George Westinghouse Jones House

George Westinghouse Jones House, also known by the Welsh name of Caermarthen, is a historic home located in the Town of Niskayuna in Schenectady County, New York. It was built about 1900 and designed by the architectural firm of Rutan & Russell. It is a rambling, $2 1/2$-story gable-roofed frame residence in the Shingle Style. it features a high stone foundation, steeply pitched gable roof, a wraparound verandah, hipped roof dormers, and five tall brick chimneys. Its original owner was George Westinghouse Jones, who was a cousin of industrialist George Westinghouse and business administrator for the firm's Schenectady interests.

It was listed on the National Register of Historic Places in 2004.