109 East 73 Street
Lenox Hill, Manhattan
Parcel ID (BBL): 1014080007
Owner: Buckley School
Acquired: June 16, 2023, $7.5 million
Built: 1912
SF: 12,144
Dwelling units: 17
No. of buildings: 1
Class: Fireproof (Standard Construction Without Stores) (D3)
Floors: 6
HPD Ownership Registration Information
Last registered: 2025-07-25 (expires 2026-09-01)
Magdalena Kosz
Head Officer
250 WEST 57 STREET 720 New York, NY, 10107
The Buckley School
Corporate Owner
250 WEST 57 STREET 720 New York, NY, 10107
Kosha Vkdiaz@Ajclarkenyc.Com
Officer
250 WEST 57 STREET 720 New York, NY, 10107
A.J. Clarke Real Estate Corp.
Agent
250 WEST 57 STREET 720 New York, NY, 10107
Arnesa Cekic
Site Manager
Transactions:
• Magdalene Casola sold 109 East 73rd St, Lenox Hill, Manhattan for $7.5 million to Buckley School on June 16, 2023.
Development:
• Robert Alemany filed alteration job M01417474 for 6,350 sqft J-2 building with 17 apartments in Lenox Hill, Manhattan, on June 24, 2026.
• Prabhjit Singh filed alteration job M01399263 for 8,048 sqft building with 17 apartments in Lenox Hill, Manhattan, on May 21, 2026.
• Maggie Casola filed alteration job M08007611 for 500 sqft RES building with 17 apartments in Lenox Hill, Manhattan, on September 29, 2022.
• Syed Kafeel Ahmed filed alteration job M00136409 for building with 17 apartments in Lenox Hill, Manhattan, on March 06, 2019.
• Syed Kafeel Ahmed filed alteration job M00136426 for building with 17 apartments in Lenox Hill, Manhattan, on March 06, 2019.