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

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Outside view of the Longworth House Office Building with a clear blue sky in the background.
Completed in the spring of 1933, the Longworth House Office Building is the...

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View of the U.S. Capitol Building from above at dusk
In order to ensure the safety of visitors and staff and to preserve the...

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Photo of the U.S. Capitol Building, West Front, Early April 2014.
A multi-phased project designed to address deferred maintenance, extend the...

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Photo of Dr. Michael Balick, Vice President and Director, Institute of Economic Botany, The New York Botanical Garden
On January 31 at noon, learn about plants used in traditional healing by...

Contact the OIG

Contact the OIG

Contact the AOC Office of Inspector General by the web, phone or mail.

By E-Mail:  Hotline@aoc-oig.org
By Mail:  
Architect of the Capitol
Office of Inspector General
499 South Capitol Street, SW, Suite 518
Washington, DC 20515
By Phone:   (202) 593-1948
By Fax:  (202) 593-0055
OIG Hotline Report: 
(202) 593-1067 (Commercial)
(877) 489-8583 (Toll Free)
Confidential Hotline Email:  Hotline@aoc-oig.org
OIG Investigations:
Paul Clark
(202) 593-1943
OIG Audits:
H. Vance Haney
(202) 593-0261