Mold inspector licensing 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 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 does not license mold inspectors at the state level. Inspectors typically hold a voluntary certification (such as IICRC or ACAC) rather than a state license.
Who regulates mold inspection in Washington?
There is no dedicated mold-inspector licensing board in Washington. State environmental and health agencies publish general mold guidance: https://doh.wa.gov/.
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