136 West 21st Street, Manhattan

School · built c. 1910 · Block 796, Lot 60.

Building permits

Property taxes

Assessment
$5,502,150
2026–27 tax
$569,214
Market value (city estimate)
$12,227,000
Taxable value
$5,247,180
Assessed land
$931,500
Assessed improvements
$4,570,650

Zoning

C6-3A: floor area ratio 12.20 built, above the 7.52 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 796

Umarelli: construction in New York City and Jersey City