523 12th Street, Brooklyn

Apartment building · 8 units · built c. 1920 · Block 1097, Lot 48.

Building permits

No building permits on file for this lot.

Property taxes

Assessment
$1,662,750
2026–27 tax
$35,514
Market value (city estimate)
$3,695,000
Taxable value
$285,502
Assessed land
$30,150
Assessed improvements
$1,632,600

Zoning

R7A: floor area ratio 2.97 built, 4.00 allowed by base zoning.

Flood zone

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

Landmarks

Part of Park Slope Historic District (Historic District).

More construction in Park Slope

Every lot on block 1097

Umarelli: construction in New York City and Jersey City