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Boats & Motorcycles

Whether you are on land or on the water, California driving under the influence laws apply. In San Mateo, it is illegal for any person to operate a car, truck, motorcycle, and/or boat while under the influence of drugs, alcohol, or both.

Motorcycles and San Mateo DUI Law

It is illegal to operate a motorcycle while under the influence of drugs, alcohol, or both according to San Mateo DUI law. It is also illegal to operate a motorcycle with a blood alcohol concentration of 0.08% or higher. If law enforcement notices a motorcyclist engaging in erratic driving behaviors, they will make a traffic stop. DUI traffic stops for motorcyclists are very similar to DUI traffic stops for car and truck drivers.

Once a motorcyclist has been stopped for driving under the influence, he/she will be asked to submit to a blood alcohol test and field sobriety tests. These tests are voluntary, which means the motorcyclist may refuse to submit to them. After the tests are administered, or after the person refuses, law enforcement will decide if the person should be placed under arrest. If the motorcyclist is placed under arrest, he/she will be read his/her Miranda Rights and his/her driver's license will be confiscated. The person will then be escorted to the police station where he/she may contact an attorney.

Boating and San Mateo DUI Law

In San Mateo, it is illegal for a person to operate a boat with a BAC (blood alcohol concentration) of 0.08% or higher. If a person operates a boat with a BAC of 0.08% or higher, he/she will be placed under arrest or fined for violating California DUI law.

DUI Penalties

After a person is found guilty of motorcycling or boating under the influence, he/she may be punished with time in jail, fines, probation, DUI School, and driver's 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

  • “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.”


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


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