Mold, asbestos and restoration license in California

Who licenses it
Cal/OSHA + CSLB asbestos certification ↗
Checked November 8, 2026. Rules and thresholds change; confirm with the board before you start work.
Homeowners: checking a pro
Ask for the license number, then look it up on the board's site above. On ExpertMarketplace every listing in this trade in California shows the number and whether we've checked it. For homes built before 1978, renovation that disturbs paint needs an EPA lead-safe certified firm.
Pros: listing on ExpertMarketplace
Add your license number, state and expiry date when you create your page. A listing in this trade in California can't go live without it. Add your insurance too: listings show "Insured" or "No insurance on file" to every visitor.
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Mold, asbestos and restoration in California's biggest cities

Other California license guides