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.

Also on the property are three timber-frame barns and wood-frame tool house.