The Benton County GIS Department is responsible for the development and maintenance of the County’s digital map database. The Benton County GIS Department provides products and services to other agencies and to the general public. In general, such products and services include:

  • Digital Data - the base upon which all other GIS products are built
  • Spatial Analysis - a means to combine data from many sources to solve problems
  • Hard Copy Maps - plotted with unlimited combinations of data layers at any scale
  • Reports - primarily the result of a query or spatial analysis
  • Online Mapping - base maps available for public access and various Benton County departments
  • Training - provided to the staff of the various Benton County departments
  • Customer Service - prompt and courteous assistance to the public and to all clients


Hours: Monday - Friday 8:00am - 12:00pm / 1:00pm - 5:00pm

620 Market Street, Prosser, WA 99350 / Prosser: 509-786-5485 / Kennewick: 509-222-3725 




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