311 West 85th Street, Manhattan

Co-op · 5 units · built c. 1901 · Block 1247, Lot 26.

Building permits

Property taxes

Assessment
$875,700
2026–27 tax
$68,065
Market value (city estimate)
$1,946,000
Taxable value
$636,267
Assessed land
$459,000
Assessed improvements
$416,700

Tax breaks

Zoning

R8B: floor area ratio 3.25 built, 4.00 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 Riverside-West End Historic District Extension I (Historic District). 6 Landmarks Preservation Commission permits are on file.

More construction in Upper West Side

Every lot on block 1247

Umarelli: construction in New York City and Jersey City