Michael Horner

attorney at law - criminal defense  408-772-2480


More than 30 Years of Success

Michael Horner has practiced law in Santa Clara County for over 30 years. Michael is considered one of the best DUI (Driving under the Influence) attorneys in Santa Clara County and Northern California.


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Practice Areas

  • Driving Under The Influence, DUI
  • DMV “Admin Per Se”APS Hearings
  • DMV Medical Suspension hearings
  • DMV Negligent Operator (points) Hearings
  • Serious Traffic Court Defense Cases
  • DMV Writs
  • Misdemeanor/ Felony DUI’s Causing Injury
  • Three Strike Defense
  • Domestic Violence
  • Theft Crimes
  • Burglary
  • Drug Offenses
  • Sex Crimes
  • Record Clearance

About Michael Horner

Michael Horner has practiced law in Santa Clara County for over 30 years. Michael is considered one of the best DUI (Driving under the Influence) attorneys in Santa Clara County and northern California. He has recently started his own practice as a solo practioner but still can be found in the same office building, he’s just across the hall.

His educational foundation includes a Bachelor’s Degree in Political Science, and a Master’s Degree in American Government, as well as a Juris Doctorate Degree. From 1973 to 1987, he served as a District Representative to the late Senator Alfred Alquist. He mentors young attorneys in DUI and DMV law.

And, while Michael has emphasized his practice in the areas of drunk driving, motor vehicle and DMV cases his practice also includes all aspects of criminal defense including three strike cases. He is a member of the California DUI Defense Lawyers Association and the California Public Defenders’ Association.

Mr. Horner has successfully defended thousands of DUI and DMV cases and has appeared before the DMV from the initiation of APS/DUI suspension hearings. He is considered a pioneer in the defense of blood cases at the DMV in Admin Per Se hearings. His work before the Department of Motor Vehicles has helped insure that motorists charged with driving under the influence receive proper and medically approved venipuncture after their arrest. All breath cases are vigorously reviewed for any anomalies in the breath testing procedures used by Law Enforcement. He is a textbook of Motor Vehicle Law and vigorously applies his expertise in the defense of his clients.

Mr. Horner has also served as a Pro Tem Commissioner in the Superior Court for Santa Clara County, which has provided him with an extensive knowledge of the administration of justice in the County’s Traffic Courts.

Michael is one of the few DUI lawyers who personally attends all DMV in-person hearings to fight for his clients which are facing suspension of their driving privilege. He is well respected by his peers, police officers, DMV officers, judges and prosecutors.