• DUI Defense

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    From misdemeanors to felonies, we handle all types of criminal cases under California’s Penal Code.

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Marin County Attorney Office

Marin County Criminal Defense Lawyers

12,000+ Cases Successfully Resolved

Ronald Dinan & Associates has more than 150 years of combined experience handling DUI defense and criminal defense. With offices in San Rafael and five other cities throughout Northern California, our criminal defense lawyers are able to serve many clients dealing with complex legal issues. If you are facing criminal charges, knowing your options and understanding the potential consequences of a conviction may help you minimize damages.

Effective Criminal Defense Representation

Our firm's experience can help clients dealing with a number of legal issues, such as:

Our Marin County criminal defense attorneys may provide you with dedicated legal representation in a criminal case, as well as offer guidance in other legal matters, such as certifications and post-conviction relief. Depending on the situation, a criminal conviction may result in a felony or a misdemeanor, both of which can have serious consequences on an individual's future opportunities. If you are planning to take action against a criminal charge, schedule a free case evaluation with our firm today!

Ronald Dinan & Associates​
4040 Civic Center Dr., Ste. 200
San Rafael, CA, 94903
Phone: (415) 689-6541

California DUI Defense Guidance

Ronald Dinan & Associates has decades of experience handling criminal matters, including DUI. Our Marin County lawyers assist clients in understanding the confusing elements of DUI charges and keeping them informed of the next steps in the process. Whether you are preparing a DUI defense or seeking information on the process, our firm may be able to help. Retain effective legal guidance regarding your DUI and ensure your rights are protected. If you need DUI information fast, our California DUI helpline may be able to help.

Serving Northern California Since 1976

Ronald Dinan & Associates has offices in San Rafael and five other cities throughout Northern California. We are able to help many clients in their cases, and having resolved more than 12,000 cases, we have a proven record of success. Whether you are confronting an issue regarding DUI defense or criminal defense, our experienced legal team may be able to help you safeguard your future opportunities and protect your rights.

Contact our firm today and schedule a free case evaluation with our criminal defense lawyers in Marin County!


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Get Directions from your location in San Rafael, Novato, Corte Madera, Point Reyes Station, Fairfax, San Anselmo, Mill Valley and other Marin County cities to our San Rafael Office.

Hours of Operation:

Monday - Friday: 8 AM to 5 PM

In addition to normal business hours, attorneys at our San Rafael office can be reached evenings and weekends at 415-689-6541.

Ronald Dinan & Associates, Attorneys & Lawyers, Santa Rosa, CA