452 West 20th Street, Manhattan

Co-op · 4 units · built c. 1853 · Block 717, Lot 70.

Building permits

Property taxes

Assessment
$1,376,100
2026–27 tax
$60,739
Market value (city estimate)
$3,058,000
Taxable value
$488,293
Assessed land
$219,600
Assessed improvements
$1,156,500

Zoning

R7B: floor area ratio 2.56 built, 3.00 allowed by base zoning.

Flood zone

Current FEMA flood map: zone X, minimal flood hazard. FEMA’s preliminary map: zone AE, high risk: a 1% chance of flooding each year, base flood elevation 10 ft (NAVD88).

Recent sales

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

Landmarks

Part of Chelsea Historic District (Historic District). 6 Landmarks Preservation Commission permits are on file.

More construction in Chelsea

Every lot on block 717

Umarelli: construction in New York City and Jersey City