# 821 Riverside Drive, Manhattan

Apartment building · 6 units · built c. 1900 · Block 2135, Lot 4.

On Umarelli: https://umarelli.org/nyc/1021350004/821-riverside-drive

More construction in Washington Heights: https://umarelli.org/nyc/manhattan/washington-heights.md

Every lot on block 2135: https://umarelli.org/nyc/manhattan/2135.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $153,900
- 2026–27 tax: $17,229
- Market value (city estimate): $342,000
- Taxable value: $138,510
- Assessed land: $90,000
- Assessed improvements: $63,900

## Zoning

R8: floor area ratio 2.73 built, 6.02 allowed by base zoning.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

From New York City and Jersey City public records, refreshed within a day of each release. Sources: https://umarelli.org/sources. Methodology and corrections: https://umarelli.org/methodology