Stewards of the iconic buildings and grounds of Capitol Hill since 1793.

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View of a typical Presidential inaugural ceremony.
Presidential inaugural ceremonies are perhaps the most widely known of the...

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A crowd of people visiting the Capitol during visitor hours
Please note: Many of these Capitol Hill buildings are working office buildings...

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Photo of a Capitol Power Plant chiller that's reaching the end of its life expectancy.
Fiscal Year 2016 Appropriations With the support of Congress, the Architect of...

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Cara holding her chocolate tree.
With Sprouts at the U.S. Botanic Garden, children learn about the magical world...

House Office Buildings

The first congressional office buildings were constructed immediately after the turn of the century to relieve overcrowding in the Capitol. Previously, members who wanted office space had to rent quarters or borrow space in committee rooms. The Cannon House Office Building, completed in 1908, is the oldest congressional office building, with the Longworth, Rayburn and Ford House Office Buildings being added later to house the growing Congress.

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