630 51st Street, Brooklyn

Four-family · built c. 1905 · Block 801, Lot 18.

Building permits

Property taxes

Assessment
$242,100
2026–27 tax
$4,468
Market value (city estimate)
$538,000
Taxable value
$55,028
Assessed land
$63,000
Assessed improvements
$179,100

Tax breaks

Zoning

R6B: floor area ratio 1.98 built, 2.00 allowed by base zoning.

Flood zone

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

Recent sales

Open-market sales since 2016, from the Department of Finance’s sales files.

More construction in Sunset Park

Umarelli: construction in New York City and Jersey City