405 91 Street, Brooklyn
An office building on 91 Street built in 1964, with 0.66 FAR of unused commercial development rights on record under its C8-2 zoning.
405 91 Street is an office building in Brooklyn, New York City (BBL 3060820035). The property is zoned C8-2, on a 7,504 sq ft lot, with 1 floors and 2 residential units. It was built in 1964. The lot is not inside a FEMA Special Flood Hazard Area.
Property facts
| BBL | 3060820035 |
|---|---|
| Borough | Brooklyn — Community District 10 |
| Neighborhood | Bay Ridge |
| ZIP code | 11209 |
| Zoning district | C8-2 |
| Building class | O1 — office building (what’s a building class?) |
| Land use | 05 — Commercial & office buildings |
| Lot area | 7,504 sq ft |
| Floors | 1 |
| Residential units | 2 |
| Year built | 1964 |
| FAR | 1.34 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)
Run a free lookupFree account — no card required
See plans & the one-time dossierWatch this propertyAlerts on new permits, violations & sales
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.