The Robert C. Weaver Federal Building, located at 451 Seventh Street, SW, Washington, DC, is a ten story federal office building designed by architect Marcel Breuer, a master of the modern architectural movement in the United States. The building was constructed for the Department of Housing and Urban Development. The design team for the building included Herbert Beckhard and Nolen Swinburne Associates. The builder was John McShain, Inc., under supervision of the General Services Administration. The cornerstone for the building was laid in November 1966. The building was formally opened and dedicated by Secretary Robert C. Weaver on September 9, 1968, and renamed in his honor July 11, 2000.