628 Troy Avenue, Brooklyn

Two-family · built 1945 · Block 4823, Lot 39.

Building permits

No building permits on file for this lot.

Property taxes

Assessment
$42,720
2026–27 tax
$5,297
Market value (city estimate)
$712,000
Taxable value
$26,696
Assessed land
$15,840
Assessed improvements
$26,880

Zoning

R6: floor area ratio 0.91 built, 2.43 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 Flatbush

Every lot on block 4823

Umarelli: construction in New York City and Jersey City