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California DUI Laws & Penalties

California classifies DUI offenses into tiers based on blood alcohol concentration, prior offenses, and aggravating factors. This page is a verified, attorney-reviewed reference compiled from primary state sources.

California DUI Courts

Court-by-court information for the major superior courts handling DUI cases — addresses, filing hours, parking, and defense procedural notes.

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Facing a DUI in California?

Don't navigate this alone. The DUIINFO portal gives self-represented defendants organized access to motions, deadline tracking, and case management tools. If you're in Arizona, Roth Law offers a free initial consultation.

This page provides general legal information, not legal advice. For advice specific to your case, consult a licensed California DUI attorney. Statutes cited link to the official California state source. Last verified: .