211 21st Street, Brooklyn

Four-family · built c. 1930 · Block 640, Lot 52.

Building permits

Property taxes

Assessment
$471,470
2026–27 tax
$51,934
Market value (city estimate)
$1,047,711
Taxable value
$417,507
Assessed land
$67,500
Assessed improvements
$403,970

Zoning

R6B: floor area ratio 2.16 built, above the 2.00 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 Sunset Park

Every lot on block 640

Umarelli: construction in New York City and Jersey City