5102 Avenue U, Brooklyn
A garage or gas station on Avenue U carrying 1.55 FAR of unused commercial development rights on record on a 257,000 sq ft lot, zoned M3-1.
5102 Avenue U is a garage or gas station in Brooklyn, New York City (BBL 3084700050). The property is zoned M3-1, on a 257,000 sq ft lot, with 5 floors and 2 residential units. It was built in 1970. The lot is inside a FEMA Special Flood Hazard Area. NYC municipal records show 4 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 3084700050 |
|---|---|
| Borough | Brooklyn — Community District 18 |
| Neighborhood | Marine Park-Mill Basin-Bergen Beach |
| Zoning district | M3-1 |
| Building class | G1 — garage or gas station (what’s a building class?) |
| Land use | 10 — Parking facilities |
| Lot area | 257,000 sq ft |
| Floors | 5 |
| Residential units | 2 |
| Year built | 1970 |
| FAR | 0.45 built · 0 max residential · 2 max commercial Learn: What is FAR? |
| Flood zone | In a FEMA Special Flood Hazard Area |
Public records
- 2 open Department of Buildings violations
- 2 open ECB (OATH) violations — $7,500 in penalties due
- 0 open Housing Preservation & Development violations
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)
Nearby on this block
Data: NYC municipal records (Departments of City Planning, Buildings, Finance) and FEMA. See our sources and methodology. Data as of 2026-07-11.