A PEST CONTROL OPERATOR (PCO) is an individual who: Performs the service of inspecting a building for wood destroying organisms or other structural invading pests; evaluates their damage and identifies conditions conducive to their infestation. Determines treatment specifications for a WDO or pest, based on the inspection. Performs the treatment.
A STRUCTURAL PEST INSPECTOR: SPI is an individual who: Performs the service of inspecting a building for ONLY wood destroying organisms, evaluates their damage, or conditions conducive to their infestation. This service is typically performed for a real estate transfer. DOES NOT determine treatment specifications for a WDO. DOES NOT perform the treatment.
To verify licensing contact the Washington State Department of Agriculture by clicking on this link: WSDA
Performs the service of inspecting a building for wood destroying organisms or other structural