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Cannon House Office Building - Washington DC

Closest Metro Stops:
Capitol South Museum Museum
Union Station Museum
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Museum Admission: Free. Open to the public during normal office hours while Congress is in session.

Museum Website: aoc.gov/capitol-buildings

Museum House Office Buildings: (202) 225-4141

Museum Address: 27 Independence Ave SE, Washington, DC 20003

Capitol South Station is the closest metro station to the Cannon House Office Building. The station is on the Orange, Blue and Silver Lines of the Metro System. From the Capitol South Station, it is approximately a 5-minute walk. Another alternative on the Red Line is Union Station, but you will have to walk a little further. Use the map shown below to find suggested routes to the Cannon House Office Building.

Cannon House Office Building in Washington DC

From Capitol South Station
Approximately 0.2 mile, 5 min
Museum Walk about 2 blocks north on First St SE.

From Union Station
Approximately 0.8 mile, 17 min
Museum Exit Union Station via the Taxi Stand/Pickup Bay.
Museum As you exit Union Station, turn left. Continue on Union Station Dr NE.
Museum Turn right at Columbus Cir NE.
Museum Continue on First St NE for 5 blocks.

Related Attractions

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Library of Congress	U.S. Capitol Building

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Cannon Building

The Cannon House Office Building is the oldest congressional office building of the three major office buildings used by the House of Representatives. It was designed by the famous New York architectural firm of Carrere & Hastings in the French inspired Beaux Arts style. While undeniably grand in its scale and materials, the design was politely deferential to the neighboring U.S. Capitol.

After the Cannon House Office Building opened in 1908 all members of the House of Representatives had an office for the first time in the nation's history. In January 9, 1908, a lottery was held to determine the initial office assignments for 333 House Members. Before this time some committee chairmen used their committee room as an office, but most members worked at their desk in the House Chamber.

Over time, the growth of congressional offices and their staffs required the construction of additional House office buildings. As a result, the New House Office Building (now the Longworth building) in 1933 and the Rayburn House Office Building in 1965 were built.

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Cannon House Office Building - Washington DC

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