James G. Van Valkenburgh House

James G. Van Valkenburgh House is a historic home located at Chatham in Columbia County, New York. It was built in 1843 and is a Greek Revival–style residence. It is a large, 2-story, five-bay center-entrance, two-bay-deep, frame dwelling with a large $1 1/2$-story service wing. The main entry features a single-story open porch with four fluted Doric order columns and a deep entablature. Also on the property are a garage, two barns, and a well house.

It was added to the National Register of Historic Places in 2002.