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

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The Summerhouse, a hexagon-shaped brick structure set into the sloping hillside of the West Front lawn on the Senate side of the U.S. Capitol Building, has offered rest and shelter to travelers for over a century.
The Summerhouse, a hexagon-shaped brick structure set into the sloping...

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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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Yellow flowers in front of the Capitol Building
The Architect of the Capitol annually publishes a wide variety of publications...

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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...

Due to its advanced age, the House of Representatives is in the early planning stages for a top-to-bottom renewal of the Cannon House Office Building. The AOC has assembled a team of in-house experts and consultants who are working with House leaders to define key aspects of the project. This initial effort will better define the estimated costs, scope of work, and potential timeline for the work. The AOC expects this initial planning to conclude in 2012. 

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