Albertson is a hamlet and census-designated place (CDP) in Nassau County, New York, United States. The population was 5,182 at the 2010 census.
The first European settler was John Seren who came from Connecticut in 1644. Later Townsend Albertson started a farm and gristmill and the community became known as Albertson.In 1850, a road was built through Albertson on the lands of Isaac Underhill Willets. The road is still known as I U Willets Road. (Willets complained that Long Island has more roads than it would ever need). The Long Island Rail Road designated an Albertson train station in 1864.In 1908, the Vanderbilt Motor Parkway was built on the southern border of Albertson. In 1938, it was closed and replaced in 1940 by the Northern State Parkway, running along the northern border of Albertson.In 1946, suburbanization began with a small development by William Levitt. The last farms were developed in the mid-1960s.The Searingtown School (now in Albertson) was one of the schools involved in the landmark Supreme Court case Engel v. Vitale (1962), which disallowed government-directed prayers in public schools.