1523 Undercliff Avenue, The Bronx
A 2011 elevator apartment building on Undercliff Avenue with 49 open violations on record across city enforcement files.
1523 Undercliff Avenue is an elevator apartment building in The Bronx, New York City (BBL 2028800058). The property is zoned R7-1, on a 4,031 sq ft lot, with 8 floors and 15 residential units. It was built in 2011. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 49 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 2028800058 |
|---|---|
| Borough | The Bronx — Community District 5 |
| Neighborhood | University Heights (South)-Morris Heights |
| ZIP code | 10453 |
| Zoning district | R7-1 |
| Building class | D1 — elevator apartment building (what’s a building class?) |
| Land use | 03 — Multi-family elevator buildings |
| Lot area | 4,031 sq ft |
| Floors | 8 |
| Residential units | 15 |
| Year built | 2011 |
| FAR | 4.33 built · 3.44 max residential · 0 max commercial Learn: What is FAR? |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
- 4 open Department of Buildings violations
- 0 open ECB (OATH) violations
- 45 open Housing Preservation & Development violations
- Façade safety filing status: SAFE (latest filing 2022-04-06)
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.