facts
| BBL | 3003390146 |
|---|---|
| Borough | Brooklyn — Community District 6 |
| Neighborhood | Carroll Gardens-Cobble Hill-Gowanus-Red Hook |
| ZIP code | 11231 |
| Zoning district | R6B |
| Building class | A5 — one-family home (what’s a building class?) |
| Land use | 01 — One & two family buildings |
| Lot area | 1,960 sq ft |
| Floors | 3 |
| Residential units | 1 |
| Year built | 2013 |
| FAR | 1.96 built · 2 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.