Jason Cox is from Houston, Texas. He has a bachelor's degree from Texas A&M University and a law degree from the University of Houston Law Center. 

Jason is a judge for Harris County Probate Court No. 3. He has been in this role since January 1, 2019. Before taking the bench, he worked as an attorney for 15 years, specializing in probate law. He also served as an adjunct professor at the University of St. Thomas in Houston, where he taught pre-law classes. 

Jason Cox - Ballotpedia

Jason previously worked as an attorney. He also served as an adjunct professor at the University of St. Thomas in Houston, where he taught pre-law classes. 

Jason is currently a judge of the Harris County Probate Court No. 3. He was first elected in 2018 and re-elected in 2022. 

As an attorney for 15 years specializing in probate, Judge Cox has experience as a writer and speaker in the legal field.

As an attorney for 15 years, researched, drafted, and filed legal documents, and provided defense and counsel to clients, specializing in probate ranging from large financial institutions to indigent individuals. 

- As an attorney for 15 years, researched, drafted, and filed legal documents, and provided defense and counsel to clients, specializing in probate ranging from large financial institutions to indigent individuals. 

Legal Experience

Supported the court providing legal education classes for attorneys practicing in areas of probate and mental health.

Supported the court providing a social work internship program, a court clerkship program, and speaking engagements for community groups across the county.

Supported the court implementing new procedures and technology  to allow remote work and hearings during the COVID-19 pandemic.

Revised the court appointments system to ensure more equitable and diverse appointments.

Created new programs such as an outpatient treatment for people suffering from mental illnesses.

- Supported the court providing legal education classes for attorneys practicing in areas of probate and mental health.
- Supported the court providing a social work internship program, a court clerkship program, and speaking engagements for community groups across the county.
- Supported the court implementing new procedures and technology  to allow remote work and hearings during the COVID-19 pandemic.
- Revised the court appointments system to ensure more equitable and diverse appointments.
- Created new programs such as an outpatient treatment for people suffering from mental illnesses.

Judicial Administration

Believes in public service and treating everyone who comes before the court with courtesy, dignity and respect.

Believes in innovation and creating new programs that expand mental health services in the county.

- Believes in public service and treating everyone who comes before the court with courtesy, dignity and respect.
- Believes in innovation and creating new programs that expand mental health services in the county.
- Values accessibility.

Judicial Philosophy

As of January 22, 2026, Jason Cox’s website did not contain information on this issue.

Ethics & Conduct

Prioritizes community outreach, exemplified by the creation of the Assisted Outpatient Therapy program (AOT) in partnership with local organizations to support residents struggling with mental illness.

Assisted with the creation of the Assisted Outpatient Therapy program (AOT) in partnership with local organizations to support residents struggling with mental illness.

Volunteered at M.D Anderson Cancer Center.

- Assisted with the creation of the Assisted Outpatient Therapy program (AOT) in partnership with local organizations to support residents struggling with mental illness.
- Volunteered at M.D Anderson Cancer Center.

Community Involvement

Twitter

Facebook

Instagram

Jason Cox

Isaac Brickman

Walter Ley

- Texas county probate judges handle all cases in probate, including estate administration, wills, guardianships, and incapacitation cases.
- There are a total of 24 probate judges across 12 counties within the state.
- They are paid an annual salary between $158,000 and $193,400.

Harris

This sample ballot may not include all local party roles or measures on the official ballot. The listed candidates serve only within their party, and the propositions do not change the law.

Harris Probate Court Judge, Democratic Primary

Election results

Candidates (1)