Columbia County Assessor's Office in Columbia County, Washington

About Columbia County Assessor's Office

The Columbia County Assessor's Office, located in Dayton, Washington, determines the value of all taxable property in Columbia County, WA. Taxable property includes land and commercial properties, often referred to as real property or real estate, and fixed assets owned by businesses, often referred to as personal property. Property assessments performed by the Assessor are used to determine the Columbia County property taxes owed by individual taxpayers.

• Columbia County, WA property tax assessments
• Property tax appeals and reassessments
• Paying property tax bills and due dates
• Property tax rates and tax roll
• Columbia County GIS maps, property maps, and plat maps
• Property records and deeds in Columbia County