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

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Painting depicting the Pilgrims on the deck of the ship Speedwell
This painting depicts the Pilgrims on the deck of the ship Speedwell on July...

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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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East Front of the U.S. Capitol Building
AOC’s annual Performance and Accountability Report provides the results of the...

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AOC employees plan renovations to Representative Tammy Duckworth's Office
A team of tradecrafts experts at the AOC transform an office into a completely...

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