Underage DUI Attorney in Orange County

California’s Zero-Tolerance Law: What “Underage DUI” Actually Means

Most people assume DUI requires obvious impairment. For drivers under 21 in California, that assumption is wrong. Under California Vehicle Code 23136, the state’s zero-tolerance law, it is unlawful for any person under 21 to drive with a blood alcohol concentration (BAC) of 0.01% or higher. That threshold is so low that certain over-the-counter medications containing alcohol, or even mouthwash, can push a reading above it. No impairment is required; any measurable alcohol is sufficient for a citation.

VC 23136 is a civil offense, not a criminal one, but a single stop can produce additional charges. Under VC 23140, a BAC of 0.05% or higher is an infraction. At 0.08% or above, the driver faces VC 23152, the same adult DUI misdemeanor statute with the same criminal exposure. Under California’s implied consent law, drivers under 21 are required to submit to a preliminary alcohol screening (PAS) test and can’t refuse it the way adult drivers can refuse a pre-arrest breath test.

Penalty Tiers for Underage DUI in Orange County

The consequences of an underage DUI charge scale with BAC level, and which tier applies shapes the entire defense strategy.

• BAC 0.01% or higher (VC 23136): Civil offense. One-year driver’s license suspension, or a one-year delay in license issuance if the driver doesn’t yet have one. No criminal conviction from this charge alone.
• BAC 0.05% or higher (VC 23140): Infraction. One-year license suspension, a base fine of $100, and mandatory enrollment in an alcohol education program for drivers ages 18 to 21.
• BAC 0.08% or higher (VC 23152): Misdemeanor, treated the same as an adult DUI. Fines up to $1,000, up to six months in jail, mandatory DUI school, and a license suspension of one year or longer.

Aggravating factors can make any tier worse. A prior DUI conviction, an accident, reckless driving, or a passenger under 14 can extend suspension periods and increase criminal exposure. Refusing the PAS test triggers an automatic one-year suspension and disqualifies the driver from obtaining a restricted hardship license, known as a critical needs license, during that period. That refusal suspension is separate from and in addition to any suspension tied to the underlying charge.

The 10-Day DMV Hearing Deadline

When an officer cites a driver under the zero-tolerance law, the officer takes the physical license and issues a temporary license valid for 30 days. From the date of the citation, the driver has 10 days to contact the DMV and request an administrative per se hearing. Miss that window and the one-year suspension goes into effect automatically, with no opportunity to contest it.

At the DMV hearing, the driver can challenge whether the officer had reasonable suspicion to stop the vehicle, whether the driver was properly advised of the obligation to take the PAS test, and whether the BAC reading itself was accurate. If the hearing is successful, the suspension can be set aside. Even losing doesn’t close every door: a restricted critical needs license may be available in some circumstances. Vincent Tucci has represented clients before the California DMV more than 2,000 times, and we handle both the court case and the DMV hearing so neither front is left unprotected.

Why Orange County Families Choose Braden & Tucci for Juvenile DUI Defense

Our firm handles DUI and DMV defense only. That focus means our attorneys stay current on forensic challenges to breath test and blood testing equipment, calibration requirements, and the California-specific statutory defenses that apply to underage DUI cases. We don’t divide attention across practice areas.

Vincent Tucci is certified in the administration, calibration, and maintenance of the Intoximeter Alco-Sensor IV Preliminary Alcohol Screening Device, the PAS device officers use during roadside underage DUI stops. He is also student certified in Standardized Field Sobriety Tests under the standards of the National Highway Traffic Safety Administration, which bears directly on how probable cause is established at the scene. He has personally tried more than 100 DUI jury trials, holds the AV Preeminent rating from Martindale-Hubbell (the highest possible rating from that organization), and has served as past President of the California DUI Lawyers Association and co-chair of the DUI Committee for the California Attorneys for Criminal Justice.

When you retain Braden & Tucci, you work directly with our attorneys throughout the process. No handoffs to assistants. No high-volume intake that treats your family’s situation as routine.