1623 3 Avenue, Manhattan
A condominium on a 73,805 sq ft Manhattan lot on 3 Avenue, zoned C2-8.
1623 3 Avenue is a condominium in Manhattan, New York City (BBL 1015377501). The property is zoned C2-8, on a 73,805 sq ft lot, with 0 floors and 785 residential units. 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 | 1015377501 |
|---|---|
| Borough | Manhattan — Community District 8 |
| Neighborhood | Upper East Side-Yorkville |
| ZIP code | 10128 |
| Zoning district | C2-8 |
| Building class | RD — condominium (what’s a building class?) |
| Land use | 03 — Multi-family elevator buildings |
| Lot area | 73,805 sq ft |
| Floors | 0 |
| Residential units | 785 |
| FAR | 11.47 built · 10 max residential · 2 max commercial Learn: What is FAR? |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
- 1 open Department of Buildings violation
- 2 open ECB (OATH) violations — $2,400 in penalties due
- 0 open Housing Preservation & Development violations
- Façade safety filing status: SWARMP (latest filing 2026-03-31)
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)
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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.