Columbia County Planning and Building oversees building permits and inspections for Columbia County, the City of Dayton, the Town of Waitsburg, the Town of Starbuck, and Garfield County. If you cannot find what you are looking for, please contact our office at (509) 382-4676.
Planning and Building FAQs
We accept checks or exact
cash. Please make checks payable to the Columbia County Treasurer.
Check your permit fees here:
Building Fee Schedule
Planning Fee Schedule
Building Permit Applications
Find City of Dayton Permits and Forms HERE
Columbia County Application Forms