Syosset is a hamlet in Nassau County, New York, in the northeastern section of the Town of Oyster Bay, on the North Shore of Long Island. Syosset is an affluent upper middle class community, well known for its school district. It borders Oyster Bay and Laurel Hollow to the north, Woodbury to the east, Plainview and Hicksville to the south, and Jericho to the west. In Syosset, the median home value is $676,300.
Population: 18,829
Zip Code: 11773, 11791
Area Code: 516
Elevation: 217′
