520 Ellsworth Avenue, The Bronx
A mixed residential and commercial building on Ellsworth Avenue inside a FEMA-mapped flood zone, built in 1991, zoned C3A.
520 Ellsworth Avenue is a mixed residential and commercial building in The Bronx, New York City (BBL 2054880027). The property is zoned C3A, on a 8,024 sq ft lot, with 3 floors and 7 residential units. It was built in 1991. The lot is inside a FEMA Special Flood Hazard Area. NYC municipal records show 7 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 2054880027 |
|---|---|
| Borough | The Bronx — Community District 10 |
| Neighborhood | Throgs Neck-Schuylerville |
| Zoning district | C3A |
| Building class | S5 — mixed residential and commercial building (what’s a building class?) |
| Land use | 04 — Mixed residential & commercial buildings |
| Lot area | 8,024 sq ft |
| Floors | 3 |
| Residential units | 7 |
| Year built | 1991 |
| FAR | 0.88 built · 0.75 max residential · 0.5 max commercial Learn: What is FAR? |
| Flood zone | In a FEMA Special Flood Hazard Area |
Public records
- 0 open Department of Buildings violations
- 1 open ECB (OATH) violation
- 6 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.