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

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Supreme Court of the United States
Finished and occupied in 1935, the Supreme Court building is a fitting home...

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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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Painted portrait of Dr. William Thornton
The Architect of the Capitol (AOC) is the builder and steward of America’s...

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AOC working cleaning the National Garden
The National Garden is a treasure for everyone.

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)