639 2 Avenue, Brooklyn
An office building on 2 Avenue inside a FEMA-mapped flood zone, built in 1907, zoned M3-1.
639 2 Avenue is an office building in Brooklyn, New York City (BBL 3006950001). The property is zoned M3-1, on a 72,198 sq ft lot, with 6 floors and 37 residential units. It was built in 1907. 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 | 3006950001 |
|---|---|
| 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 | 72,198 sq ft |
| Floors | 6 |
| Residential units | 37 |
| Year built | 1907 |
| FAR | 4.56 built · 0 max residential · 2 max commercial Learn: What is FAR? |
| Flood zone | In a FEMA Special Flood Hazard Area |
Public records
- 4 open Department of Buildings violations
- 0 open ECB (OATH) violations
- 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)
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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.