Winnebago County Assessor's Office in Rockford, Illinois

About Winnebago County Assessor's Office

The Winnebago County Assessor's Office, located in Rockford, Illinois, determines the value of all taxable property in Winnebago County, IL. 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 Winnebago County property taxes owed by individual taxpayers.

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