475 9th Street, Brooklyn

Two-family · built c. 1880 · Block 1090, Lot 56.

Building permits

No building permits on file for this lot.

Property taxes

Assessment
$261,960
2026–27 tax
$8,702
Market value (city estimate)
$4,366,000
Taxable value
$43,856
Assessed land
$28,320
Assessed improvements
$233,640

Zoning

R6B: floor area ratio 1.94 built, 2.00 allowed by base zoning.

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).

More construction in Park Slope

Every lot on block 1090

Umarelli: construction in New York City and Jersey City