Courageous. Determined. Innovative. No one calls a criminal defense attorney on a good day. Being charged with a crime, or the possibility of being charged, can leave you confused, upset and embarrassed. This process is complicated, and everyone deserves a skilled attorney by their side from beginning to end. Contact us

Awards and Associations

  • The State Bar of California
  • California Public Defenders Association
  • National Association of Criminal Defense Lawyers
  • California Attorneys for Criminal Justice
  • Marin County Bar Association
  • The National Trial Lawyers Top 40 Under 40

San Rafael Criminal Defense Attorney

Serving the Arrested & Accused in Marin County

No one calls a defense lawyer on a good day. Being arrested or charged with a crime, or the possibility of being charged, can leave you confused, upset, and embarrassed. The judicial process is also complicated, requiring the skills and knowledge of an attorney to protect your rights and future. At Chambers Defense, our criminal defense lawyer in San Rafael will stand by your side from the beginning of your case to its end.

Peter James Chambers is here to help you protect your freedom, preserve your reputation, and defend you in court. The government regularly makes mistakes and, as a former criminal prosecutor in the largest prosecutor's office in the country, Peter understands how to leverage those mistakes to your advantage. Even if you feel responsible for what happened, you should not be left at the mercy of a disinterested prosecutor.

Upfront, No-Fuss Service

Whether you need legal counsel or litigation experience, it’s important that your attorney is clear about your options and provides straightforward advice in plain English, not legalese. After an arrest or criminal accusation, we will work to get to know you and your unique situation, paying attention to the evidence against to tailor a defense solution tailored to your needs. Attorney Chambers will also leverage his experience as a prosecutor in the District Attorney’s office to anticipate and plan for the case against you. 

Protect your rights after an arrest: Do not answer police questioning without an attorney present. Our San Rafael criminal defense lawyer can safeguard you against self-incrimination and ensure you are given a fair day in court. 

If you need a dedicated defense attorney in your corner, contact Chambers Defense to schedule a free consultation. We represent clients throughout northern California including Novato, Petaluma, Richmond, & Marin County.

  • Robbery

    S.M. – Client arrested for robbery. Mr. Chambers defended his client at the preliminary hearing. Through careful cross examination, the judge was convinced that no reasonable person would agree with the prosecution's case. CASE DISMISSED.

  • Possession of Drugs

    J.B. - Client was arrested for possession of drugs. All evidence was suppressed pre-trial because Mr. Chambers successfully argued that his client was unreasonably detained without a warrant before discovery of the drugs. CASE DISMISSED.

  • Felony Fraud

    J.T. – Client arrested for felony fraud. Mr. Chambers defended his client at a preliminary hearing, demonstrating that his client's action was not illegal. CASE DISMISSED. When prosecution tries to revive the charges, CASE DISMISSED AGAIN!

  • Domestic Violence Assault & Battery

    A.S. – Client was accused of domestic violence assault & battery. The case went to trial, where the accuser gave false testimony against the client. Mr. Chambers convinced the jury that the testimony of that one witness was not enough to prove guilt. CASE DISMISSDED

  • Domestic Violence

    T.M. - Client was charged with Domestic Violence crimes. After another lawyer made strategic mistakes at trial, Mr. Chambers was brought in for the re-trial. Mr. Chambers investigated the previous jury and found clear evidence that some jurors violated their oaths. When neither the judge nor the DA would dismiss the case following the earlier sham trial, Mr. Chambers successfully negotiated his wrongfully accused client's case to dismissal through a combination of legal pressure and clever scheduling.


client testimonials
  • If I ever have a criminal problem or any other legal problem he would be the first person I would call.

    “He explained things very clearly and saved me a significant amount of money. He one of the most skilled attorneys around.”

  • Peter understands how both sides of the law work to his clients advantage.

    “He saw the discrepancies in my case and after 2 months he was able to reduce all my charges almost completely upon completion of a small fine and community service.”

  • I would enthusiastically recommend Mr. Chambers to anyone looking for the best possible defense.

    “His experience working for a time as a prosecutor provides a unique vantage point that gives him the upper hand in fighting for his clients who are facing prosecution.”

  • Peter James Chambers is a great lawyer, I highly recommended him.

    “He helped me with my case and got it dismissed. He is a great person very professional over all.”

Meet your attorney

Peter James Chambers is here to help you protect your freedom, preserve your reputation and defend you in court

Criminal Defense Solutions

Reliable Help for Good People in Bad Situations

In the criminal justice system, too often the scales are tipped in favor of the prosecution. A skilled legal professional can advocate on your behalf and ensure your side of the story is heard. Chambers Defense handles a wide range of cases for people from all walks of life – those who have found themselves in seemingly desperate situations can have peace of minding knowing they have a true advocate on their side. Whether you have been pulled over on suspicion of driving under the influence, are facing the consequences of a restraining order for a domestic violence accusation, or have been accused of embezzlement, we can help. Our breadth of knowledge and in-depth experience help us look at complex cases from all angles, find faults in the prosecution’s case, and build a strong defense that treats you as an individual, not another case number. 

Flat-Fee Pricing

Chambers Defense offers flat-fee pricing, which is a rate that covers the entire case and all aspects of representation. This type of pricing can provide the confidence that our attorney believes in your case and will work hard to ensure a successful outcome. It also gives you peace of mind knowing that there won't be any hidden costs or unexpected fees. Flat fee pricing can be beneficial for both clients and lawyers, allowing for fee predictability and efficient budgeting.

To learn more, schedule your free consultation today. Call Chambers Defense at (415) 423-2828

  • Former Prosecutor
  • Free Consultation
  • Excellent Communication
  • Flat Free Pricing

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