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

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A black and white photograph of the United States Capitol in 1846.
The history of the United States Capitol Building begins in 1793. Since then,...

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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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Yellow flowers in front of the Capitol Building
The Architect of the Capitol annually publishes a wide variety of publications...

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The figure of Liberty in the Apotheosis of George Washington is depicted wearing a Liberty Cap
The liberty cap was the symbol of freedom and liberty commonly used in the 19th...

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)