Do you need a mold inspector license in Ohio?
Ohio does not license or register mold inspectors. Ohio runs from humid-continental 5A in the north (Great Lakes shore) to mixed-humid 4A in the south, so winter cold-surface condensation and basement dampness lead, with humid summers and lake-effect moisture adding load. The Ohio Department of Health publishes mold guidance but issues no mold credential. Ohio inspectors typically carry a voluntary IICRC or ACAC certification.
Is a license required?
Ohio 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
Ohio state agency mold guidance
Common questions
Do you need a license to be a mold inspector in Ohio?
No. Ohio 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 Ohio?
No single board regulates mold inspection in Ohio. The state's environmental and health agencies publish general mold guidance instead: https://odh.ohio.gov/.
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