730 4th Avenue, Brooklyn

Four-family · built c. 1931 · Block 648, Lot 36.

Building permits

No building permits on file for this lot.

Property taxes

Assessment
$594,450
2026–27 tax
$21,604
Market value (city estimate)
$1,321,000
Taxable value
$173,683
Assessed land
$115,650
Assessed improvements
$478,800

Zoning

M1-2D: floor area ratio 2.96 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 648

Umarelli: construction in New York City and Jersey City