623 North Railroad Ave, Staten Island
An office building on North Railroad Ave built in 1977, with 0.37 FAR of unused residential development rights on record under its R3-2 zoning.
623 North Railroad Ave is an office building in Staten Island, New York City (BBL 5033190046). The property is zoned R3-2, on a 4,570 sq ft lot, with 1 floors and 1 residential units. It was built in 1977. 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 | 5033190046 |
|---|---|
| Borough | Staten Island — Community District 2 |
| Neighborhood | Grasmere-Arrochar-South Beach-Dongan Hills |
| Zoning district | R3-2 |
| Building class | O7 — office building (what’s a building class?) |
| Land use | 05 — Commercial & office buildings |
| Lot area | 4,570 sq ft |
| Floors | 1 |
| Residential units | 1 |
| Year built | 1977 |
| FAR | 0.38 built · 0.75 max residential · 0 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)
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.