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About Matthew
Biography
Matthew J. O'Connor is a founding partner of the firm and currently focuses his practice on criminal defense. Mr. O’Connor regularly defends adults and juveniles in all types of criminal matters, including but not limited to: Driving Under the Influence (DUI), Assault, Robbery, “Three Strikes” cases, Murder, Domestic Violence, Rape, Illegal Firearms, Theft and Drug crimes, Probation and Parole hearings.
From 2000 to 2006, Mr. O'Connor prosecuted over a thousand criminal cases. He has personally tried over thirty jury trials ranging from misdemeanor crimes, to lengthy career criminal cases including attempted murder, aggravated robbery, and numerous other cases with serious and violent criminal . O’Connor graduated from the University of California at Davis in 1995 and graduated cum laude from the Santa Clara University School of Law in 1999. Upon graduating from law school Mr. O’Connor served as a deputy district attorney in the Contra County District Attorney’s Office. During his tenure, Mr. O’Connor prosecuted and tried numerous misdemeanor and felony cases.
During his career as a government prosecutor, Mr. O'Connor handled thousands of negotiations with other lawyers, judges, and special interest and advocacy groups. Mr. O'Connor has extensive experience negotiating misdemeanor and felony cases. He also has substantial knowledge and skill in the procedural and substantive operations of local law enforcement agencies. Additionally, he has become extremely adept at dealing with state and federal law enforcement agencies such as the Department of Justice, the Drug Enforcement Agency, the Federal Bureau of Investigation, and the Bureau of Narcotics Enforcement.
Mr. O'Connor has handled a number of high profile cases, and has experience in dealing with the related aspects of litigation, such as special interest group attention, media exposure and public relations. He is a member of the San Diego County Bar Association and the Association of Trial Lawyers of America.
Practice Areas
2
Practice Areas
DUI and DWI
80%
26 years
Criminal Defense
20%
20 years
Fees and Rates
Cost
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Chat withLicenses
Licensed in California for 26 years
State: California
Acquired: 1999
No misconduct found
Location
O'Connor Law APC
2300 Contra Costa Blvd, Suite 415, Walnut Creek, CA, 94523
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Matthew James O'Connor's Reviews
Avvo Review Score
20 Client Reviews
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Practice Areas
Showing 11 - 15 of 20 reviews
Posted by Joey D | May 14, 2021 | Hired Attorney | Criminal Defense
The Best Defense Lawyer!!!
Matt was great in helping me get through the process and eventually got my case dismissed! Because he had prior experience being a prosecutor, that he knew how to defend clients, and that is why I hired him. If you need legal representation, Matt is your attorney!! Thank you Matt for all your hel...
Posted by Kyle | November 30, 2020 | Hired Attorney | Lawsuits & Disputes
Dui Defense
Matt O’Connor made one of the most stressful times of my life much easier than expected. He was my lawyer for roughly a year and throughout that year he was attentive, answered my questions, and overall handled my case with professionalism and grace. Not one of my calls wasn’t returned from him and h...
Posted by Mike B | April 27, 2020 | Hired Attorney | DUI & DWI
Excellent Lawyer
I was arrested for DUI in October 2018. I retained Matt's services shortly after. It was one of the best decisions I ever made. Not only is Matt an excellent lawyer, but his demeanor and personality are exactly what someone needs during a stressful time. He was attentive, knowledgeable, and professio...
Posted by anonymous | March 18, 2020 | Hired Attorney | DUI & DWI
The best lawyer
When I got my dui I didn't really know what to do. I haven't never been on the bad side of the law. I found O'Connor Law on Yelp. I decided with all the positive reviews this law firm could help me. So on a Sunday Matt O'Connor was willing to meet with me. It was one the only days I was available. He...
Posted by Marvin | March 11, 2020 | Hired Attorney | DUI & DWI
Good Man and Honest Attorney
I was able to keep my job charged with a dui and reduced to wet reckless at th end of the case.
Matthew James O'Connor's Lawyer Endorsements
"I endorse this lawyer. Excellent trial attorney. I have worked with Mr. O'Connor on several matters since 1999.. He is knowledgable and equally aggressive."
"Since opening my private practice last year, Matt and I have collaborated on a number of cases in Napa County. I am very impressed with his professionalism, his client communication, and his knowledge of this specialty of law. He is a valuable resource for any client facing these charges in the Bay Area."
"I endorse Matthew. He is a highly skilled attorney that is well respected in the legal community."
"I endorse this lawyer. Matt is a great attorney. He is very knowledgeable in this area and has great results. He will definitly take good care of you."
"I endorse this lawyer. Matt has been my go-to guy for criminal defense cases for years. The feedback I get from my referrals is always positive and as a result, Matt makes me look good."
"Matthew O'Connor has the skills, experience, and knowledge which consistently lead to excellent results for his clients. I endorse this lawyer."
"I endorse this lawyer. Matt is one of the brightest lawyers I have met since I became a member of the Bar in 1978. Matt is dedicated to his clients and is on the cutting edge of the law. Quite simply, he is a terrific lawyer."
"I have known and worked with Matt O'Connor for more than a decade. He is an outstanding attorney. I have even entrusted him with the representation of a member of my family."
"Matt O'Connor is a criminal defense attorney who will be there for you when you need him. I first met Mr. O'Connor when I was a state prosecutor and he was representing several clients facing very serious felony and misdemeanor charges. What struck me about Mr. O'Connor was his detailed knowledge of the law, his astounding presence in the courtroom, and his passion for his clients' interests. He impressed me so much that when I went into private practice myself, I often found myself calling him up for a second opinion on difficult issues when I was handling tougher cases. The advice I have received from Mr. O'Connor is always insightful and based on his years of experience litigating criminal cases."
Eric Dumars
Criminal defense lawyer
Robert Cummings
Criminal defense lawyer
Jess Raphael
Criminal defense lawyer
Derek Ewin
Criminal defense lawyer
Benjamin Theule
Criminal defense lawyer
Thomas O'Connor
Personal injury lawyer
Experience
Associations
San Diego County Bar Association
Member
Association of Trial Lawyers of America
Member
Education
1999
Santa Clara University School of Law
N/A
University of California - Davis
Activity
Legal Answers