6660 Avenue U, Brooklyn
Inside a FEMA-mapped flood zone, this educational facility on Avenue U carries 0.1 FAR of unused commercial development rights on record.
6660 Avenue U is an educational facility in Brooklyn, New York City (BBL 3086310021). The property is zoned C3, on a 20,264 sq ft lot, with 1 floors and 1 residential units. It was built in 2019. The lot is inside a FEMA Special Flood Hazard Area.
Property facts
| BBL | 3086310021 |
|---|---|
| Borough | Brooklyn — Community District 18 |
| Neighborhood | Marine Park-Mill Basin-Bergen Beach |
| Zoning district | C3 |
| Building class | W2 — educational facility (what’s a building class?) |
| Land use | 08 — Public facilities & institutions |
| Lot area | 20,264 sq ft |
| Floors | 1 |
| Residential units | 1 |
| Year built | 2019 |
| FAR | 0.4 built · 0.75 max residential · 0.5 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.