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Our office has temporary extended hours: August 25 - Sept 2 7:30am to 5:30pm
Board of Review Appeal Deadline: September 22, 2008 New Assessments are now published on this site
(Please remember, Parcel Information from our web site is not useable as evidence in an appeal)
What do all these numbers on my tax bill mean?
Residential Assessment Appeal Forms
Board of Review Assessment Appeal Process
Join us for our Tax Payer Education Forums We have added an evening events.
Newsletter
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According to state law, the Supervisor of Assessments Office provides statistical assessment performance data to the Illinois Department of Revenue. In addition, it gives technical advice and provides statistical analysis of assessment data to the township assessors and the Will County Board of Review. These statistics are derived from data gathered in the processing of approximately 25,000 Real Estate Transfer Declarations annually. |
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The Supervisor of Assessments Office also maintains records of total exempt properties and administers other special exemptions, such as the Senior Homestead Exemption, the Senior Assessment Freeze, the Veterans Exemption, the Veterans/Fraternal Organization Assessment Freeze, the Open Space Preferential Assessment Type, and the Model Home Exemption. In all, our office will grant over 30,000 Senior Homestead Exemptions and 10,875 Senior Assessment Freeze Exemptions for the 2007 tax year. |
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The Supervisor of Assessments acts as an equalization authority, and, as such, works closley with the twenty-four township assessors, who are responsible for the initial assessed valuation calculation. The Supervisor of Assessments also serves as Clerk of the Board of Review.
Other duties of the Supervisor of Assessments Office include: isssuing parcel PIN numbers, maintaining the county’s base parcel map, publishing assessment change notices and mailing notices to taxpayers. |


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