Serving Congress and the Supreme Court, preserving America's Capitol, and inspiring memorable experiences

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Cannon House Office Building
The Cannon House Office Building, completed in 1908, is the oldest...

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Prohibited Items at the U.S. Capitol Building
In order to ensure the safety of visitors and staff and to preserve the...

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

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Nitrate vault at the Library of Congress Packard Campus
The Architect of the Capitol (AOC) is responsible for managing all of the...

OIG Hotline Confidential Report

Report Fraud, Waste, or Abuse to the Architect of the Capitol, Office of Inspector General through the form below. Name and contact information will be protected as anonymous, however this allows the Inspector General to ask a follow-up question to clarify a concern or seek additional details.

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