Originally known as the South Portal Building , the Hubert H. Humphrey Building was dedicated on November 1 , 1977 .
The Hubert H. Humphrey Building is a low - rise Brutalist office building located in Washington , D.C. , in the United States .
Originally known as the South Portal Building , the office building       was dedicated on November 1 , 1977 .
The Hubert H. Humphrey Building is a low - rise Brutalist office building located in Washington , D.C. , in the United States .