- There is no part time or small job exemption. Even hand or backpack applications, or a single moss treatment, need the license.
- Plan for a trade exam.
- A surety bond can stand in for the liability policy.
- Recertify every five years, through approved courses or by retesting.
Do you need a state license in Washington?
Washington licenses pest control work at the state level through the Washington State Department of Agriculture, Pesticide Management Division. Below is what the board asks for, in the order you will run into it.
There is no part time or small job exemption. Even hand or backpack applications, or a single moss treatment, need the license.
The Washington license for this work
There is one license to aim for here.
| License | What it covers |
|---|---|
| Structural Pest Inspector | Inspecting structures for wood destroying organisms. It does not allow pesticide application. |
Steps to get licensed in Washington
- Get study materials from WSU and pass the WSDA exams for your categories.
- Show proof of financial coverage: $50,000 public liability and $50,000 property damage.
- License the business as a Commercial Applicator in every category it works in.
- License each employee who applies pesticides as a Commercial Operator.
- Recertify every five years.
Experience and other requirements
Experience. The official pages we read do not say. Check with the board (official site).
The license to apply for. Commercial Applicator license (business), with Commercial Operator licenses for employees.
Washington pest control exams
Trade exam. Yes. WSDA gives pesticide exams every Tuesday in Olympia and Yakima and at other offices. Some exams are in Spanish.
Business and law exam. The official pages we read do not say. Check with the board (official site).
What it costs in Washington
We could not confirm the current fee schedule on an official page. Check with the board before you budget: Washington State Department of Agriculture, Pesticide Management Division.
Insurance and bond
Insurance. A liability insurance policy or surety bond with $50,000 public liability and $50,000 property damage coverage.
Bond. A surety bond can stand in for the liability policy.
Renewal and licenses from other states
Renewal. Recertify every five years, through approved courses or by retesting.
Reciprocity. The official pages we read do not say. Check with the board (official site).
After you are licensed
The license lets you take the work. Getting the work is the next job.
- Register the business. If you work under a name other than your own, register it where your state asks (often the Secretary of State, sometimes the county), and keep the name the same on your license, your truck and your invoices.
- Claim your Google Business Profile. It is the listing people see when they search for pest control near them. Fill in your service area, hours and real photos of your work.
- Put up a website that shows the license. Customers look for it before they call. Koira builds a contractor website for you and keeps it current.
- See where you stand. The free Koira report checks how your business shows up in search and on maps against shops near you.
Where this comes from
Every fact on this page comes from the Washington State Department of Agriculture, Pesticide Management Division and the official pages below, checked October 9, 2026. Fees and rules change, so confirm with the board before you file.
More for your trade: how pest control companies run on Koira.