6013 20th Avenue, Brooklyn

Two-family · built c. 1925 · Block 5521, Lot 4.

Building permits

No building permits on file for this lot.

Property taxes

Assessment
$71,520
2026–27 tax
$9,009
Market value (city estimate)
$1,192,000
Taxable value
$45,403
Assessed land
$21,540
Assessed improvements
$49,980

Zoning

R5: floor area ratio 0.80 built, 1.50 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 Borough Park

Every lot on block 5521

Umarelli: construction in New York City and Jersey City