Washington pest control license lookup: how to check and get a license
Washington pest control license lookup: who issues exterminator licenses (WSDA), how to check one online, the license types, and 199 exterminating and pest control services by county.
Do exterminators need a license in Washington?
| Who licenses them | Washington State Department of Agriculture (WSDA) Pesticide Licensing |
|---|---|
| License types | Commercial Pesticide Applicator, Commercial Pesticide Operator, Structural Pest Inspector (SPI) |
| When a license is required | License required for anyone in the business of applying pesticides to another's property |
Pest control companies need a WSDA commercial applicator license and must show financial responsibility (bond or liability insurance); employees who apply pesticides need a commercial operator license. Wood-destroying-organism inspections require a separate Structural Pest Inspector license, which does not allow pesticide application.
How do you look up an exterminator's license in Washington?
- Ask the exterminator for the license number and the exact business name on the license.
- Open the Washington pest control license lookup run by WSDA.
- Search by license number first. A name search can return several people or companies with similar names.
- Check that the status is active or current, that the license type covers your job, and that the name matches the company on your contract.
- If something doesn't match, ask the exterminator about it before you sign or pay a deposit, or contact WSDA.
What pest control licenses does Washington issue?
- Commercial Pesticide Applicator
- Commercial Pesticide Operator
- Structural Pest Inspector (SPI)
How do you get a pest control license in Washington?
Licenses are issued by the Washington State Department of Agriculture (WSDA) Pesticide Licensing. Requirements such as experience, exams, insurance and fees change, so read the current rules on the official WSDA source before you apply. Already licensed? List your business on Expert Helper to get matched with customers.
Which Washington city is the job in?
How many exterminators are there in Washington?
The Census Bureau counted 199 exterminating and pest control services with employees in Washington in 2023. The counties with the most:
| King County | 44 |
|---|---|
| Pierce County | 25 |
| Spokane County | 22 |
| Clark County | 22 |
| Snohomish County | 21 |
| Thurston County | 11 |
| Kitsap County | 9 |
| Whatcom County | 8 |
What do Washington homes mean for pest control work?
The median home in Washington was built in 1984, 36% of households rent and 67% of homes are single-family houses. 34% of homes heat with utility gas and 58% with electricity, and 1% with fuel oil.
How do you choose an exterminator in Washington?
- Ask for the business registration and the applicator's state certification number, and check them with the state agency.
- Ask what product they'll use and where, and what you need to do before and after (pets, kids, food, laundry for bed bugs).
- Prefer companies that inspect and seal entry points (integrated pest management) over ones that only spray.
- For bed bugs, ask how many visits are included and whether a follow-up inspection is part of the price.
- Get the guarantee in writing: what happens if the pests come back within 30 or 90 days.
Exterminators & Pest Control in other states
Sources: Washington licensing agency (linked above); US Census Bureau County Business Patterns 2023 and ACS 2023 5-year estimates.