Serving Congress and the Supreme Court, preserving America's Capitol, and inspiring memorable experiences

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Old Senate Chamber
Located north of the Capitol Rotunda is the richly decorated Old Senate...

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The Summerhouse on the Capitol Grounds
A few ideas to help you in planning a visit to Capitol Hill.

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East Front of the U.S. Capitol Building
AOC’s annual Performance and Accountability Report provides the results of the...

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The AOC is responsible for nearly 600,000 square feet of windows
Architect of the Capitol Stephen T. Ayers reflects on the almost 600,000 square...

Projects

The AOC is responsible for the care and maintenance of more than 17 million square feet of buildings and 460 acres of grounds. Many of these structures are more than a century old and their constant upkeep is critical as they are working office buildings of the Congress and the Supreme Court. While some projects are highly visible, such as the restoration of the Capitol Dome; many are unseen, such as modernization of plumbing and electrical systems or refurbishment of offices.

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