308 West 21st Street, Manhattan

Apartment building · 19 units · built c. 1900 · Block 744, Lot 46.

Building permits

Property taxes

Assessment
$2,056,950
2026–27 tax
$241,253
Market value (city estimate)
$4,571,000
Taxable value
$1,939,490
Assessed land
$137,700
Assessed improvements
$1,919,250

Zoning

R7B: floor area ratio 3.53 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 744

Umarelli: construction in New York City and Jersey City