The John W. McCormack State Office Building, also referred to by its address 1 Ashburton Place, is a high-rise building adjacent to the Beacon Hill neighborhood in Boston, Massachusetts. The building stands at 401 feet (122 m) with 22 floors. Construction began in 1972 and was completed in 1975. It is currently the 26th-tallest building in Boston. The architectural firm who designed the building was . The McCormack Building is notable because of its distinctive black and white façade.