712 4th Avenue, Brooklyn

Two-family with store · built c. 1899 · Block 645, Lot 35.

Building permits

Property taxes

Assessment
$161,400
2026–27 tax
$8,387
Market value (city estimate)
$2,690,000
Taxable value
$42,268
Assessed land
$13,680
Assessed improvements
$147,720

Zoning

M1-2D: floor area ratio 2.25 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 Sunset Park

Every lot on block 645

Umarelli: construction in New York City and Jersey City