20 Street, Brooklyn
An office building on Street inside a FEMA-mapped flood zone, built in 2023, zoned M3-1.
20 Street is an office building in Brooklyn, New York City (BBL 3006350113). The property is zoned M3-1, on a 46,209 sq ft lot, with 5 floors and 1 residential units. It was built in 2023. The lot is inside a FEMA Special Flood Hazard Area.
Property facts
| BBL | 3006350113 |
|---|---|
| Borough | Brooklyn — Community District 7 |
| Neighborhood | Sunset Park (West) |
| Zoning district | M3-1 |
| Building class | O5 — office building (what’s a building class?) |
| Land use | 05 — Commercial & office buildings |
| Lot area | 46,209 sq ft |
| Floors | 5 |
| Residential units | 1 |
| Year built | 2023 |
| FAR | 4.73 built · 0 max residential · 2 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.