Contact Us

Law and Mediation Offices of
Ronald J. Cassells
36 Fifth Street, Suite A
Petaluma, CA 94952
Phone: 707-766-0475
Toll Free: 866-457-0669
Fax: 707-782-9266
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Petaluma Criminal Defense Attorney

Petaluma Criminal Defense Lawyer

At the Law and Mediation Offices of Ronald J. Cassells, we take a comprehensive approach to every case, understanding that every client has different objectives. We will take the time to understand the unique circumstances of your case. Our attorney will work collaboratively with you to identify your interests and pursue a solution in your case. Attorney Ronald J. Cassells is a certified mediator who will also pursue your case through litigation and appeal when necessary.

We offer solid counsel and advocacy focused on solutions. Please call 707-766-0475 or contact us by email to schedule a free and confidential consultation.

Family Law and Certified Mediator

Our family law practice gives attention and legal support to families when they are faced with complex disputes. Our California divorce and mediation and family law attorney will identify your interests and work towards a solid and lasting solution for your family. We are experienced with a range of family law cases involving:

  • Divorce
  • Child custody
  • Child support
  • Alternative Dispute Resolution (ADR)

Estate Planning

Estate planning is an important decision for any family. Whether you are creating your first will, need a modification after a divorce or birth in the family or want a comprehensive estate plan to identify specific long-term plans, we can protect your rights and the security of your family.

  • Estate planning
  • Wills
  • Trusts
  • Probate and estate administration

Criminal Law and Juvenile Law

A criminal allegation can affect your personal life, impact your family and be damaging to your record. When faced with criminal charges, it is never too early or too late to consult with an experienced Petaluma criminal defense lawyer.

  • DUI/DWI
  • White collar crimes
  • Juvenile crimes
  • Misdemeanor and Felony Violations

Personal Injury

When you or someone you love suffers a serious injury, you need immediate assistance to protect your rights and preserve your claims to compensation. While we work hard to negotiate settlements early on, we are prepared to take your case to trial to maximize your recovery after an injury or accident.

  • Motor vehicle accidents
  • Truck accidents
  • Pedestrian and bike accidents
  • Injuries to children

For more information, please call 707-766-0475 in Petaluma, California, or contact the Law and Mediation Offices of Ronald J. Cassells by email to schedule a free and confidential consultation directly with an experienced Petaluma criminal defense lawyer.

Free initial consultation • Hablamos español • Credit cards accepted • Evening and weekend appointments available • Home, hospital, jail visits upon request


The Law and Mediation Offices of Ronald J. Cassells is located in Petaluma, California, and serves clients throughout Sonoma County, Napa County and Marin County, including Petaluma, Santa Rosa, Rohnert Park, Sonoma, Windsor, Napa, Sebastopol, Cotati, Penngrove, Guerneville, Healdsburg and Novato.