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


Planning and Building
Payments
Pay for your permit online with a debit or credit card HERE. 
*Minimum $2 or 2.5% convenience fee applies.

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
FLOOD DAMAGE ASSESSMENT - Link
Citizens of the County who have experienced flood damage/loss and costs associated due to the flood on Friday, February 7, 2020, are encouraged to fill out a flood damage assessment. Damages may include damage/loss to property, costs associated with Read on...
NOTICE: Are you prepared to travel in 2020?
Are you prepared to travel in 2020? Your standard license/ID is good for domestic air travel until September 30, 2020. After that, you will need a federally acceptable document for airport security. Follow the link below for more information on what Read on...
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