397 Jefferson Avenue, Brooklyn

Three-family · built c. 1915 · Block 1830, Lot 51.

Building permits

No building permits on file for this lot.

Property taxes

Assessment
$97,020
2026–27 tax
$4,990
Market value (city estimate)
$1,617,000
Taxable value
$25,148
Assessed land
$16,380
Assessed improvements
$80,640

Zoning

R6B: floor area ratio 1.60 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 Bedford-Stuyvesant

Every lot on block 1830

Umarelli: construction in New York City and Jersey City