# 355 West 21st Street, Manhattan

Two-family · built c. 1849 · Block 745, Lot 7.

On Umarelli: https://umarelli.org/nyc/1007450007/355-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 17, 2020, estimated cost $37K, described as “Install new split ac system filed in conjunction with renovation of existing 2-family.”
- Alteration, filed Dec 17, 2020, estimated cost $66K, described as “Install plumbing fixtures. Filed in conjunction with renovation to existing 2-family.”

## Property taxes

- Assessment: $343,740
- 2026–27 tax: $45,337
- Market value (city estimate): $5,729,000
- Taxable value: $228,479
- Assessed land: $173,340
- Assessed improvements: $170,400

## Zoning

R7B: floor area ratio 1.74 built, 3.00 allowed by base zoning.

## Flood zone

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

## Landmarks

Part of Chelsea Historic District (Historic District). 3 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