257 Adelphi Street, Brooklyn

Apartment building · 7 units · built c. 1855 · Block 2091, Lot 1.

Building permits

No building permits on file for this lot.

Property taxes

Assessment
$1,342,800
2026–27 tax
$13,191
Market value (city estimate)
$2,984,000
Taxable value
$106,042
Assessed land
$9,900
Assessed improvements
$1,332,900

Zoning

R6B: floor area ratio 0.92 built, 2.00 allowed by base zoning.

Flood zone

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

Landmarks

Part of Fort Greene Historic District (Historic District). 3 Landmarks Preservation Commission permits are on file.

More construction in Fort Greene

Every lot on block 2091

Umarelli: construction in New York City and Jersey City