248 5th Avenue, Brooklyn

Apartment building · 7 units · built c. 1920 · Block 958, Lot 50.

Building permits

Property taxes

Assessment
$904,950
2026–27 tax
$20,758
Market value (city estimate)
$2,011,000
Taxable value
$166,877
Assessed land
$27,900
Assessed improvements
$877,050

Zoning

R6A: floor area ratio 2.96 built, 3.00 allowed by base zoning.

Flood zone

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

More construction in Park Slope

Every lot on block 958

Umarelli: construction in New York City and Jersey City