What California requires
California does not have a separate mold remediation license, but mold work falls under the Contractors State License Board (CSLB) licensing system. Contractors performing mold remediation typically need a general building (B), C-21 (Building Moving/Demolition), or D-64 (Non-Specialized) license depending on project scope. Cal/OSHA has specific standards for worker exposure to mold during remediation projects.
California homeowner policies generally cover mold from sudden, accidental water damage but exclude mold from gradual moisture problems. Many California insurers cap mold coverage at $5,000 to $10,000 unless additional riders are purchased. Earthquake-related water damage and resulting mold may require separate earthquake insurance.
Cities in California
Each city page folds crawl space, attic, HVAC, black mold, and water-damage situations onto one URL instead of eleven thin child pages.