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

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Capitol Rotunda
The U.S. Capitol Rotunda is a large, domed, circular room located 96 feet in...

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Prohibited Items at the U.S. Capitol Building
In order to ensure the safety of visitors and staff and to preserve the...

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Caring for the National Garden
The Architect of the Capitol magazine, Foundations & Perspectives,...

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The figure of Liberty in the Apotheosis of George Washington is depicted wearing a Liberty Cap
The liberty cap was the symbol of freedom and liberty commonly used in the 19th...

Trades and Areas of Practice

  • Masonry
    The Architect of the Capitol (AOC) is responsible for the preservation and...
     
  • Gardeners
    AOC gardeners care for the grounds of the Capitol Building, the Congressional...
     
  • Maintenance Mechanics
    The Architect of the Capitol’s maintenance mechanics work around the clock to...
     
  • Electrical
    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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