Contact the Independent Office of Audits and Investigations

Phone: (916) 323-7111

Email: IOAI Web Admin

Physical Address:

California Department of Transportation - Independent Office of Audits and Investigations

1304 O Street, Suite 200

Sacramento, CA 95814

Mailing Address:

California Department of Transportation - Independent Office of Audits and Investigations

Mail Station 2

P.O. Box 942874

Sacramento, CA 94274-0001

Contact the Ethics Helpline:

Phone: 1 (844) CT Ethic/ 1(844) 283-8442

Website: