311 7th Avenue, Brooklyn

Apartment building · 9 units · built c. 1888 · Block 1090, Lot 3.

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Building permits

Property taxes

Assessment
$1,304,550
2026–27 tax
$41,608
Assessed land
$20,250
Assessed improvements
$1,284,300

Zoning

R6A: floor area ratio 2.63 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 1090

Umarelli: construction in New York City and Jersey City