740 4th Avenue, Brooklyn

Mixed use · 5 units · built c. 1931 · Block 648, Lot 42.

Building permits

Property taxes

Assessment
$586,800
2026–27 tax
$7,305
Market value (city estimate)
$1,304,000
Taxable value
$58,725
Assessed land
$9,000
Assessed improvements
$577,800

Tax breaks

Zoning

M1-2D: floor area ratio 3.45 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