House of Representatives
The Capitol complex includes three major office buildings and two annex buildings for the House of Representatives and three major office buildings for the Senate.
Although several of these buildings were named long after their construction and occupancy, their present names are used here.
The Cannon House Office Building, completed in 1908, is the oldest congressional office building as well as a significant example of the Beaux Arts style of architecture. It occupies a site south of the Capitol bounded by Independence Avenue, First Street, New Jersey Avenue, and C Street S.E.
The Longworth House Office Building
Completed in the spring of 1933, the Longworth House Office Building is the second of three office buildings constructed for the United States House of Representatives as well as a fine example of the Neo-Classical Revival style popular in the second quarter of the twentieth century. It occupies a site south of the Capitol bounded by Independence Avenue, New Jersey Avenue, C Street S.E., and South Capitol Street.
The Rayburn House Office Building, completed in early 1965, is the third of three office buildings constructed for the United States House of Representatives. It occupies a site southwest of the Capitol bounded by Independence Avenue, South Capitol Street, C Street S.W., and First Street S.W.
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The Cannon House Office Building

The Longworth House Office Building

The Rayburn House Office Building