345 Butler Street, Brooklyn
A warehouse on a 37,500 sq ft Brooklyn lot on Butler Street, zoned M1-4/R6A, built in 1954.
345 Butler Street is a warehouse in Brooklyn, New York City (BBL 3004070041). The property is zoned M1-4/R6A, on a 37,500 sq ft lot, with 1 floors. It was built in 1954. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 3 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 3004070041 |
|---|---|
| Borough | Brooklyn — Community District 6 |
| Neighborhood | Carroll Gardens-Cobble Hill-Gowanus-Red Hook |
| ZIP code | 11217 |
| Zoning district | M1-4/R6A |
| Building class | E1 — warehouse (what’s a building class?) |
| Land use | 06 — Industrial & manufacturing |
| Lot area | 37,500 sq ft |
| Floors | 1 |
| Residential units | 0 |
| Year built | 1954 |
| FAR | 1.44 built · 3 max residential · 2 max commercial Learn: What is FAR? |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
- 3 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.