820 Riverside Drive, Manhattan
A 1921 walk-up apartment building on Riverside Drive carrying 3.25 FAR of unused residential development rights on record under its R8 zoning.
820 Riverside Drive is a walk-up apartment building in Manhattan, New York City (BBL 1021360013). The property is zoned R8, on a 18,375 sq ft lot, with 5 floors and 45 residential units. It was built in 1921. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 15 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 1021360013 |
|---|---|
| Borough | Manhattan — Community District 12 |
| Neighborhood | Washington Heights (South) |
| ZIP code | 10032 |
| Zoning district | R8 |
| Building class | C1 — walk-up apartment building (what’s a building class?) |
| Land use | 02 — Multi-family walk-up buildings |
| Lot area | 18,375 sq ft |
| Floors | 5 |
| Residential units | 45 |
| Year built | 1921 |
| FAR | 2.77 built · 6.02 max residential · 0 max commercial Learn: What is FAR? |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
- 0 open Department of Buildings violations
- 2 open ECB (OATH) violations — $3,600 in penalties due
- 13 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.