Computer-Based testing now available!
Exams and Study Materials
For more information, call toll-free 877-301-4555 or email license@agr.wa.gov.
Prepare for pesticide exams
Review what to expect for testing sessions and how to prepare for them.
Paper-Based Exam Registration
Request registration for a WSDA-proctored paper-based exam session.
Computer-based Exam Registration
Register for testing at a professional testing center.
Exam Locations and Directions
Testing sites, hours, and directions for WSDA-proctored exams.
Study Manuals and Pre-license Classes
WSU Urban IPM and Pesticide Safety Education
WSU maintains study manuals for most WSDA exams and conducts statewide pre-license courses in English.
Spanish Private Applicator Pre-license Classes
The WSDA Technical Service & Education (TSE) Program conducts statewide private applicator pre-license courses in Spanish every year.
Other Study Materials
- Aquatic Antifouling [PDF]
- Sewer Root Control [PDF]
- Potato Sprout Inhibitor - Contact WSDA
- No study materials required for:
- Cooling Tower.
- Sulfur Dioxide - See the Sulfur Dioxide flow chart [PDF] to determine if you need this category.
- Postharvest Treatment of Fruit and Vegetables - See the F&V flow chart [PDF] to determine if you need this category.
Additional Resources
Reciprocal Licensing
Reciprocal licensing allows those with a pesticide license from some other states to become licensed without having to take Washington State exams. See the Reciprocal Pesticide Licenses page for more information.
Professional Mosquito Control
If you intend to use or consult on the use of pesticides for mosquito control, there are specific licensing requirements. Refer to the following fact sheet for guidance.
Pesticide Licensing for Professional Mosquito Control [PDF]
Pesticide Licensing for Professional Mosquito Control [PDF]
Limited and Rancher Private Applicators
Do you only need the Private Applicator license to control weeds and/or rodents in limited situations in eastern Washington? You may qualify for a Limited Private Applicator (LPA) or Rancher Private Applicator (RPA) license.
Check out the Limited and Rancher Private Applicator webpage for further guidance.
Marijuana Production
Growers who use pesticides in the production of marijuana in Washington State must comply with specific licensing requirements. To help growers understand these licensing requirements, WSDA prepared a guidance document: Licensing Requirements to Apply Pesticides Used in Marijuana Production in Washington State
Additional information on other requirements on the production of recreational marijuana can be found on the agency's Recreational Marijuana webpage.
Additional information on other requirements on the production of recreational marijuana can be found on the agency's Recreational Marijuana webpage.