| On-site wastewater treatment system designer license | Fee |
|---|---|
| License application fee | $200 |
| License application fee - comity | $75 |
| Re-examination fee | $140 |
| License renewal fee | $325 |
| Late renewal penalty | $100 |
| Inspector - certificate of competency | Fee |
|---|---|
| License application fee | $175 |
| License re-examination fee | $140 |
| License renewal fee | $150 |
Please make checks payable to the Washington State Treasurer.
Note: The money submitted with your application includes both the application and examination fee. After the application has been processed the fee is not refundable. If you are not approved for an examination, the fee will be retained until you are eligible to take the examination.