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

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Work Photography of a Worker repairing the Hart Roof at sunset.
Construction activities for the repair and replacement of the Hart Senate...

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A crowd of people visiting the Capitol during visitor hours
Visitor Hours for the Buildings on Capitol Hill.

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AOC employee assembling a bunch of tiny American flags for a display
Information for Small Businesses interested in doing business with the...

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Statue of John L. “Jack” Swigert, Jr.
Visitors to the Capitol are often drawn to the "big ticket" items,...

Projects

The AOC is responsible for the care and maintenance of more than 17 million square feet of buildings and 460 acres of grounds. Many of these structures are more than a century old and their constant upkeep is critical as they are working office buildings of the Congress and the Supreme Court. While some projects are highly visible, such as the restoration of the Capitol Dome; many are unseen, such as modernization of plumbing and electrical systems or refurbishment of offices.

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