Congressional Office Buildings
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
Cannon 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 Architect of the Capitol: Elliott Woods
Area: 671,921 square feet 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 Architect of the Capitol: David Lynn
Area: 599,675 square feet 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 Architect of the Capitol: J. George Stewart
Area: 2,375,000 square feet Associate Architects: John Harbeson, William Hough,
William Livingston, and Roy Larson
Ford House Office Building
Location: Southwest of the Capitol on a site bounded by Second Street, D Street, Third Street and Virginia Ave, S.W.
Date Occupied: 1975 Built: 1939 as the first General Federal Office Building in
Area: 585,532 s quare feet Washington.
U.S. 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 Architect of the Capitol: Elliott Woods
Area: 658,250 square feet Associate Architects: John 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 Architect of the Capitol: David Lynn
Area: 712,910 square feet 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 Architect of the Capitol: George M. White
Area: 1,019,750 square feet Associate Architects: J. Carl Warnecke and A. Eugene
Kohn