NYC DOF FY2027 Final Assessment Roll← Property Explorer

521 WEST 57TH STREET

Manhattan, NY 10019 · BBL 1010861202

Owner of record
ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Owner type
Nonprofit/Institution
Market value
$7,180,790
Assessed value
$3,231,355
Taxable value
$2,857,464
Exempt value
$0
Value band
$5M–10M
Value / unit
$7,180,790
Value / sqft
$273
Year built
1916

Classification

4
RB — Condominium - Full Building (Class 2 Site)
Property type
condo
Lot
Block 01086, Lot 1202

Units & size

Residential units
0
Commercial units
1
Total units
1
Lot area
30,125 sqft
Building area
26,289 sqft

Other lots at this address

Nearby properties

Same zip code (10019), closest by market value.

DOF is an assessment figure, not an appraisal or a sale price. Owner-of-record names for individual people are never shown publicly on this site — only business, institutional, and government owners are displayed (see the methodology page).