William W. Van Ness House, also known as "Talavera", is a historic home located at Claverack in Columbia County, New York. It was built in 1818 for New York State Judge William W. Van Ness and is a Federal-style residence. It is composed of a central 2-story, two-bay main block flanked by two 1+1⁄2-story wings. The wings are connected to the main house by single-story entrance hyphens. The entrance features a 2-story central portico. The property also includes three timber-frame barns and a wood-frame tool house.