45-17 21st Street, Queens

Condominium · 9 units · built c. 1900 · Block 77, Lot 7501.

Building permits

Property taxes

Assessment
$1,514,705
2026–27 tax
$35,597
Market value (city estimate)
$3,366,001
Taxable value
$282,006
Assessed land
$38,253
Assessed improvements
$1,476,452
Condo units with their own tax lots
10

Zoning

R6A: floor area ratio 2.96 built, 3.00 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.

Recent sales

Open-market sales since 2016, from the Department of Finance’s sales files.

More construction in Long Island City

Every lot on block 77

Umarelli: construction in New York City and Jersey City