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Welcome to the Prosser Police Department webpage!



The Department consists of Police Chief John Markus, two Sergeant‘s, a Senior Administrative Assistant, Administrative Secretary, Community Service Officer, and 12 Commissioned Police Officers. To view the Prosser Police Department's Staff Directory click here.

The mission of the Prosser Police Department is to protect the lives, rights and quality of life of all the residents and visitors we serve with honor and integrity. The men and women of the department are fully committed to accomplishing this mission by achieving four fundamental objectives, listed below.
  • Crime Prevention To provide a proactive and educational approach to reducing crime. Our primary function is to prevent crime. Officers must be in the right places, at the right times, doing the right things. Officers are encouraged to "own" the beat they patrol and work in partnership with residents to address crime and solve neighborhood problems.
  • Crime Control To provide a rapid and professional response to confront crime as it occurs. We are committed to respond appropriately when crime occurs. This commitment includes a sure first response, thorough and complete investigations, continuing analysis of crime and the shifting of resources to address emerging trends. We are also committed to partnerships in the greater law enforcement community to maximize our resources and expertise.
  • Community Involvement To create an excellent partnership with the community through exceptional communication and transparency. We realize that crime problems can only be effectively addressed in partnership with the community. We have a duty and a responsibility to maintain a relationship with the public that reflects the tradition that "the police are the public and the public are the police." We must constantly work to maintain and develop new bonds with the community and be committed to earning and maintaining public trust.
  • Team Building To create an excellent work environment so we can recruit and develop an exceptional team. We realize that we must create excellence from within. Every member of the department is committed, first by dedication to our mission and then by putting the needs of others ahead of their own, to contributing to an environment where we can recruit, train, develop, and retain the very best team of professionals.