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

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The Architect's Virtual Capitol
Explore the buildings of Capitol Hill through a historic timeline, videos and...

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The Summerhouse on the Capitol Grounds surrounded by pink azalea flowers.
A few ideas to help you in planning a visit to Capitol Hill.

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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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Capitol Crypt, circa 1900
The term “crypt” has long referred to a space beneath the main floor of a...

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)