District Court Division
Chief DPA - Diana Ruff

The District Court Division prosecutes misdemeanor criminal matters that occur in the unincorporated area of Benton County. Prosecution includes advise to law enforcement officers during investigations, pretrial hearings, trials, sentencing hearings and appeals.

The District Court Division is responsible for screenings and prosecuting all criminal traffic and misdemeanor cases.  It also handles appeals to the Superior Court cases from convictions in District Court. 

The District Court Division is led by Chief Deputy Prosecuting Attorney Diana Ruff along with the following attorneys:

Diana Ruff
Chief Deputy Prosecuting Attorney

Sheri Miller

      Office Location

      Benton County Justice Center

      7122 W Okanogan Place, Bldg A 
      Kennewick, WA  99336 
      Phone: (509) 735-3591
      Fax: (509) 736-3066


      Benton County    620 Market Street    Prosser, Washington 99350
      Phone: (509) 786-5710 or (509) 783-1310
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