48 West 20th Street, Manhattan

Commercial · built c. 1855 · Block 821, Lot 71.

Building permits

Property taxes

Assessment
$793,350
2026–27 tax
$80,332
Market value (city estimate)
$1,763,000
Taxable value
$740,520
Assessed land
$220,050
Assessed improvements
$573,300

Zoning

C6-4A: floor area ratio 3.34 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). 23 Landmarks Preservation Commission permits are on file.

Board and land use applications

More construction in Flatiron

Every lot on block 821

Umarelli: construction in New York City and Jersey City