Property Tax 101

Rock Island County, Illinois - Assessor's Office

The Rock Island County Assessor is responsible for appraising real estate and assessing a property tax on properties located in Rock Island County, Illinois. You can contact the Rock Island County Assessor for:

• Appealing your property tax appraisal
• Reporting upgrades or improvements
• Paying your property tax
• Your property tax bill
• Checking the Rock Island County property tax due date
• Information on your property's tax assessment

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The Rock Island County Assessor's Office is located in Rock Island, Illinois.
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Rock Island County Assessor Contact Information

Additional Rock Island County Information

Rock Island County Assessor's Office Services

There are three major roles involved in administering property taxes - Tax Assessor, Property Appraiser, and Tax Collector. Note that in some counties, one or more of these roles may be held by the same individual or office. For example, the Rock Island County Tax Assessor may also serve as the Rock Island County Tax Appraiser.

1. The Rock Island County Tax Assessor is responsible for setting property tax rates and collecting owed property tax on real estate located in Rock Island County.
2. The Rock Island County Property Appraiser is responsible for determining the taxable value of each piece of real estate, which the Tax Assessor will use to determine the owed property tax.
3. The Rock Island County Tax Collector is responsible for collecting property tax from property owners. They issue yearly tax bills to all property owners in Rock Island County, and work with the sheriff's office to foreclose on properties with delinquent taxes.

When contacting Rock Island County about your property taxes, make sure that you are contacting the correct office. You can call the Rock Island County Tax Assessor's Office for assistance at 309-558-3660. Remember to have your property's Tax ID Number or Parcel Number available when you call!

Please call the assessor's office in Rock Island before you send documents or if you need to schedule a meeting.
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Learn More

Find the tax assessor for a different Illinois county

Find property records for Rock Island County

The median property tax in Rock Island County, Illinois is $2,240.00

All of the Rock Island County information on this page has been verified and checked for accuracy.
If any of the links or phone numbers provided no longer work, please let us know and we will update this page.