# 317 West 21st Street, Manhattan

Apartment building · 20 units · built c. 1900 · Block 745, Lot 25.

On Umarelli: https://umarelli.org/nyc/1007450025/317-west-21-street

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

Every lot on block 745: https://umarelli.org/nyc/manhattan/745.md

## Building permits

- Alteration, filed Dec 6, 2021, estimated cost $5K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 lbs per square feet. Sidewalk shed shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”

## Property taxes

- Assessment: $539,100
- 2026–27 tax: $67,059
- Market value (city estimate): $1,198,000
- Taxable value: $539,100
- Assessed land: $85,500
- Assessed improvements: $453,600

## Zoning

R7B: floor area ratio 5.29 built, above the 3.00 base zoning allows, which bonuses, transfers or older rules can permit.

## 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