528 East 73 Street
Lenox Hill, Manhattan
Parcel ID (BBL): 1014840035
Owner: Hospital For Special Surgery
Acquired: August 21, 2019, $19.7 million
Built: 1931
Renovated: 1990
SF: 41,658
Dwelling units: 0
No. of buildings: 1
Class: Garage – Two or More Stories (G1)
Floors: 6
Transactions:
• Digby Management Company sold 524 East 73 Street, Upper East Side, Manhattan for $19.7 million to Hospital for Special Surgery on August 21, 2019.
Development:
• Prabhjit Singh filed alteration job M01379170 for 672 sqft building with 0 apartments in Lenox Hill, Manhattan, on March 31, 2026.
• Charles Adams filed alteration job M01363573 for building in Lenox Hill, Manhattan, on February 24, 2026.
• Charles Adams filed alteration job M01348121 for 46,000 sqft COM building with 0 apartments in Lenox Hill, Manhattan, on February 05, 2026.
• Melissa Kiefer filed alteration job M01292618 for building in Lenox Hill, Manhattan, on November 24, 2025.
• Melissa Kiefer filed alteration job M01207381 for 900 sqft COM building with 0 apartments in Lenox Hill, Manhattan, on April 28, 2025.
Violations:
According to city public data, the properties have received $11,280 in ECB penalties and $11,280 in OATH penalties in the last year.