# 411 West 21st Street, Manhattan

Co-op · 5 units · built c. 1853 · Block 719, Lot 33.

On Umarelli: https://umarelli.org/nyc/1007190033/411-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: $1,255,500
- 2026–27 tax: $79,002
- Market value (city estimate): $2,790,000
- Taxable value: $635,114
- Assessed land: $134,550
- Assessed improvements: $1,120,950

## Zoning

R7B: floor area ratio 3.11 built, above the 3.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Oct 29, 2025: $1,425,000
- Apr 27, 2020: $1,775,000, Apt 1

Open-market sales since 2016, from the Department of Finance’s sales files.

## 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