43 West 27th Street, Manhattan

Apartment building · 16 units · built c. 1907 · Block 829, Lot 13.

Building permits

Property taxes

Assessment
$4,279,500
2026–27 tax
$492,685
Market value (city estimate)
$9,510,000
Taxable value
$3,960,810
Assessed land
$450,000
Assessed improvements
$3,829,500

Zoning

M1-8A/R12: floor area ratio 8.51 built, 15.00 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 Madison Square North Historic District (Historic District). 19 Landmarks Preservation Commission permits are on file.

Board and land use applications

More construction in Flatiron

Every lot on block 829

Umarelli: construction in New York City and Jersey City