400 3rd Avenue, Brooklyn

Commercial · built c. 1929 · Block 979, Lot 1.

Building permits

Property taxes

Assessment
$1,004,850
2026–27 tax
$82,275
Market value (city estimate)
$2,233,000
Taxable value
$758,430
Assessed land
$216,000
Assessed improvements
$788,850

Zoning

M2-1: floor area ratio 1.63 built, 2.00 allowed by base zoning.

Flood zone

Current FEMA flood map: zone X, minimal flood hazard. FEMA’s preliminary map: zone X, moderate risk: a 0.2% chance of flooding each year.

More construction in Park Slope

Every lot on block 979

Umarelli: construction in New York City and Jersey City