Rexford is a hamlet in Saratoga County, New York, United States, located on the north bank of the Mohawk River. Rexford is in the Town of Clifton Park, near the southwestern town line. Its boundaries, like those of neighboring Alplaus, are unofficial and necessarily ambiguous. To the south, it is bounded by the Mohawk River and Grooms Road and to the west, Alplaus and the Schenectady County line. Route 146 (Balltown Road) and Vischer's Ferry Road, are probably a reasonable delineations of its northern and eastern boundaries. The ZIP Code is 12148.