5309 18 Avenue, Brooklyn
A 1931 office building on 18 Avenue with 6 residential units on record, zoned C8-2.
5309 18 Avenue is an office building in Brooklyn, New York City (BBL 3054800006). The property is zoned C8-2, on a 4,000 sq ft lot, with 6 floors and 6 residential units. It was built in 1931. The lot is not inside a FEMA Special Flood Hazard Area.
Property facts
| BBL | 3054800006 |
|---|---|
| Borough | Brooklyn — Community District 12 |
| Neighborhood | Borough Park |
| ZIP code | 11204 |
| Zoning district | C8-2 |
| Building class | O5 — office building (what’s a building class?) |
| Land use | 05 — Commercial & office buildings |
| Lot area | 4,000 sq ft |
| Floors | 6 |
| Residential units | 6 |
| Year built | 1931 |
| FAR | 4.78 built · 0 max residential · 2 max commercial Learn: What is FAR? |
| Flood zone | Not 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.