17th Judicial DA

Colorado's 17th Judicial District Attorney's Office

Serving the Residents of Adams and Broomfield Counties

District Attorney Brian S. Mason

A Message from the District Attorney

Welcome to the District Attorney’s Office for Colorado’s 17th Judicial District.  It is an honor to serve this community as your District Attorney. 

The District Attorney’s Office is focused on two primary goals: keeping the community safe and making our criminal justice system better. We do this by pursuing justice with integrity in every case and by holding ourselves to the highest standards of ethics and excellence. 

There are many challenges facing the criminal justice system and our community right now. Here at the District Attorney’s Office, we are committed to the following overarching goals: 

  •       Fighting for the vulnerable
  •       Seeking justice for victims      
  •       Prosecuting offenders who commit violent crimes, domestic violence, human trafficking, drug trafficking, and other serious crimes that harm our community 
  •       Acknowledging issues of racism, both implicit and explicit, within our system  
  •       Focusing on education, outreach, and crime prevention, not just prosecution
  •       Exploring alternatives to incarceration and keeping people out of the criminal justice system when diversion programs and other alternatives will keep the community safe      
  •       Addressing the mental health crisis in the criminal justice system and our profession.  

The professional staff of the District Attorney’s Office works tirelessly, day and night, to serve this community with integrity and professionalism. In short, we are committed to doing the right thing – at all times – in every case. That is our pledge. And we will do so with an abiding commitment to justice, integrity, fairness, empathy, transparency, courage, and the rule of law.  

Meet Brian Mason Brian Mason’s Inaugural Address
Fight Against Fentanyl

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Prosecution News Updates

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Sexual and Domestic Violence

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Resources for Victims

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Mental Health 

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Financial Crimes

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Our Mission and Commitment to You:

The 17th Judicial District Attorney’s Office is committed to seeking and pursuing justice on behalf of victims of crime through the fair and ethical prosecution of those who commit offenses in our community. With a focus on education, treatment, and a reduction in recidivism, the District Attorney’s Office will also work vigorously to reform the criminal justice system to better serve the citizens of Adams and Broomfield Counties. 

Latest News and Press Releases

Broomfield Defendant Convicted of Manslaughter, Sentenced to 24 Years in Prison for Killing 71-Year-Old Man While Breaking Into Cars
Posted Sep 6, 2023
Broomfield, CO — Today, 17th Judicial District Attorney Brian Mason is announcing the jury’s verdict and subsequent prison sentence for Joseph Maestas-Sanchez, 24, following a six-day jury trial in Br
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17th Judicial District Attorney's Office Files Attempted Murder, First-Degree Assault on a Peace Officer Charges Against Matthew Lucero
Posted Sep 5, 2023
Brighton, CO —Today, the 17th Judicial District Attorney’s Office is announcing the filing of an Attempted Murder charge against Matthew Lucero, 34, related to his alleged actions that resulted in inj
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District Attorney, Community Reach Center, Thornton Police Chief Secure Approval for a Youth Shelter to Safeguard Youth in Crisis in Adams County
Posted Aug 31, 2023
Brighton, CO —Today, District Attorney Brian Mason, Community Reach Center, and Thornton Police Chief Terrence Gordon are pleased to announce that a youth shelter will be opening in Adams County later
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Media Alert: Adams and Broomfield Counties 3rd Annual Senior Law Day, September 9, 2023, Limited Seats Filling Fast, Register Soon!
Posted Aug 29, 2023
  District Attorney Mason assumed the oath of office on January 12, 2021. The 17th Judicial District Attorney’s Office endeavors to seek justice on behalf of the citizens of Adams and Broomfield coun
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