High Quality Content by WIKIPEDIA articles! Xavier Chevalier House is a historic home located at Cape Vincent in Jefferson County, New York. The limestone farmhouse was built in 1852 and has three sections: a front, gabled, three bay one and one half story main block; a gabled, one story side wing; and a small cinder block lean-to. Also on the property is a mid-19th century saltbox barn and a mid-19th century limestone smokehouse. It was listed on the National Register of Historic Places in 1985.