Union County Auditor's Office in Union County, Ohio

About Union County Auditor's Office

The Union County Auditor's Office, located in Marysville, Ohio, determines the value of all taxable property in Union County, OH. 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 Union County property taxes owed by individual taxpayers.

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