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

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Bartholdi Fountain
In 1877 the United States paid $6,000 for an iron fountain sculpted by...

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A virtual Map of Capitol Hill from above
View a map of the U.S. Capitol and other buildings and grounds cared for by the...

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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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The United States Capitol in 1846, with its original dome designed by Charles Bulfinch
Throughout the U.S. Capitol Building’s 220-year history, there have been many...
Restoring the Dome
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.
Restoring the Dome
AOC Stonemason Repairs Olmsted Terrace
"Fountain of Light and Water" – commonly called the Bartholdi Fountain.
Decorative Painters in the Old Senate Chamber
Restoring the 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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