323 West 80 Street
Upper West Side, Manhattan
Parcel ID (BBL): 1012440034
Owner: Kassin Sabbagh Realty
Acquired: May 29, 2026, $7 million
Debt: May 29, 2026, $9 million
Built: 1898
Renovated: 1973
SF: 9,768
Dwelling units: 9
No. of buildings: 1
Class: Fireproof (Standard Construction Without Stores) (D3)
Floors: 5
HPD Ownership Registration Information
Last registered: 2025-09-06 (expires 2026-09-01)
80Th St Realty Llc
Corporate Owner
323 W 80TH ST 2 NY, NY, 10024
Donna Deseta
Officer
323 W 80TH 2 NY, NY, 10024
80Th Street Reallty Llc
Agent
323 West 80th Street 2 New York, NY, 10024
Site Manager
Transactions:
• Kassin Sabbagh Realty borrowed $9 million from S3 Capital for 323 West 80th Street, Upper West Side, Manhattan on May 29, 2026.
• William F. DeSeta sold 323 West 80th Street, Upper West Side, Manhattan for $7 million to Kassin Sabbagh Realty on May 29, 2026.
Development:
• 323 West 80th Street Llc filed alteration job M01415315 for 500 sqft J-2 building with 9 apartments in Upper West Side, Manhattan, on June 24, 2026.
• William Desetta filed alteration job 110023377 for building with 9 apartments in Upper West Side, Manhattan, on December 17, 2007.
Violations:
According to city public data, the properties have received $750 in OATH penalties in the last year.