Assessment Explanation 2019

Important Dates:

  • August 2, 2019 – Notices mailed by the Will County Supervisor of Assessments
  • August 7, 2019 – Date of Notice
  • August 7, 2019 – Assessments published in Herald News (815.526.4439)
  • September 9, 2019 – Deadline to appeal

Notice of 2019 Quadrennial Assessment:
This is notifying you of the new figures that will be used to calculate your tax bill in April 2020. Click here for more info.

Township multiplier: 
Every assessment was reviewed for the 2019 Quadrennial Reassessment. Most properties in Plainfield Township increased between 6% and 13%. In addition to the reassessment by the Township Assessor, the Will County Supervisor of Assessments issued a 2019 multiplier of 1.0100 to residential properties. The Quadrennial Reassessment and the multiplier issued by the county were based on the Department of Revenue’s Sales Ratio Study. The study compared three years of sales (2016, 2017, and 2018) to assessments, with the goal of bringing the assessment level to 33 1/3%.

How do I know if I’m being fairly assessed?
Compare your assessment to similar properties in your neighborhood. Homes that are similar in style, size, age, location, and amenities, should have like assessments. Additionally, research recent sales in your neighborhood. Typically, comparable homes sell for similar amounts. Your assessment should reflect the market of your neighborhood. The “Property and Assessment Search” on this website can aid you with these tasks or we’d be happy to discuss the situation with you over the phone or in person.

How do I appeal my assessment?
If you feel that you are over-assessed, please call our office to discuss your concerns. Many issues can be resolved without filing a formal appeal. If we are unable to adjust your assessment, you may appeal to the Will County Board of Review. An attorney is NOT required for most residential homeowners (see Board of Review Rule #9). As a homeowner you have the right to represent yourself, free of charge. Appeal forms can be obtained either at our office or online at As always, we are happy to assist homeowners with the process.

Special Notice: If you have received a letter from a Real Estate Consultant or Tax Appeal Representative (in regards to appealing your assessment), please contact our office prior to spending money on those services. Many of those letters contain misleading or inaccurate information about your assessment and the appeal process. In most cases, a third party is not necessary to resolve an issue with your assessed value.

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