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Columbia County
341 E. Main St.
Dayton, WA 99328

Planning and Building
Kim Lyonnais
Building Official/Planning Director

Greg Abramson
Senior Planner/Building Inspector

Meagan Bailey
Planner 1/Permit Coordinator

114 South 2nd Street
Dayton, Washington  99328

Ph: (509) 382-4676

Monday - Friday
7:00 am - 4:30 pm

Columbia County Planning and Building oversees land use, zoning, the comprehensive plan, and environmental uses. The department also provides building services for Columbia County, the City of Dayton, the Town of Waitsburg, the Town of Starbuck, and Garfield County. 

Planning Resources

Building Resources

We are continuously updating our website to better assist you. Please email or contact Meagan Bailey at if you have questions regarding the Planning and Building Department website or if you have any comments on how we can make this website more useful for you.

News and Announcements
NOTICE: Board of Commissioners Works Session
The Board of Commissioners has scheduled a work session for Wednesday, July 26th at 9:00 a.m. The purpose of the meeting is to discuss general county business. A resolution to impose a sales and use tax for E911 will be presented for adoption. Read on...
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