163 23rd Street, Brooklyn

Two-family · built c. 1899 · Block 645, Lot 48.

Building permits

Property taxes

Assessment
$94,080
2026–27 tax
$5,267
Market value (city estimate)
$1,568,000
Taxable value
$26,544
Assessed land
$20,280
Assessed improvements
$73,800

Zoning

M1-2D: floor area ratio 1.08 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.

More construction in Sunset Park

Every lot on block 645

Umarelli: construction in New York City and Jersey City