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


Building Permit Applications
Our most frequently requested building permit applications are available below. For our fee schedule, climatic criteria, energy code worksheets and more, visit out Building Information and Resources page. 

Accessory Dwelling Unit Permit

Accessory Structure Permit 

Commercial Building Permit

Demolition Permit

Manufactured Home Placement

Mechanical Permit

Plumbing Permit

Reroof Permit

Residential Addition Permit

Residential Remodel Permit

Residential Single Family Dwelling Permit

Sign Permit

Not finding what you need?
 Contact us at 509-382-4676 or email or .



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