Washington State Department of Agriculture (WSDA)
By Washington State law, the act of inspecting for pests, their signs, or conducive conditions requires one to be licensed by the WSDA. In addition, structural pest inspectors must be bonded or insured and must use WSDA-issued Inspection Control Numbers.

Frequently Asked Questions About Licensing of Home Inspectors

Listing of Licensed Structural Pest Inspectors

Obtaining and Using Inspection Control Numbers
All wood destroying organism (WDO) reports that are prepared in conjunction with the transfer, exchange or refinance of any structure must have an inspection control number (ICN) recorded on them.

WSDA Guidance Documents for Structural Pest Inspectors

Laws Pertaining to Structural Pest Inspectors

Rules Pertaining to Wood Destroying Organism Inspections

Compliance Actions

WSDA news release archives online
For information on compliance actions again pest control operators and structural pest inspectors, search the archives for articles containing keywords such as “fines” or “suspensions.”

Association of Structural Pest Control Regulatory Officials (ASPCRO)
The Association of Structural Pest Control Regulatory Officials is a professional association comprised of the structural pest control regulatory officials of any of the fifty states.

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