Contact us: Private investigators
We no longer offer in-person customer counter service at our Black Lake office. For the quickest service, log in or sign up for online account access.
Phone hours
- Monday – Friday, 9 a.m. – 4 p.m.
For questions about:
Getting or renewing your Private Investigative Agency license
Contact: State of Washington Business Licensing Service
- Phone: 360.705.6741
- Email: BLS@dor.wa.gov
Getting or renewing your Armed/Unarmed Private Investigator license or Certified Trainer license
Contact: Department of Licensing Public Protection Services Section
- Phone: 360.664.6611
- Email: security@dol.wa.gov
License Status, Regulations, and Business Practices for Private Investigative Agencies, Armed/Unarmed Private Investigators, and Certified Trainers
Contact: Department of Licensing Public Protection Services Section
- Phone: 360.664.6611
- Email: security@dol.wa.gov
For complaints only:
- Fax: 360.570.7045
- Email: bpdppsscompliance@dol.wa.gov
| Holiday | Office closed |
|---|---|
| New Year's Day | Monday, January 2, 2023 |
| Martin Luther King Day | Monday, January 16, 2023 |
| President's Day | Monday, February 20, 2023 |
| Memorial Day | Monday, May 29, 2023 |
| Freedom Day | Monday, June 19, 2023 |
| Independence Day | Tuesday, July 4, 2023 |
| Labor Day | Monday, September 4, 2023 |
| Veteran's Day | Friday, November 10, 2023 |
| Thanksgiving | Thursday, November 23, 2023 |
| Native American Heritage Day | Friday, November 24, 2023 |
| Christmas | Monday, December 25, 2023 |
| New Year's Day | Monday, January 1, 2024 |
Private investigator agencies
- Mailing address:
State of Washington
Business Licensing Service
PO Box 9034
Olympia, WA 98507-9034 - Physical location:
Armed private investigators, unarmed private investigators, and certified trainers
- Mail forms with payments to:
Private Investigator Program
Department of Licensing
PO Box 35001
Seattle, WA 98124-3401 - Mail correspondence with no payments to:
Private Investigators
Department of Licensing
PO Box 9649
Olympia, WA 98507-9649 - Physical location
Overnight mailing (FedEx, UPS, USPS)
Private Investigators Program
Department of Licensing
1125 Washington Street
Olympia, WA 98501
Related information
- Contact Department of Revenue
- Public Protection Services Complaint (English, Español, Русский, and more)
