Piatt County Assessor's Office in Monticello, Illinois

About Piatt County Assessor's Office

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

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