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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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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Photo of Stephen T. Ayers, FAIA, LEED AP, Architect of the Capitol in front of the Capitol Building
On February 24, 2010, President Barack Obama nominated Mr. Ayers to serve as...

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Early House of Representatives Chamber (artist representation)
Too hot or too cold – there is no pleasing everyone when it comes to the right...
The U.S. Capitol Dome is undergoing a multi-year restoration.
AOC masons give much needed repair to the Olmsted Terrace walls around the Capitol Building.
A holistic approach, recognizing the delicate balance between preservation and modernization.
Caring for the iconic landmarks, buildings and grounds of Capitol Hill.
scaffold that will reach, and eventually cover, the entire Capitol Dome.
AOC Stonemason Repairs Olmsted Terrace
"Fountain of Light and Water" – commonly called the Bartholdi Fountain.
Decorative Painters in the Old Senate Chamber
scaffold that will reach, and eventually cover, the entire Capitol Dome.
The U.S. Capitol Dome is undergoing a multi-year restoration.
AOC Stonemason Repairs Olmsted Terrace
AOC masons give much needed repair to the Olmsted Terrace walls around the Capitol Building.
"Fountain of Light and Water" – commonly called the Bartholdi Fountain.
A holistic approach, recognizing the delicate balance between preservation and modernization.
Decorative Painters in the Old Senate Chamber
Caring for the iconic landmarks, buildings and grounds of Capitol Hill.
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