Geographic Information Systems

Benton County Logo

      The purpose of the Benton County Geographic Information Systems Department is to develop and maintain a GIS to improve County efficiency and customer service. We seek to ensure that the County's public decision-makers and other users have access to geographic information that is complete, accurate, and reliable. We promote the use of GIS and related technologies to more effectively and efficiently address problems, develop plans, and manage various county resources.


The Parcel and Assess layer across all of our web maps now includes a property photo within the pop-up window of a selected parcel.


We have created a Property Variance map which gives the public the ability to generate a property variance along with a custom report. You will have the option to export a map, CSV file, or a report which contains a combination of a map and tabular data combined in one document.

We've updated the Benton County Public Works map and added the ability to view ROW documents and mylars. You can view these documents by using the links on the map header.

The Benton County Public Works Department now has an online map based reporting system for the public to submit any obstructions or hazards on a Benton County roadway.

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

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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