​Holiday Closing: all county offices are closed Monday, May 30, for the Memorial Day holiday, and will re-open Tuesday, May 31. This includes parks offices, public works, courts and all other administrative offices.

Public Safety & Courts

 Law Enforcement

District Attorney

​​The District Attorney

The rule of law in Collin County, fighting and prosecuting crime in a just and ethical manner  with an intense focus on justice and safety... more

The Sheriff

The Sheriff

Is responsible for enforcing the law in a fair and impartial manner to prevent and deter crime and, should that fail, to apprehend and detain those who are accused or convicted of violating the law... more

The Constables

​​​The Constables

Are the chief process servers of their geographical precincts (4), and are also required to serve as bailiffs in the Justice of the Peace courts... more

The Constables

Fire Marshal

Works to prevent and reduce the incidence of fire by increasing awareness and knowledge of residents and businesses, and by respecting fire safety and ensuring compliance with the fire code... more


 The Court System

The Districts Courts

​​​The Districts Courts

Jurisdiction is determined by the Texas Constitution and statutes. Generally speaking, the nine courts' jurisdiction includes felony criminal cases, civil cases with higher amounts of controversy, and family law matters... more

The County Courts at Law

​​​The County Courts at Law

Jurisdiction is also determined by the Constitution and statutes, but generally covers misdemeanor or criminal cases, Class-C Misdemeanor appeals, civil matters, mental health cases and probate matters among six courts... more

The Justice Courts

​​​The Justice Courts

Hold civil court (both justice and small claims) as quickly and judiciously as possible to relieve the caseload of the higher courts. Also, the five courts have criminal jurisdiction over such cases as bad checks, truancy, some traffic offenses, issue peace bonds and hold hearings. The judges also perform magisterial duties for criminal complaints, ordering arrests, search warrants, examining trials and appointing legal counsel... more

The Magistrate Court

The ​​​Magistrate Court

The primary responsibilities of the Collin County Magistrate Court include advising the defendants of their rights, determining probable cause, setting bond, and issuing warrants in criminal cases. The Magistrate may also issue and enforce bond conditions... more