691 4th Avenue, Brooklyn

Apartment building · 84 units · built 2025 · Block 643, Lot 1.

Building permits

Property taxes

Assessment
$1,457,100
2026–27 tax
$117,929
Market value (city estimate)
$3,238,000
Taxable value
$948,060
Assessed land
$1,457,100

Zoning

R8A: floor area ratio 8.79 built, above the 6.02 base zoning allows, which bonuses, transfers or older rules can permit.

Flood zone

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

In the news

Excavation Awaits at 179 22nd Street in South Slope, Brooklyn, New York YIMBY, Nov 4, 2024.

More construction in Sunset Park

Every lot on block 643

Umarelli: construction in New York City and Jersey City