Stage 2 Fire Restrictions Enacted for Western Boulder County; Stage 1 Fire Restrictions Enacted for Eastern Boulder County.

Boulder County government offices closed Monday, Sept. 7, in observance of Labor Day.

Court Related Services
The Flatirons mountins with the 20th Judicial District Seal

Court Related Services

Find services related to the Boulder County Court System

  • 20th Judicial District / Boulder County
  • District Attorney District Court Division: The District Attorney’s (DA) Office first becomes involved in a criminal action on the day after a person is arrested for a felony crime or when the police refer a case to the DA’s office for a filing decision on felony charges.
  • District Attorney County Court Division: The County Court has original jurisdiction over all Colorado state misdemeanor and traffic cases. Find out more about court processes and common county court cases.
  • Boulder Municipal Court: The Boulder Municipal Court has jurisdiction over violations of city ordinances, including traffic, photo enforcement, parking, animal and misdemeanor criminal offenses that have occurred within the Boulder city limits.
  • Erie Municipal Court: The Erie Municipal Court adjudicates violations of the Town’s municipal ordinances and the Model Traffic Code, as amended by the Erie Municipal Code.
  • Lafayette Municipal Court: The Lafayette Municipal Court has jurisdiction to hear cases that deal with the City of Lafayette Municipal Ordinances, traffic violations, and parking violations.
  • Longmont Municipal Court: The Longmont Judicial Department is comprised of the Municipal Court and Probation. The Municipal Court is a court of limited jurisdiction and handles violations of the Longmont Municipal Code and Charter. It is located in the Safety and Justice Center, 225 Kimbark Street, Longmont, CO 80501.
  • Louisville Municipal Court: The Municipal Court oversees all aspects of the Louisville judicial process.
  • Lyons Municipal Court: The Sheriff’s Office provides law enforcement services by contract to the Town of Lyons. The Lyons Municipal Court hears cases regarding parking citations, traffic violations, misdemeanors, animal, and code violations that take place within the town limits.
  • Nederland Municipal Court: The Nederland Municipal Court meets at 8:30 am on the second Friday of each month in the Nederland Community Center. Contact the Court Administrator by email: Courtclerk@nederlandco.org or by phone: 720-643-9263 for more info.

The Sheriff’s Office provides law enforcement services by Superior Municipal Court contract to the Town of Superior. The Superior Municipal Court hears cases regarding parking citations, traffic violations, misdemeanors, animal, and code violations that take place within the town limits.

Contact Us

District Attorney's Office

303-441-3700 (Main Office)
303-441-4703 (Main Office fax)
303-682-6800 (Longmont Office)
303-682-6711 (Longmont fax)
for Hearing Impaired
please use Relay Colorado
boulderda@bouldercounty.gov

Boulder Justice Center


1777 6th St.
Boulder, CO 80302

District Attorney Seal

Mailing Address

Boulder District Attorney
P.O. Box 471
Boulder, CO 80306