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

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In the late 19th century the architectural style of the Thomas Jefferson Building was said to be "Italian Renaissance." Today, it is recognized as a premier example of the Beaux Arts style, which is theatrical, heavily ornamented and kinetic. It is a style perfectly suited to a young, wealthy, and imperialistic nation in its Gilded Age.
The Library of Congress began in 1800 with a small appropriation to buy...

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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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East Front of the U.S. Capitol Building
AOC’s annual Performance and Accountability Report provides the results of the...

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

Service Requests

Service Requests

AOC electrician

Employees on Capitol Hill can find contact information and links here to their AOC superintendent's office to submit service requests. You must be using a computer connected to the Capitol Hill network to access these links.

202.228.8800
Monday-Friday 6:00 AM - 11:00 PM*
Saturday-Sunday 8:00 AM-4:30 PM* (*Will remain open if Congress is in session.)
202.225.4141
24 hours a day, seven days a week
202.224.3141
24 hours a day, seven days a week
202.707.5157
24 hours a day, seven days a week
Supreme Court Buildings and Grounds
202.479.3219
(no online work request available)