Do you need a mold inspector license in Washington?
Washington does not license or register mold inspectors. The Washington State Department of Health publishes mold guidance shaped by the wet western climate, but issues no mold credential. Washington inspectors typically carry a voluntary IICRC or ACAC certification.
Is a license required?
Washington does not license mold inspectors or assessors at the state level. Inspectors typically hold a voluntary certification (such as IICRC or ACAC) rather than a state license.
Official source
Washington state agency mold guidance
Common questions
Do you need a license to be a mold inspector in Washington?
No. Washington issues no state mold-inspector license, so there is no state exam or registration to complete. Inspectors instead show competence through voluntary certification such as IICRC or ACAC and by following recognized industry standards.
Who regulates mold inspection in Washington?
No single board regulates mold inspection in Washington. The state's environmental and health agencies publish general mold guidance instead: https://doh.wa.gov/.
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