289 6th Avenue, Brooklyn

Two-family · built c. 1901 · Block 971, Lot 9.

Building permits

No building permits on file for this lot.

Property taxes

Assessment
$361,200
2026–27 tax
$15,140
Market value (city estimate)
$6,020,000
Taxable value
$76,300
Assessed land
$64,800
Assessed improvements
$296,400

Zoning

R6B: floor area ratio 1.78 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 Park Slope

Every lot on block 971

Umarelli: construction in New York City and Jersey City