11 West 18th Street, Manhattan

Condominium · 8 units · built c. 1849 · Block 820, Lot 7502.

Building permits

Property taxes

Assessment
$5,422,950
2026–27 tax
$189,318
Market value (city estimate)
$12,051,000
Taxable value
$1,521,905
Assessed land
$321,750
Assessed improvements
$5,101,200
Condo units with their own tax lots
3

Zoning

C6-4A: floor area ratio 3.71 built, 10.00 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.

Landmarks

Part of Ladies' Mile Historic District (Historic District). 25 Landmarks Preservation Commission permits are on file.

Board and land use applications

More construction in Flatiron

Every lot on block 820

Umarelli: construction in New York City and Jersey City