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

City of Dayton Land Use Information
Planning and Building
Columbia County Planning and Building oversees building permits and inspections for the City of Dayton, as well as all land use planning services. If you cannot find what you are looking for, please contact our office at (509) 382-4676 or visit the City of Dayton website.

Check your permit fees here:
City Planning and Building Fee Schedule

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