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Private investigators (unarmed)

Private investigators provide investigation, property loss prevention, escort, and bodyguard services. Learn how to get, renew, or update your license.
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How can we help you today?

Apply for your license Renew or update your license License fees Forms

Additional services

Exams: Private investigators

Learn how to take the exam for private investigator certified trainers and principals and read the study guide.

Laws and rules: Private investigators

View current laws and proposed rule changes for private investigators.

Frequently asked questions: Private investigators

Get answers about private investigator licenses and training.

Sign up for email updates: Private investigators (unarmed)

Get the latest licensing updates and rule changes by email. There's no cost to subscribe, and you may update or delete your email address at any time.

Get email updates

Need additional help? Here’s how to contact us.

Use the contact method that works best for you based on what you need help with.

Please note that our offices are closed on all major holidays.

License applications, renewals, regulations, and business practices

Use one of these contact methods if you have questions about private investigator licenses, regulations, or business practices:

Phone

Call us at 360-664-6611.

Our call center is open Monday through Friday, 9:00 a.m. to 4:00 p.m.

Email

Email us at security@dol.wa.gov.

Mailing addresses

Be sure you use the correct mailing address based on what you're trying to do.

Forms with payments

Private Investigator Program
Department of Licensing
PO Box 35001
Seattle, WA 98124-3401

Mail without payments

Private Investigators
Department of Licensing
PO Box 9649
Olympia, WA 98507-9649

Overnight mailing (UPS, FedEx, and USPS)

Private Investigators Program
Department of Licensing
1125 Washington Street
Olympia, WA 98501

Complaints

Use one of these contact methods to file a complaint against a person or a business, or to report unlicensed activity:

Fax

Send faxes to 360-570-7045. Be sure to include a cover sheet.

Email

Email us at bpdppsscompliance@dol.wa.gov.

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