2009 Mermaid Avenue, Brooklyn
An office building on Mermaid Avenue carrying 1.26 FAR of unused residential development rights on record on a 24,802 sq ft lot, zoned R5.
2009 Mermaid Avenue is an office building in Brooklyn, New York City (BBL 3070180042). The property is zoned R5, on a 24,802 sq ft lot, with 1 floors and 1 residential units. It was built in 2006. The lot is inside a FEMA Special Flood Hazard Area.
Property facts
| BBL | 3070180042 |
|---|---|
| Borough | Brooklyn — Community District 13 |
| Neighborhood | Coney Island-Sea Gate |
| ZIP code | 11224 |
| Zoning district | R5 |
| Building class | O7 — office building (what’s a building class?) |
| Land use | 05 — Commercial & office buildings |
| Lot area | 24,802 sq ft |
| Floors | 1 |
| Residential units | 1 |
| Year built | 2006 |
| FAR | 0.24 built · 1.5 max residential · 0 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.