Grundy County

Official Website of Grundy County Government Offices

Why do property assessments change?

  • The property values in the area are changing.
  • Improvements were made to the property (e.g., and addition to your home extensive remodeling; a new deck, porch, or patio).
  • The property was incorrectly assessed in relation to similar type properties or an error in computation was discovered and has been corrected.