BULLHEAD CITY, Arizona – August 13, 2025 – Bullhead City Police Chief Robert Trebes has announced he will retire on September 17, 2025, marking the conclusion of nearly 21 years of service with the department. Trebes will remain in his role until his retirement takes effect on Constitution Day, a date he says is “very meaningful” to him.

In his resignation letter, Trebes expressed heartfelt gratitude for the opportunity to serve as the city’s top law enforcement officer.

“It has been such an honor to lead the men and women of this organization and to help guide our personnel in providing the best service possible to the amazing citizens of Bullhead City,” Trebes wrote. “Thank you so much for believing in me and blessing me with this great honor!”

Trebes began his career with the Bullhead City Police Department in October 2004. He advanced through the ranks—promoted to sergeant in January 2016, lieutenant in May 2017, and chief of police in February 2021.

Under his leadership, the department added 10 officer positions, implemented a new records management system, trained every sworn officer in constitutional law, and expanded community engagement initiatives.

City Manager Toby Cotter praised Trebes’ service, stating:

“Chief Trebes has served our community with dedication, professionalism, and integrity throughout his distinguished career. His steadfast commitment to the men and women of the department and to the people of Bullhead City has made a lasting impact. His legacy is one of service and a tireless pursuit of making Bullhead City a safe place to live, work, and visit.”

Reflecting on his tenure, Trebes expressed pride in the department’s achievements and deep appreciation for the community.

“As I look back on my time here, it brings a lot of joy to my heart, knowing I helped our citizens… to be able to live out the American dream,” he wrote.

City Manager Cotter will oversee a nationwide search to select Bullhead City’s next Chief of Police.