6401 18 Avenue, Brooklyn
A 1931 retail store building on 18 Avenue carrying 2.19 FAR of unused commercial development rights on record under its C4-2 zoning.
6401 18 Avenue is a retail store building in Brooklyn, New York City (BBL 3055470006). The property is zoned C4-2, on a 24,033 sq ft lot, with 3 floors and 2 residential units. It was built in 1931. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 54 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 3055470006 |
|---|---|
| Borough | Brooklyn — Community District 11 |
| Neighborhood | Bensonhurst |
| ZIP code | 11204 |
| Zoning district | C4-2 |
| Building class | K3 — retail store building (what’s a building class?) |
| Land use | 05 — Commercial & office buildings |
| Lot area | 24,033 sq ft |
| Floors | 3 |
| Residential units | 2 |
| Year built | 1931 |
| FAR | 1.21 built · 2.43 max residential · 3.4 max commercial Learn: What is FAR? |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
- 51 open Department of Buildings violations
- 3 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)
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.