Judge De Leon is happily married to Frances De Leon and they have four ​children, Alexis, Jake, Alena, and Leila, and three beautiful grandchildren. ​They are members of Saint Andrew Catholic Church in Fort Worth, Texas. ​He and his wife are heavily involved with the church, children’s school PTA ​as Board Members and their favorite past time is hosting their children and ​grandchildren for weekly Sunday dinners.


Sergio De Leon received his Bachelor of Science degree in Political ​Science from Texas Wesleyan University (TWU) and a Master of Arts ​degree in Criminology and Criminal Justice from the University of Texas at ​Arlington (UTA). Currently, Judge De Leon serves as an Adjunct Professor ​on the American Judicial System at the University of Texas at Arlington.

In November 2000, Sergio L. De Leon was elected Tarrant County ​Constable - Precinct 5. As Constable, he is credited with transforming the ​law enforcement agency into a professional county law enforcement ​department that created partnerships with neighborhoods, schools, and ​surrounding law enforcement agencies. Through his community advocacy ​and leadership, he successfully developed, implemented and executed ​multiple community initiatives, such as, Warrant Round Up’s for Child ​Support Enforcement efforts, the development of the Special Response ​Team (SRT), a team which consisted of highly trained deputy constables ​called out to make forcible entry on any barricaded subjects along with ​arresting any subject deemed to be dangerous, as well as, providing a ​security detail for visiting dignitaries. He led a security detail for former ​Mexican President Vicente Fox and First Lady Marth Fox, Former Canadian ​Prime Minister Jean Chretien and Former Nigerian President Olusegun ​Obasanjo.

In November 2012, Sergio De Leon was elected Justice of the Peace - ​Precinct 5, where he serves as the Chief Legal and Executive Officer ​enforcing adherence to legal guidelines and in-house policies maintaining ​the court’s lawfulness and business ethics. A testament to his exemplary ​leadership, he created a partnership with then Texas Wesleyan University ​Law School which facilitated a legal internship program and spearheaded a ​Peace and Constable Town Hall Meeting to address community needs.


Within his jurisdiction and realm of landlord-tenant cases, Judge De Leon ​recognized that one family eviction was one too many. Immediately after ​taking office, Judge De Leon partnered with Tarrant County Human Services ​Department and the Fort Worth Neighborhood Office to supply litigants ​with information on rental assistance. To create a comprehensive ​community response, he also formed an alliance with Tarrant County ​Workforce Solutions to provide job training opportunities and job ​placement for litigants who were either unemployed or underemployed.

In December 2016, Judge De Leon’s Court received the “Best Practice ​Award” for Innovation by initiating the “Honorary Jurors Program” from the ​Texas Association of Counties (TAC). Since the program was initiated, over ​400 hundred students, traversing 20 Fort Worth Independent School ​District (FWISD) schools, have participated. The program invites students ​to serve as honorary jurors and observe live court proceedings. The ​program has been a tremendous success and featured in the Fort Worth ​Star Telegram and the Texas Association of Counties Magazine.


Judge De Leon is the former President of Texas Justice of the Peace and ​Constables Association of Texas (JPCA), Board member on The National ​Association of Latino Elected and Appointed Officials (NALEO) and Alumni ​Board Member at Texas Wesleyan University (TXWES). He is also a past ​Board Member of the Fort Worth Police and Fire Memorial Board and ​Visions of My Health My Resources of Tarrant County.