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DUI Penalties

If a person is convicted of DUI in San Mateo, he/she will face a variety of serious legal punishments. These punishments may include: jail time, fines, community service, probation, DUI school, and license suspension. In some cases, the person's vehicle may be impounded as well.

California has strict DUI statutes that judges must take into consideration when rendering sentences for convicted offenders. Judges must also consider all aggravating circumstances involved in each person's case. Aggravating circumstances may include: driver refusal to take the BAC test, BAC results of 0.20% or higher, having a minor under age 14 in the vehicle, and/or DUI convictions. In cases where there are aggravating circumstances, DUI sentences may be enhanced.

If you have been charged driving under the influence, your freedom and way of life are in great jeopardy. The best thing you can do is speak with a knowledgeable DUI attorney. A San Mateo attorney can evaluate your case and negotiate with prosecutors. In some cases, an attorney may be able to have your DUI charges reduced or dismissed.

Below is a list of non-enhanced legal penalties for 1st, 2nd, 3rd, and 4th DUI convictions:

First DUI Offense

  • 48 hours to 6 months in jail
  • $390.00 to $1,000.00 monetary fine
  • License Suspension: up to 6 months
  • Attendance in an alcohol treatment program.

Second DUI Offense

  • 90 days to 1 year in jail
  • $390.00 to $1,000.00 monetary fine
  • Up to 2 years license suspension
  • 18 months or 30 months in alcohol treatment program

Third DUI Offense

  • 120 days to 1 year in jail
  • $390.00 to $1,000.00 monetary fine
  • Up to 3 years license suspension
  • 18 months to 30 months in alcohol treatment program

Fourth DUI Offense

  • 180 days to 16 months in jail
  • $390.00 to $1,000.00 monetary fine
  • Up to 4 years license suspension

San Mateo DUI Defense Attorney

The Law Office of Robert Tayac has helped countless clients fight their San Mateo DUI charges. With years of trial and DUI litigation experience, Attorney Robert Tayac has the skill and legal expertise it takes to successfully contest his clients' DUI charges. Whether your are a first time offender or a multiple DUI offender, you can be assured that Mr. Tayac will put every effort into helping you avoid a criminal conviction.

Any person who drives under the influence of drugs and/or alcohol places his/her life and others in great danger. For this reason, California has adopted strict DUI laws and legal penalties. If a person is convicted of driving under the influence in San Mateo County, he/she faces life-altering legal punishments such as jail time, fines, probation, license suspension, and vehicle impoundment. When you are charged with DUI, you need the counsel of an experienced San Mateo attorney to increase your chances of winning in court.

Contact the Law Office of Robert Tayac for your free DUI case evaluation!

Why Choose Our Firm?

Attorney Robert Tayac Puts a Long, Decorated Career to Work for You
  • Puts Over 20 Years of Experience Toward Your Case

  • Specialized Education in DUI Defense

  • Has Trained Other Attorneys in San Francisco

  • Former San Francisco Police Officer & Police Inspector

  • Certified by the SFPD on the Intoxilyzer 5000 Testing Device

  • Co-Authored the 4th Edition of California Drunk Driving Defense

  • Boasts a Successful Record Achieving the Best Result for His Clients

  • Takes the Time to Understand You & Your Case

Client Testimonials

  • “These clients have called me to thank me for referring them to the Law Offices of Robert Tayac.”

    R.R., Attorney at Law

  • “Without Mr Tayac's knowledge and drive to succeed, I most likely would not be able to write this review today.”


  • “His in depth knowledge and expertise within his field, along with deep and lasting relationships with the District Attorneys office and everyone involved are without a doubt unmatched.”


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