California's minimum legal drinking age, set in Bus. & Prof. Code §25658(a), is:
Explanation
Bus. & Prof. Code §25658(a) makes it a misdemeanor for any person to sell, furnish, give, or cause to be sold, furnished, or given any alcoholic beverage to a person under 21 years of age. This is uniform throughout the United States since the federal National Minimum Drinking Age Act of 1984 conditioned highway funds on a 21 minimum. There is no exception for 18-, 19-, or 20-year-olds, regardless of military service, marriage, or parental presence.
Law Reference: Cal. Bus. & Prof. Code §25658(a)This topic, taught in full in the California RBS (Responsible Beverage Service) guide. California RBS — Responsible Beverage Service Study Guide (2026) — PDF + EPUB, $9.99 · 14-day refund →
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