Columbia County Planning and Building oversees county land use, zoning, comprehensive plan updates, 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.
We are continuously updating our website to better assist you. Please email Dena Martin at For security reasons, you must enable JavaScript to view this E-mail address. if you have questions regarding the Planning and Building Department website or if you have any comments on how we can make this resource more useful for you.