290 6th Avenue, Brooklyn

Two-family · built c. 1901 · Block 970, Lot 47.

Building permits

Property taxes

Assessment
$247,200
2026–27 tax
$13,527
Market value (city estimate)
$4,120,000
Taxable value
$68,171
Assessed land
$40,200
Assessed improvements
$207,000

Zoning

R6B: floor area ratio 1.37 built, 2.00 allowed by base zoning.

Flood zone

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

More construction in Park Slope

Every lot on block 970

Umarelli: construction in New York City and Jersey City