258 6th Avenue, Brooklyn

Apartment building · 7 units · built c. 1920 · Block 962, Lot 45.

Building permits

Property taxes

Assessment
$1,591,650
2026–27 tax
$80,556
Market value (city estimate)
$3,537,000
Taxable value
$647,612
Assessed land
$22,500
Assessed improvements
$1,569,150

Zoning

R6B: floor area ratio 4.22 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 962

Umarelli: construction in New York City and Jersey City