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Architect of the Capitol / FAQs

What is the Architect of the Capitol?

The Architect of the Capitol (AOC) is the federal agency responsible for the maintenance, operation, development, and preservation of the United States Capitol Complex, which includes the Capitol, the Senate and House Office Buildings, the Supreme Court Building, the Library of Congress Building, and the surrounding grounds. The AOC is also responsible for the care and maintenance of the grounds of the United States Capitol and the monuments located on them.

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