A Wood Destroying Insect (WDI) Inspector in Indiana is a certified and licensed professional who inspects homes or buildings for insects that damage wood. These inspections look for various pests like termites, carpenter ants, carpenter bees, powderpost beetles, wood boring beetles, and signs of wood decay fungus.
WDI inspectors cannot apply pesticides unless they hold a separate applicator license. Their role is inspection and reporting only.
How do I get certified?
Certification of a wood destroying insect inspector is a two-step process. Individuals seeking certification must:
- Attend a training/testing program at the Purdue Structural Pest Control Training Facility (available in the Spring and the Fall). Call 765-494-4566 to obtain a class schedule; AND
- Pass the WDI exam (75% or greater). Certification exams are administered by Metro Institute. Exams are by appointment at one of the over 20 locations around the state. For details on how to schedule your exam, visit our Exams and Continuing Education page.
OR - provide proof of wood destroying insect control or inspection certification from another state (reciprocity). See details on our Reciprocity page.
How to obtain and maintain a WDI Inspector License?
Once certified, a WDI Inspector must become licensed. Licensing refers to the issuance of a license credential by the Office of Indiana State Chemist.
A WDI Inspector must be licensed under a Cat 12/Wood Destroying Pest Inspection Business. This license expires annually.
The business will submit an application to our office so that you can be added under their business.
When does my cetification expire?
To maintain certification, you must either complete the required continuing education (CCHs) within the five-year period or will need to retake your required exams.
Please review our Initial Certification and Training page for specific details related to each category.