Susan Chung Acquires Mixed-use Property At 307 Amsterdam Avenue For $4.05M From Antoinette Yanni

The property involved in this transaction is a mixed-use asset located at 307 Amsterdam Avenue in the Upper West Side. The sale was concluded at a price of $4,050,000. The asset comprises one commercial unit and three residential units, totaling 4,080 square feet, translating to a price per square foot of $992 and a price per unit of $1,012,500.

Summary of transaction details:

• Property Type: Mixed-use (1 Commercial & 3 Residential)
• Transaction Amount: $4,050,000
• Units: 4
• Square Footage: 4,080
• Price Per Unit: $1,012,500
• Price Per Square Foot: $992
• Buyer: Susan Chung
• Seller: Antoinette Yanni
• Broker: Frank Ko
• Date of Transaction: 5/28/2026

This transaction was facilitated by broker Frank Ko, representing the seller Antoinette Yanni in the sale to buyer Susan Chung.