443 West 21st Street, Manhattan

Single family · built c. 1854 · Block 719, Lot 16.

Building permits

Property taxes

Assessment
$470,100
2026–27 tax
$40,950
Market value (city estimate)
$7,835,000
Taxable value
$206,369
Assessed land
$179,280
Assessed improvements
$290,820

Zoning

R7B: floor area ratio 2.04 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). 13 Landmarks Preservation Commission permits are on file.

More construction in Chelsea

Every lot on block 719

Umarelli: construction in New York City and Jersey City