# 415 West 21st Street, Manhattan

Single family · built c. 1843 · Block 719, Lot 31.

On Umarelli: https://umarelli.org/nyc/1007190031/415-west-21-street

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

Every lot on block 719: https://umarelli.org/nyc/manhattan/719.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $469,080
- 2026–27 tax: $21,278
- Market value (city estimate): $7,818,000
- Taxable value: $107,232
- Assessed land: $248,940
- Assessed improvements: $220,140

## Zoning

R7B: floor area ratio 1.84 built, 3.00 allowed by base zoning.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard. FEMA’s preliminary map: zone X, moderate risk: a 0.2% chance of flooding each year.

## Landmarks

Part of Chelsea Historic District (Historic District). 12 Landmarks Preservation Commission permits are on file.

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
