Leon J. Mezzetti

Leon J. Mezzetti, Jr. is a seasoned criminal defense and DUI attorney with over four decades of legal experience, serving clients throughout Northern California. At the Law Offices of Leon J. Mezzetti Jr., clients receive dedicated representation from him. He is widely recognized for his strong courtroom advocacy and commitment to protecting the rights of individuals facing serious criminal charges as a criminal defense lawyer. Over the course of his career, he has defended clients in cases ranging from DUI and drug offenses to theft, domestic violence, juvenile crimes, and complex felony matters. His work emphasizes strategic defense, careful case analysis, and strong representation at both trial and administrative hearings.

Mr. Mezzetti earned his J.D. from Santa Clara University School of Law. He completed his undergraduate studies at the University of California, Davis, graduating with honors in Economics. Before that, he studied Economics at the University of California, Los Angeles, where he also earned honors. These academic achievements provided him with a strong foundation in critical analysis and problem-solving, which he applies daily in his legal practice.

Mr. Mezzetti has been practicing law in California since 1976. He also serves clients in the U.S. District Court for the Northern District of California. He began his career as a Deputy District Attorney in Alameda County, where he gained valuable insight into prosecutorial strategy. This background allows him to anticipate the approaches used by the prosecution and develop strong defenses on behalf of his clients. He has been an active member of several professional associations, including the California State Bar, the California DUI Lawyers Association, and the California Public Defenders Association.

Leon J. Mezzetti, Jr. has helped countless individuals navigate the criminal justice system during some of the most challenging moments of their lives throughout his career. By combining knowledge, courtroom skill, and a dedication to client advocacy, he works to achieve the best possible results for those he represents. His practice continues to serve communities across the Bay Area, Central Valley, and beyond.

Law Office Affiliations

• Founder, Law Offices of Leon J. Mezzetti, Jr.
• Director, Alameda County Bar Association (1995-1996)
• Member, California State Bar Association
• Member, California DUI Lawyers Association
• Member, California Public Defenders Association
• Member, Colombo Club

Licensed State

• California

Education

• Santa Clara University School of Law
  Juris Doctor (JD)
• University of California Davis
  Bachelor of Arts (BA)

Awards & Badges