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California DUI Laws

California DUI Defense

What you're facing, what the deadlines are, and the questions your attorney needs to answer, specific to California (CA) law.

BAC Limit

0.08

Enhanced BAC

0.15

Higher penalties above this

Lookback Period

10 years

Prior offenses count within

10 days-Day DMV Hearing Deadline

In California, you have 10 days days from your arrest to request an administrative DMV hearing. Miss this deadline and your license suspension goes into effect automatically , even if the criminal case is later dismissed.

First Offense Penalties in California

Jail TimeUp to 6 months
Fines$390 – $1,000 (plus penalty assessments totaling $1,800+)
License Suspension4 months (administrative) / 6 months (court)
Ignition InterlockRequired statewide for all DUI convictions

Implied Consent & Test Refusal

Like all 50 states, California has an implied consent law, by driving on Californiaroads, you've already agreed to submit to a chemical test (breath, blood, or urine) if an officer has probable cause to believe you're impaired.

Refusal Penalty

1-year license suspension (added to any DUI suspension)

California-Specific Detail

California's 10-day DMV hearing deadline is critical, miss it and you lose the right to challenge your administrative license suspension. Penalty assessments can quadruple the base fine.

Is your California DUI defense on track?

The Masked Researcher’s First Read checks 10 critical defense behaviors specific to DUI cases. Takes 2 minutes. Instant results.

Take the Free Defense Score

DUI Defense Playbook$127

26 questions that change how your next attorney meeting goes, a case stage roadmap, red flag checklist, and a case progress scorecard. Instant PDF download — calibrated for California DUI defendants.

Other California defense topics

Facing a different charge in California? Penalty ranges, enhancements, and defense questions for related crimes:

Important: This page provides general legal information about California DUI laws as of the date of publication. Laws change frequently. This is not legal advice. For guidance specific to your case, speaking with a California-licensed attorney is one option, or take the free Masked Researcher’s First Read to see where your case stands.