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Appealing An Assessment

Reasons for an Appeal

A legitimate reason is needed to appeal a property tax assessment. The following reasons would require proof:

  • The assessed value of the property is higher than its property's actual market value, which would be determined by a recent sale or appraisal.
  • The assessment of the property is based on inaccurate information such as incorrect lot or building dimensions.
  • The assessment of the property is higher than similar surrounding properties.

Steps to Appeal an Assessment

1. Determine the fair market value of the home.

Several methods may be used to determine the current value of the property.

  • Obtain a professional appraisal.
  • Determine the selling prices of several comparible properties by using the previous three (3) years sales. The assessed values of those properties may be obtained from the assessor property record cards. The record cards, along with assessment records of any property may be inspected by taxpayers. Copies of real estate transfer declarations or other evidence of the sale price of any property are also available.

Note: If the home was built recently, its market value can be calculated using the actual cost of the structure and the purchase price of the land. Keep in mind that construction costs do not always equal actual value.

2. Determine the assessed value of the property.

The Coe Township Assessor's office maintains the property record cards that list the assessed values. Properties in all Illinois counties, except Cook county, are assessed at one-third of their actual market value. Therefore, the assessed value of the property should be close to one-third of its actual market value.

3. Discuss appraisal concerns directly with the Coe Township Assessor.

Incorrect assessments may be corrected without using the formal appeals process. The assessor should be notified of incorrect assessments early in the calendar year.

4. Determine the basis for the formal complaint.

After reviewing the information and discussing concerns with the assessor, determine if there is still a basis for a formal complaint.

5. File a written complaint with the Rock Island County Board of Review.

All Illinois counties have a local appeal board, known as the County Board of Review. Complaints must be filed in writing within thirty (30) days of the assesed publication date. Assessments are published in the local paper.

The Rock Island Board of Review office furnishs complaint forms and schedules hearing dates. Forms are also available at the Coe Township Assessor's office or they may be downloaded at the Rock Island County website. Hearings are held at the Board of Review office in the Rock Island County building located at 1504 3rd Avenue, Rock Island, Illinois. The Supervisor of Assessments serves as the Clerk of the Board of Review and can answer questions when the Board is not in session.

The Board of Review has the power to raise or lower individual assessments and they may also adjust assessments on their own initiative. However, assessments can not be raised without proper taxpayer notification, and taxpayers are given an opportunity for a hearing. It is important to remember that tax bills are based on assessments. The Board of Review may adjust assessments but they do not have the authority to change a tax rate. After deliberating, the Board of Review will provide written notification of their decision.

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Coe Township Assessor

9327 239th Street North

Port Byron, Illinois 61275






Office Hours:

Afternoons by appointment. Please call and leave a message to schedule your appointment. The Assessor will make every effort to return your call within one working day.