320 5th Avenue, Brooklyn

Two-family with store · built c. 1925 · Block 974, Lot 42.

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Building permits

Property taxes

Assessment
$139,320
2026–27 tax
$17,350
Assessed land
$30,660
Assessed improvements
$108,660

Zoning

R6A: floor area ratio 1.40 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 974

Umarelli: construction in New York City and Jersey City