520A 9th Street, Brooklyn

Two-family · built c. 1903 · Block 1093, Lot 105.

Building permits

Property taxes

Assessment
$205,560
2026–27 tax
$10,340
Market value (city estimate)
$3,426,000
Taxable value
$52,109
Assessed land
$23,700
Assessed improvements
$181,860

Zoning

R6B: floor area ratio 2.40 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.

Flood zone

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

Recent sales

Open-market sales since 2016, from the Department of Finance’s sales files.

Landmarks

Part of Park Slope Historic District Extension (Historic District). 5 Landmarks Preservation Commission permits are on file.

More construction in Park Slope

Every lot on block 1093

Umarelli: construction in New York City and Jersey City