400 West End Avenue, Manhattan
A 1931 elevator apartment building in the Riverside-West End Historic District Extension I historic district, on West End Avenue, zoned R10A.
400 West End Avenue is an elevator apartment building in Manhattan, New York City (BBL 1012270001). The property is zoned R10A, on a 12,770 sq ft lot, with 20 floors and 95 residential units. It was built in 1931. The lot is not inside a FEMA Special Flood Hazard Area.
Property facts
| BBL | 1012270001 |
|---|---|
| Borough | Manhattan — Community District 7 |
| Neighborhood | Upper West Side (Central) |
| ZIP code | 10024 |
| Zoning district | R10A |
| Building class | D4 — elevator apartment building (what’s a building class?) |
| Land use | 03 — Multi-family elevator buildings |
| Lot area | 12,770 sq ft |
| Floors | 20 |
| Residential units | 95 |
| Year built | 1931 |
| FAR | 14.91 built · 10 max residential · 0 max commercial Learn: What is FAR? |
| Historic district | Riverside-West End Historic District Extension I |
| 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)
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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.