Assessment Office:

Chief County Assessment Office
Property Tax Relief

Home Improvement Exemption

This exemption defers, for four (4) years, any increase in the assessment of your property as a result of improvements such as:  a deck, addition, garage, porch, finished Ground-level, etc., for which the assessor would add value.

  • A maximum of $75,000 of market value may be deferred under this program.
  • Improvements are generally not assessed until January 1st of the year following the completion of the improvement. The Township Assessor automatically applies for this exemption on behalf of the homeowner.
  • Must own, occupy and be used exclusively for a residential purpose.

If you should have any questions, you may call or write the Chief County Assessors Office or contact your Township Assessor.

Larry A. Wilson - Chief County Assessor
Rock Island County Office Building (map ExternalLink.gif)
Second Floor - 1504 Third Avenue, Rock Island IL, 61201-8624

Phone: (309) 558-3660     Fax: (309) 558-3658   Email: [email protected]
Hours: 8:00 AM to 4:30 PM - Monday thru Friday