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


Planning and Building
Functions
Contact
Dena Martin
Associate Planner

Clint Atteberry
Building Official

114 South 2nd Street
Dayton, Washington  99328

Ph: (509) 382-4676

Hours
Monday - Thursday
7:00 am - 4:30 pm

Friday
7:00 am - 3:00 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 Dena Martin 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: Special Meeting/Work Session of the Board of Commissioners
The Board of Commissioners has scheduled 2020 budget review meetings for Tuesday, November 12th through Thursday, November 14th. Please see the attached schedule for further information. Read on...
NOTICE: BOCC Additional Work Session Times
The Board of Columbia County Commissioners has scheduled additional evening work session hours each month to receive public comments and questions from citizens. The Board will hold regular evening work session hours on the 3rd Monday of Each Month Read on...
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