441 1st Street, Brooklyn

Apartment building · 8 units · built c. 1920 · Block 966, Lot 53.

Building permits

Property taxes

Assessment
$1,486,800
2026–27 tax
$27,701
Market value (city estimate)
$3,304,000
Taxable value
$222,691
Assessed land
$22,950
Assessed improvements
$1,463,850

Zoning

R6B: floor area ratio 3.20 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.

Recent sales

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

More construction in Park Slope

Every lot on block 966

Umarelli: construction in New York City and Jersey City