Click to Home
Go To Search
Emergency Alert
Columbia County
341 E. Main St.
Dayton, WA 99328


Description: Columbia County GIS is responsible for the development and maintenance of the County’s digital maps, databases, data analysis, and GIS-based asset inventories. Columbia County GIS provides products and services to the general public and other agencies. These products and services include:

  • An online web map
  • GIS data requests
  • Printable PDF maps
  • Hard copy paper maps
  • Spatial analysis
  • Reporting to county departments, commissioners, and State agencies
  • Census reporting


Click Here for the Staff-only version

Downloadable Maps

Columbia County does not warrant, guarantee or accept any liability for the accuracy or completeness of any information shown hereon and any references therefrom. The information was compiled from the best information available at the time. The County recognizes that further field verification and / or research of records may reveal information that is contrary to the information on this map.

Be advised that the map layers on all maps accessible from this page have limited accuracy, and do not necessarily align with one another, especially when zoomed in closer than 1:24,000. In addition, some layers may not be recently updated. Columbia County makes no warranty of the accuracy or usefulness of this data. Columbia County is actively working to update and improve its map data. The improvements are often complex and is an on-going process.


Public Works
Ph: (509) 382-2534
Fx: (509) 382-4724

Columbia County Public Works
415 N Guernsey Ave
P.O. Box 5
Dayton, WA 99328

Home Contact Us Sitemap Accessibility Copyright Notice Powered by CivicPlus