Columbia County provides all building related services for the City of Dayton. This includes: building permits, inspections, general building questions, and building code interpretation and expertis.

For building related inquires, please contact the County Building Official: Clint Atteberry, at This email address is being protected from spambots. You need JavaScript enabled to view it. or by phone at (509) 382-4676.

Building permit applications shall be submitted to Dayton City Hall for Planning review and will be fowarded to the building department and other departments as deemed necessary. 

Building Permit Forms

Please click the applicable application link and download the form to your computer. Open the download outside your web broswer to ensure full use and compatibility of these forms. If you continue experiencing issues, you may This email address is being protected from spambots. You need JavaScript enabled to view it.

• Accessory Dwelling Unit Application
• Accessory Structure Application
• Commercial (ALL) Application
• Demolition Application
• Manufactured Home Placement Application
• Mechanical Application 
• Plumbing Application
• Reroof (ALL) Application
• Residential Addition Application
• Residential Remodel Application
• Single Family Dwelling Application
• Sign Permit Application

DID YOU KNOW?

Your building permit applications can be completed, signed, and submitted electronically!

This email address is being protected from spambots. You need JavaScript enabled to view it.

OTHER CONTACT INFORMATION:

Planning Department	(509) 382-2361
Building Department	(509) 382-4676
Dayton Public Works	(509) 382-2361
Columbia County Assessor	(509) 382-2131
Columbia County Auditor	(509) 382-4541
Dept. of Labor and Industries	(800) 547-9411
Call before you dig!	811 OR (800) 424-5555