233 West 21st Street, Manhattan

Co-op · 31 units · built c. 1920 · Block 771, Lot 20.

Building permits

Property taxes

Assessment
$2,802,150
2026–27 tax
$276,309
Market value (city estimate)
$6,227,000
Taxable value
$2,399,760
Assessed land
$387,000
Assessed improvements
$2,415,150

Tax breaks

Zoning

R8B: floor area ratio 4.20 built, above the 4.00 base zoning allows, which bonuses, transfers or older rules can permit.

Flood zone

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

Recent sales

The 10 most recent of 13 open-market sales since 2016, from the Department of Finance’s sales files.

More construction in Chelsea

Every lot on block 771

Umarelli: construction in New York City and Jersey City