274 5th Avenue, Brooklyn

Mixed use · 6 units · built c. 1921 · Block 964, Lot 39.

Building permits

Property taxes

Assessment
$1,312,650
2026–27 tax
$55,977
Market value (city estimate)
$2,917,000
Taxable value
$450,013
Assessed land
$20,250
Assessed improvements
$1,292,400

Zoning

R6A: floor area ratio 2.48 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 964

Umarelli: construction in New York City and Jersey City