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Important Dates

Important Dates to Remember

  • January 1 - Effective date of current assessment.
  • April 2 thru April 25 inclusive - Property owner may request an informal review of their assessment by the assessor. 
  • April 2 thru April 30 inclusive - Protest of assessment period for filing with the local Board of Review. Board of Review Petition 
  • May 1 thru adjournment - Board of Review meets each year.
  • July 1 - Filing deadline for new Homestead Credit and Military Exemption applications. Owners must own and occupy their property on or before July of the year for which the credit is claimed.
  • October 9 thru October 31 inclusive - Protest period for filing with Board of Review on those properties affected by changes in value as a result of the Director of Revenue and Finance Equalization Orders (odd numbered years). 

    Filing is required on the following, if provisions have been made for exemptions as required:


    • Fruit Tree Reservations
    • Impoundment Structures
    • Native Prairies
    • Open Prairies
    • Forest Cover
    • River and Stream Banks
    • Recreational Lake
    • Disabled Veterans' Homestead Credit


    • Family Farm Credit
    • Homestead Credit
    • Military Exemption
    • Forest Preserve
    • Pollution Control
    • Wildlife Habitat


    • Wetlands
    • Urban Revitalization
    • Industrial Partial 427B
    • Geothermal Property Tax Exemption