Single Family Home for sale by owner in Cold Spring Harbor, NY 11724. OPEN HOUSE 9/2, 2 to 4. Cold Spring Harbor School District 2. 12 mint rooms in 3,150 sq.ft., certified energy-efficient: 4 bedrooms, 3 bath; granite + Stainless Steel in modern kitchen; office. Open floor plan in kitchen, dining room and den. Private, secret garden back ... more.