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Photograph of people walking outside on a Self-Guided Tour of Capitol Hill
Visitors can tour many highlights on Capitol Hill without registering.

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A group of visitors walking in in front of the Capitol Building
Building, Infrastructure, People The Architect of the Capitol is committed to...

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Fire safety in the Library of Congress Thomas Jefferson Building.
Modern technology enables the AOC to take precautions and prevent potentially...

Service Requests

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.

Capitol Building Service Request
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.)

Learn more about the services provided by the Capitol Superintendent's Office.

House Office Buildings Service Request
202.225.4141
24 hours a day, seven days a week

Learn more about the services provided by the House Superintendent's Office.

Senate Office Buildings Service Request
202.224.3141
24 hours a day, seven days a week

Learn more about the services provided by the Senate Superintendent's Office.

Library of Congress Service Request
202.707.5157
24 hours a day, seven days a week

Learn more about the services provided by Library Buildings and Grounds.

Supreme Court Buildings and Grounds
202.479.3219
(no online work request available)

Learn more about the services provided by Supreme Court Buildings and Grounds.