504 12th Street, Brooklyn

Two-family · built c. 1898 · Block 1099, Lot 28.

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Building permits

Permit records are unavailable right now; the map lists them once the city responds.

Property taxes

Assessment
$213,120
2026–27 tax
$9,594
Assessed land
$33,060
Assessed improvements
$180,060

Zoning

R6B: floor area ratio 1.40 built, 2.00 allowed by base zoning.

Flood zone

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

More construction in Park Slope

Every lot on block 1099

Umarelli: construction in New York City and Jersey City