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  YOU ARE HERE>> Architect of the Capitol/Capitol Complex/The Congressional Office Buildings
 
October 15, 2008
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The Congressional Office Buildings
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The Capitol complex includes three major office buildings and one annex building for the House of Representatives and three major office buildings for the Senate. (A map of the U.S. Capitol complex [112k] and an aerial photograph [50k] showing the locations of the congressional office buildings are available.) Although several of these buildings were named long after their construction and occupancy, their present names are used here.

U.S. House of Representatives
The Canon House Office Building
 
 
Location: Southeast of the Capitol on a site bounded by Independence Avenue, First Street, New Jersey Avenue, and C Street, S.E.
 
Date Occupied: January 1908
Area: 671,921 square feet
Architect of the Capitol: Elliott Woods
Associate Architects: John Carrère and
Thomas Hastings
Longworth House Office Building
 
Location: South of the Capitol on a site bounded by Independence Avenue, New Jersey Avenue, South Capitol Street, and C Street, S.E.
 
Date Occupied: April 1933
Area: 599,675 square feet
Architect of the Capitol: David Lynn
Associate Architects: Allied Architects 
Rayburn House Office Building
 
Location: Southwest of the Capitol on a site bounded by Independence Avenue, South Capitol Street, First Street, and C Street, S.W.
 
Date Occupied: February 1965
Area: 2,375,000 square feet
Architect of the Capitol: J. George Stewart
Associate Architects: John Harbeson, William Hough, William Livingston, and Roy Larson

Over the years, two other buildings were acquired for office space by the House of Representatives. The Congressional Hotel on C Street, obtained in 1972, was subsequently named for former Speaker Thomas P. O'Neill, Jr.; it was demolished in 2002. In 1975 a building (585,532 square feet) located at Second and D Streets originally built for the Federal Bureau of Investigation was acquired; it was subsequently named for former Minority Leader Gerald R. Ford.

United States Senate
Russell Senate Office Building
 
Location: Northeast of the Capitol on a site bounded by Constitution Avenue, First Street, Delaware Avenue, and C Street, N.E.
 
Date Occupied: March 1909
Area: 658,250 square feet
Architect of the Capitol: Elliott Woods
Associate Architects: Robert Carrère and Thomas Hastings
Dirksen Senate Office Building
 
Location: Northeast of the Capitol, adjoining the Hart Senate Office Building on a site bounded by Constitution Avenue, Second Street, First Street, and C Street, N.E.
 
Date Occupied: October 1958
Area: 712,910 square feet
Architect of the Capitol: David Lynn
Associate Architects: Otto Eggers and Daniel Higgins
Hart Senate Office Building
 
Location: Northeast of the Capitol, adjoining the Dirksen Senate Office Building on a site bounded by Constitution Avenue, Second Street, First Street, and C Street, N.E.
 
Date Occupied: November 1982
Area: 1,019,750 square feet
Architect of the Capitol: George M. White
Associate Architects: J. Carl Warnecke and A. Eugene Kohn
 

 

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