# 409 West 21st Street, Manhattan

Co-op · 5 units · built c. 1853 · Block 719, Lot 34.

On Umarelli: https://umarelli.org/nyc/1007190034/409-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: $1,156,500
- 2026–27 tax: $72,768
- Market value (city estimate): $2,570,000
- Taxable value: $585,000
- Assessed land: $486,000
- Assessed improvements: $670,500

## Zoning

R7B: floor area ratio 2.87 built, 3.00 allowed by base zoning.

## Recent sales

- Dec 2, 2025: $1,520,000
- Jul 31, 2017: $1,587,500
- May 31, 2016: $1,450,000

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

## Flood zone

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

## Landmarks

Part of Chelsea Historic District (Historic District). 7 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