Washington Pesticide Applicator License Exam Requirements
What Washington's Laws and Safety exam is, who takes it, and what passes.
| Exam | Who takes it | Given by | Questions | Time | Pass | Fee | Sources checked |
|---|---|---|---|---|---|---|---|
| Laws and Safety | Washington commercial pesticide applicator, operator and public operator license candidates | WSDA, by computer at Metro Institute centers and some WSU Extension offices | Not published | Not published | 70% | Up to $65 per computer-based exam |
Which exams does a Washington commercial applicator take?
The Laws and Safety exam plus an exam for each pest control classification you work in (WAC 16-228-1545). Structural pest inspectors don't take Laws and Safety.
What score passes?
70% (WAC 16-228-1545). Since January 1, 2026, you wait 14 days to retest after a second to fourth failure and 60 days after five or more (WAC 16-228-1540).
Who gives the exams?
WSDA. Computer-based exams are given at Metro Institute testing centers and some WSU Extension offices (WSU Okanogan County Extension).
How long is the Laws and Safety exam?
WSDA doesn't publish the number of questions or the time limit, and it's closed book (WAC 16-228-1545).
Is there a minimum age?
18 for a license (RCW 17.21.132), with a narrow exception in WAC 16-228-1548.