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

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Black and white picture of the Capitol being built on Capitol Hill in 1793.
The U.S. Capitol was built atop Jenkins’ Hill, now often referred to as “...

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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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AOC employee assembling a bunch of tiny American flags for a display
Information for Small Businesses interested in doing business with the...

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Warehouses in Fort Meade, Maryland store items such as statues that were once displayed on the East Front of the Capitol.
The Architect of the Capitol is responsible for managing all of the buildings...

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