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

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The Architect's Virtual Capitol
Explore the buildings of Capitol Hill through a historic timeline, videos and...

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View of the U.S. Capitol Building from above at dusk
In order to ensure the safety of visitors and staff and to preserve the...

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Photo of the East Front of the U.S. Capitol Building looking North to South.
AOC's annual Performance and Accountability Report (PAR) provides the results...

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Detailed view of Chrysanthemum flowers
Learn about these "Starry Eyed Daughters of the Fall" at the U.S Botanic Garden...

Trades and Areas of Practice

  • The Architect of the Capitol (AOC) is responsible for the preservation and maintenance of the stone exterior of the U.S. Capitol as well as the exteriors of all of the other buildings on Capitol Hill.
    The Architect of the Capitol (AOC) is responsible for the preservation and...
     
  • USBG Worker
    AOC gardeners care for the grounds of the Capitol Building, the Congressional...
     
  • The Architect of the Capitol’s maintenance mechanics work around the clock to ensure the facilities are always performing to the best of their ability, supporting the building occupants and visitors.
    The Architect of the Capitol’s maintenance mechanics work around the clock to...
     
  • Across Capitol Hill AOC Electricians are responsible for thousands of miles of wiring and more than 100,000 light fixtures.
    Across Capitol Hill AOC Electricians are responsible for thousands of miles of...
     

Employees in various trades such as electricians, plumbers, masons, and carpenters maintain the facilities and infrastructure in optimal condition.

Gardeners and landscapre professionals create colorful displays and care for hundreds of acres of lawns and plantings. All of these efforts are directed at making the work of the Congress, the Supreme Court, and Library of Congress – and the experience of the millions of visitors annually – as smooth, efficient and enjoyable as possible.

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