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

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The Architect's Virtual Capitol
Explore the buildings of Capitol Hill through a historic timeline, videos and...

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A view of the Capitol Visitor Center lit up at night
The Office of Congressional Accessibility Services (OCAS) provides a variety...

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An AOC worker mowing the grass on the grounds of the U.S. Capitol
The roles and responsibilities of the Architect of the Capitol cover an...

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Black and white portrait of Benjamin Brown French
Long before the advent of Twitter, Facebook and blogs – there were journals....

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