Pesticide License Exams

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.

• WSDA does not permit walk-ins. Reservations are required and can be made by calling WSDA toll-free at 877-301-4555 or email License@agr.wa.gov. 
• You may not make changes or additions to exam rosters after 12:00pm Pacific time on the business day before the exam session. Holidays are not considered business days. Please plan accordingly.
• No employer may reserve more than five spots per testing date.
• ​WSDA reserves the right to deny entry to late arrivals.
• You must be 18 years of age to apply for a license and take exams.
• You must bring your photo ID and pay all fees at the time of testing.
  • You will not be allowed to test without a government-issued ID verifying your identity, including photo, full name, and birthdate.
  • You will not be allowed to test without payment of required fees.
• After a second, third, or fourth failure of any exam, there is a mandatory 14-day waiting period before you may retest. After the fifth failure, you must wait 60 days before retesting.
• If WSDA revises or develops an exam, all affected licensees may be required to retest.
• Removing or being in possession of all or a part of a WSDA exam is prohibited.
• Payment must be made with check or money order only. Money orders can be obtained from places like the US Postal Service, Safeway, Walmart, or similar businesses.