Experienced DUI Defense Attorney Contact Us Today to Move Forward with Your Case

California Driving Under the Influence (DUI) Laws

Driving under the influence (DUI) is a broad term to classify offense which can be charged and punished in several different ways depending upon the circumstances of the case, the location of the arrest, the driver and the driver's criminal DUI or DMV history, and the attorney who represents the person charged with DUI.

A driving under the influence case is considered a first offense DUI if a person arrested has never been convicted of a DUI related charge, which includes driving under the influence, driving with a blood alcohol level of 0.08 percent, or reckless driving with alcohol involved (wet reckless). First offense DUI convictions carry a range of specific consequences. The punishment imposed can be predicted by an attorney experienced in DUI cases and the particular county in which the DUI arrest occurred.

First offense DUI punishments can be more severe (enhanced) if the driver had a breath or blood alcohol level of 0.15 percent or greater. The consequence will be even more severe if the driver had a breath or blood alcohol level of 0.20 percent or greater. Some courts or prosecutors will impose an even more severe consequence if the person had a blood alcohol level of 0.30 or above.

As well, a first offense DUI will be enhanced if the driver was involved in an accident causing injury to a person other than the driver charged with DUI. Injury DUI's may be charged as a felony or a misdemeanor depending upon the extent of the injuries.

Contact The Office

Mr. Tayac and the DUI investigators and experts working with him stand ready to help you or your family member. A member of the office is available to speak with you regarding the case any day of the week between the hours of 8:00 a.m. and 8:00 p.m. Pacific Standard Time at 415-552-6000.

If you hire the Law Office of Robert Tayac, you will know that you have retained the services of the most knowledgeable and experienced DUI defense team.

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

  • “I did have to pay a fine and attend a 3 month school but I was able to maintain my license.”


  • “It was a pleasure working with you and the firm.”


  • “...thank you for walking me through this process and making me feel at ease.”


  • “He's professional, honors his promises, and gets excellent results for all his clients.”


  • “...you achieved for me an outcome exceeding what is typical for Santa Clara County.”


Contact Us Today

Your Strong Defense Starts with a Case Evaluation
  • Please enter your name.
  • This isn't a valid phone number.
  • Please enter your email address.
    This isn't a valid email address.
  • Please make a selection.
  • Please enter a message.