Texas Code of Criminal Procedure - CRIM P Art. 4.11. Jurisdiction of justice courts

(a) Justices of the peace shall have original jurisdiction in criminal cases:

(b) The fact that a conviction in a justice court has as a consequence the imposition of a penalty or sanction by an agency or entity other than the court, such as a denial, suspension, or revocation of a privilege, does not affect the original jurisdiction of the justice court.

(c) A justice court has concurrent jurisdiction with a municipal court in criminal cases that arise in the municipality's extraterritorial jurisdiction and that arise under an ordinance of the municipality applicable to the extraterritorial jurisdiction under Section 216.902, Local Government Code.