# 310 West 21st Street, Manhattan

Apartment building · 8 units · built c. 1900 · Block 744, Lot 47.

On Umarelli: https://umarelli.org/nyc/1007440047/310-west-21-street

More construction in Chelsea: https://umarelli.org/nyc/manhattan/chelsea.md

Every lot on block 744: https://umarelli.org/nyc/manhattan/744.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $1,996,200
- 2026–27 tax: $80,771
- Market value (city estimate): $4,436,000
- Taxable value: $649,336
- Assessed land: $137,700
- Assessed improvements: $1,858,500

## Zoning

R7B: floor area ratio 2.12 built, 3.00 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