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

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View of the Capitol Christmas Tree in 2013 at night next to the Capitol Building.
The regular practice of displaying a Christmas tree on the Capitol Grounds is...

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A view of the Capitol Visitor Center lit up at night
The Office of Congressional Accessibility Services (OCAS) provides a variety...

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An AOC worker mowing the grass on the grounds of the U.S. Capitol
The roles and responsibilities of the Architect of the Capitol cover an...

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Detailed view of Piper nigrum plant
Learn how pepper, allspice, cinnamon, cloves and nutmeg became a part of our...

Doing Business with AOC