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

Planning and Building
Meagan Bailey
Planning Director

Clint Atteberry
Building Inspector/Code Enforcement Officer

Dena Martin
Planning Clerk

114 South 2nd Street
Dayton, Washington  99328

Ph: (509) 382-4676

Mon. - Fri.
7 am - 4:30 pm

Building Inspection may be scheduled:
Mon. 8 am - 4 pm
Tues. 7:30 am - 4 pm
Wed. 7 am - 2 pm.
Thurs.7 am - 4pm
Fri. 7 am - 2:30 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. 

Regional Comprehensive Plans Have Been Opened for Updates!

To receive notifications on the Comprehensive Plan update and docket item amendments please email or call the Planning Department at 382-4676 and ask to be included on the Comprehensive Plan mailing list.

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
Ronan Road Closure
Columbia County will be removing the existing Ronan Road timber bridge at milepost 1.657 crossing Johnson Hollow Creek just southerly of Ronan Road’s junction with the Johnson Hollow Road and replacing that small bridge with a pipe arch culvert. Read on...
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