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

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The Hart Senate Office Building is the third office structure designed and built to serve the United States Senate.
The Hart Senate Office Building is the third office structure designed and...

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Screenshot of Google Maps image of United States Capitol and surrounding areas.
Located at the center of Washington, D.C., the U.S. Capitol Building and other...

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Photo of the U.S. Capitol Building, West Front, Early April 2014.
A multi-phased project designed to address deferred maintenance, extend the...

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East Front Plaza Repairs
AOC is making repairs to expansion joints on the East Front Plaza of the...