Learn How to Hire a Private Investigator in Washington
If you need to hire a private investigator in Washington, please review this list of investigators and investigation agencies in the state. Before hiring a detective or agency, contact the appropriate state licensing authority to confirm current license information.
Washington Department of Licensing, Public Protection Unit
405 Black Lake Boulevard
P.O. Box 9649
Olympia, WA 98507-9649
Visit the Washington State Private Investigator Association