323 West 21st Street, Manhattan

Three-family · built c. 1865 · Block 745, Lot 22.

Building permits

No building permits on file for this lot.

Property taxes

Assessment
$1,420,020
2026–27 tax
$35,551
Market value (city estimate)
$23,667,000
Taxable value
$179,159
Assessed land
$318,060
Assessed improvements
$1,101,960

Zoning

R7B: floor area ratio 3.41 built, above the 3.00 base zoning allows, which bonuses, transfers or older rules can permit.

Flood zone

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

More construction in Chelsea

Every lot on block 745

Umarelli: construction in New York City and Jersey City