Benton County Assessor's Office in Benton County, Washington

About Benton County Assessor's Office

The Benton County Assessor's Office, located in Prosser, Washington, determines the value of all taxable property in Benton 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 Benton County property taxes owed by individual taxpayers.

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