Do you need a mold inspector license in Delaware?
Delaware does not license or register mold inspectors. The state lies entirely in mixed-humid zone 4A, a two-season moisture climate where humid summers load AC systems and cold winter surfaces sweat, while a high coastal water table keeps basements and crawlspaces damp. The Delaware Division of Public Health publishes mold guidance but issues no mold credential. Inspectors in Delaware typically hold a voluntary IICRC or ACAC certification rather than a state license.
Is a license required?
Delaware 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
Delaware state agency mold guidance
Common questions
Do you need a license to be a mold inspector in Delaware?
No. Delaware 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 Delaware?
No single board regulates mold inspection in Delaware. The state's environmental and health agencies publish general mold guidance instead: https://dhss.delaware.gov/dph/.
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