Round Rock's Choice in Criminal Defense For Over 20 Years

A Criminal Defense Attorney Who Fights For You Welcome to the Round Rock Law Office of Jason Trumpler

Have you been arrested? Is a loved one in jail? You need a lawyer you can trust like Jason Trumpler. We can be reached by phone 24/7 to assist with jail release. Contact our legal practice today or give our Round Rock law office a call. We will get back to you as soon as possible.

Call (512) 693-7316

Our Round Rock Location  Conveniently Located and Plenty of Parking

1000 Heritage Center Cir
Round Rock, TX 78664

Directions To Our Round Rock Law Firm No GPS Needed

Our law firm is conveniently located off Monarch Hwy. and E. Palm Valley Blvd. near the Round Rock Shopping Center. If you're coming from Downtown Round Rock, follow our driving directions below:

  • Head north on S Sheppard St. toward E Main St.
  • Turn left at the first cross street onto E Main St. 
  • Turn right at the second cross street onto N Mays St.
  • Turn right onto E Palm Valley Blvd.
  • Turn right onto Heritage Center Cir.
  • Our office will be on your right.

If you've hit the loop at the end of the road, you've gone too far. Contact us if you are having trouble finding our office.

Free Consultations To Our Round Rock-Area Clients


Our criminal defense attorney offers free consultations for local cases, such as DUIs, domestic violence, and theft. For larger cases, like federal drug cases, our defense attorney may require a consultation fee.

Scared of Criminal Charges in Round Rock? Contact Our Criminal Defense Lawyer

If you're looking for a quality defense in the Round Rock area, you want to call attorney Jason Trumpler. A criminal charge of any kind can affect your entire life, from your career to your relationships. Our criminal defense attorney can fight to protect your rights and your future. From misdemeanors to felonies, our attorney can help you get your life back. 

Contact our Williamson County law firm to request your consultation.

(512) 693-7316

Attorney Jason Trumpler

Williamson County Recommends Our Attorney "Put your future in hands you can trust, go with Jason Trumpler."


Benji A


Google logo

Case Dissmissed! Jason is straight forward and honest. I am beyond grateful. Jason and his team (Tony Sun in particular) exceeded expectations. Put your future in hands you can trust, go with Jason Trumpler.

View On Google

kevin d


Google logo

Jason did not make any false promises or sugar coat anything; something that I found to be rare when looking for an attorney. He got the job done quicker than expected with a reasonable price.

View On Google

Jason Trumpler Our Round Rock Attorney

A Record of Legal Success

Mr. Trumpler has handled thousands of criminal cases and has seen a high success rate at getting charges dismissed and helping the defendants recover their lives.

Defense from a Former Prosecutor

Being a former prosecutor, Mr. Trumpler understands the full scope of criminal law. He can think like a prosecutor, which improves his approach as a defense attorney since he can prepare for the opposing side's strategy.

Direct Interaction with Your Attorney

We are a single-attorney law firm. You will only deal with Mr. Trumpler, and you can rest assured your case will not be passed into another attorney's hands.

Our Round Rock criminal defense lawyer is here to help if you are facing a DWI, assault, drug, or any criminal charge.

Jason Trumpler - Attorney at Law

Mr. Trumpler's Memberships and Affiliations

ABA logo
DUI Defense Lawyers' Association logo
National College for DUI Defense logo
National Association of Criminal Defense Lawyers logo
Austin Bar Association logo
AVVO logo
Texas Bar College logo
WCBA logo

Why Round Rock Residents Choose Mr. Trumpler As Their Criminal Defense Attorney

When your world has been turned upside down by a criminal charge, you need an attorney you can trust. Mr. Trumpler fights for his clients and helps them get their lives back after a life-altering arrest.


Mr. Trumpler understands the importance of keeping his clients informed. He constantly communicates with his clients throughout their cases to ensure they are aware of everything happening. He is also honest about which next steps you should take and the outlook of your case. 


Our law firm is available to take your call 24 hours a day, seven days a week. Contact our law firm to secure your defense if you've been arrested for a DWI. Once we take your case, our criminal defense lawyer is available at all hours to keep you informed and answer any questions. 


Our defense attorney provides quality representation to all his clients. With his extensive knowledge of criminal law, he is able to help you understand your charges and how he can work to get them dismissed. He will build you a solid criminal defense so you can focus on getting your life back.

Criminal Charges Our Attorney Can Fight

No matter the charge, our criminal defense attorney is there for you every step of the way, even if that means going to trial. Contact our Round Rock practice if you are facing any of the following charges:

Driving While Intoxicated (DWI)

Our criminal defense lawyer has tried over 100 DWI cases in Texas and California. He is a member of the National College for DUI Defense® and the DUI Defense Lawyers Association. He has helped countless defendants get their DWI charges dismissed or reduced.

Domestic Violence

A domestic violence charge can dramatically impact your future. Our defense attorney can help protect your rights and find the best possible resolution. He has helped many clients get their assault and family violence cases entirely dismissed.


If you are facing drug charges, you need an attorney knowledgeable about criminal law. Mr. Trumpler will do everything in his power to minimize your charges to help you move on with your life and secure your future.


Being a former prosecutor, Mr. Trumpler understands there are two sides to every story. If you've been charged with assault or a violent crime, you need an attorney who can anticipate the prosecutor's strategy and effectively represent your side of the situation. 

An Additional Law Office in Austin

Jason Trumpler also has an office located in Austin that can be reached by phone 24/7. This is part of his commitment to providing quality criminal defense to people throughout Texas.

Our Clients Are Our Priority "He really cares about you and your future."

"I was given a very serious charge that would've devastated my future. Jason was super professional and treated me with the utmost respect through the entire process. He was also very honest about the nature of the situation and that the charges would potentially have implications on my future. We explored the different opportunities of the situation and I ultimately allowed Jason to handle the situation in the way that he saw proper.

"This resulted in my charges being dropped.

"Get Jason, he makes for a great lawyer who really cares about you and your future."
Jason Trumpler

The Law Offices of Jason Trumpler

Jason Trumpler has handled thousands of criminal cases over nearly 20 years. He is a current or past member of several national, state, and local legal associations, including:

  • American Bar Association
  • Austin Bar Association
  • Williamson County Bar Association
  • National College for DUI Defense®
  • Texas Criminal Defense Lawyers' Association
  • National Association of Criminal Defense Lawyers
  • Austin Criminal Defense Lawyers Association
  • DUI Defense Lawyers Association

Contact our firm online or call us at (512) 457-5200 for a free case review.

Contact Us Today

Rate, Review & Explore

Social Accounts Sprite