California’s new marijuana law limits how employers can address off-duty cannabis use. As of 2024, testing for past marijuana use is no longer a lawful basis for employment decisions. Employers can still act on actual on-the-job impairment, but policies must be updated to reflect the new legal standards.

California employers must navigate strict privacy protections when implementing workplace drug testing. While pre-employment testing is generally allowed, random testing is mostly prohibited, and marijuana use is protected. Learn the legal limits, best practices, and how to maintain a compliant drug testing policy.