5031 Flatbush Avenue, Brooklyn
Inside a FEMA-mapped flood zone, this government building on Flatbush Avenue carries 1 FAR of unused commercial development rights on record.
5031 Flatbush Avenue is a government building in Brooklyn, New York City (BBL 3085910075). The property is zoned M1-1, on a 52,591,959 sq ft lot, with 0 floors. It was built in 1930. The lot is inside a FEMA Special Flood Hazard Area.
Property facts
| BBL | 3085910075 |
|---|---|
| Borough | Brooklyn — Community District 56 |
| Neighborhood | Barren Island-Floyd Bennett Field |
| ZIP code | 11234 |
| Zoning district | M1-1 |
| Building class | Y4 — government building (what’s a building class?) |
| Land use | 08 — Public facilities & institutions |
| Lot area | 52,591,959 sq ft |
| Floors | 0 |
| Residential units | 0 |
| Year built | 1930 |
| FAR | 0 built · 0 max residential · 1 max commercial Learn: What is FAR? |
| Flood zone | 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.