O'Connor, Runckel & O'Malley LLP is a law firm serving Pleasanton, California . At O'Connor, Runckel & O'Malley, we are committed to the zealous representation of our clients in a wide array of criminal matters.

The attorneys at O'Connor, Runckel & O'Malley have more than 50 years of trial experience. We have successfully negotiated thousands of cases and have tried well over 250 jury trials. Our courtroom skills are unparalleled. While most attorneys fear the inside of the courtroom, that is where the partners at O'Connor, Runckel & O'Malley feel most comfortable. Let us put our experience to work for you.

If you have been charged with a criminal offense, hiring the right lawyer can make all the difference. At O'Connor, Runckel & O'Malley, we represent individuals in cases involving criminal defense. We are dedicated advocates working to defend and protect the rights of every client.

The attorneys at O'Connor, Runckel & O'Malley have had extensive dealings with state and federal judges, prosecutors, and every law enforcement agency in Pleasanton. Our attorneys have negotiated thousands of criminal cases and successfully tried hundreds of high profile felony and misdemeanor cases; including murder, arson, residential burglary, torture, three strikes cases, domestic violencedui, sex crimes, vehicular manslaughterjuvenilerobbery, and assault with deadly weapon. 

In our Pleasanton criminal practice, we draw upon our vast experience prosecuting misdemeanor and felony cases during our combined 50 years as Deputy District Attorneys and a Superior Court Judge. The cornerstone of our law firm’s success in Pleasanton is the extensive criminal law experience of lawyers Tom O’ConnorJason Runckel and Dan O’Malley.  In summary, our trial ability and negotiating skills are unsurpassed.

Located in Alameda County, Pleasanton, California was ranked the wealthiest middle-sized city in the United States by the Census Bureau in 2005 and 2007. Pleasanton is home to the headquarters of Safeway Inc.. Oracle and Kaiser Permanente. Although Oakland is the County seat for Alameda county, a few county offices and a courthouse are located in Pleasanton. Additionally, the main county jail is located in nearby Dublin. The Alameda County Fairgrounds are also located in Pleasanton. 

Pleasanton Resources

City of Pleasanton 

Pleasanton Police 

Superior Court – Alameda County

Free Consultation


JohnBurrough S.

San Francisco, CA

 5 Star Rating
As Seen On Yelp

I can not say enough about the efficiency and integrity this firm offered me. Their amazing trial experience from years of service in the Contra Costa DA's office proved to be invaluable to a very sensitive case I was involved in. What looked like potentially a life altering legal entanglement was converted into a very satisfying result on my behalf.