About Attorney Jason Trumpler

Austin Criminal Defense Lawyer

Jason Trumpler is a respected attorney serving the people of Austin, TX, and the greater Texas area. He is a former prosecutor with exceptional trial experience. Mr. Trumpler graduated magna cum laude from Whittier College in 1997, with a Bachelor of Arts degree in Political Science. He obtained his law degree from the University of Texas at Austin School of Law in December 1999.

Contact our firm at (512) 359-3300 to get in touch with Jason Trumpler and his associates.

A Distinguished Career

Before opening the Law Offices of Jason Trumpler, Mr. Trumpler was the supervising attorney of the Orange County, CA office of The Law Offices of Myles L. Berman, a firm that specializes in drunk driving defense. Prior to working for The Law Offices of Myles L. Berman, Mr. Trumpler spent three years working for the Orange County District Attorney's Office.

During his tenure with the Orange County District Attorney's Office, Mr. Trumpler handled thousands of criminal cases at both the pre-trial and trial stage. In addition, he trained law enforcement officers throughout Orange County. Mr. Trumpler also previously worked with the Ventura County District Attorney's Office as a Deputy District Attorney. In that capacity, he also handled hundreds of cases.

Over his career, Mr. Trumpler has completed more than 100 jury trials. He concentrates his practice in defending people accused of crimes throughout Central Texas. Mr. Trumpler has offices in Austin, Texas and Round Rock, Texas for your convenience.

Additionally, Mr. Trumpler is a proud veteran of the United States Army. He received his Honorable Discharge in April of 2003. He served his country from 1996 to 1997 as a peace keeper in the former Yugoslavian Republic of Bosnia. In his spare time, he enjoys spending time with his four sons, reading, and traveling.

Licenses & Affiliations

Mr. Trumpler was originally licensed in California in 2000 (Bar # 210564). Mr. Trumpler has been licensed to practice law in the State of Texas (Bar # 24053913) since 2006.

He has also been admitted to practice before the United States District Court in:

  • Western District of Texas
  • Eastern District of Texas
  • Northern District of Texas
  • Southern District of Texas
  • Central District Court of California

Mr. Trumpler is or has been a member of the Texas Criminal Defense Lawyers' Association, DUI Defense Lawyers Association, Austin Bar Association, Williamson County Bar Association, the National College for DUI Defense®, the National Association of Criminal Defense Lawyers, and the Austin Criminal Defense Lawyers Association.

Schedule a Consultation Today

Mr. Trumpler is the managing director and managing attorney at the Law Offices of Jason Trumpler. He works on a variety of cases, including criminal defense and DWI. Initial consultations with Mr. Trumpler are free and confidential.

To speak with Mr. Trumpler or a member of our team, contact our office online or call (512) 359-3300.

Client Testimonials

Real Stories From Real Clients
  • “Very organized and professional.”

    Former Client

  • “Highly recommend.”


  • “He doesn't sugar coat things, but fights for your case with all he had and fights for you hard.”


  • “This was by far the most stressful situation I've ever had to deal with and Jason was always very reassuring and confident which lowered my stress level quite a bit.”

    Former Client

  • “He’s also the only one that replied to my requests for legal assistance.”


  • “He is a fabulous person, has a big heart, and knows exactly what needs to be done, and when. Jason is the man!!”

    Former Client

  • “He’s going to represent you very well!”

    Former Client

  • “Jason was quick to point out a relevant law perspective along with a very experienced understanding of the processes and people in the Williamson County jurisdiction.”


  • “Jason Trumpler is a fantastic lawyer.”


  • “Couldnt have done this without you!”

    Former Client

  • “I cannot express enough gratitude for the work you did for my family. God Bless you and your FAMILY! ”

    Client's Mother in Law

  • “He is honest, dependable, & really cares about his clients.”

    Former Client

  • “He took care of the case promptly and professionally, with the desired outcome.”


  • “Mr Trumpler worked hard for our son to have the best outcome!”


  • “Highly recommend.”

    Former Client

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