Winnebago County, Illinois Tax Assessors' Office
Winnebago County Supervisor of Assessments 404 Elm Street, Room 301
Rockford, Illinois 61101
815-319-4461 (Fax) Where is the Winnebago County Tax Assessor's Office?
What can the Winnebago County Assessor's Office do for me?
The Winnebago County Tax Assessor's Office oversees the appraisal and assessment of properties as well as the billing and collection of property taxes for all taxable real estate located in Winnebago County.
Contact the assessor's office if you need help with paying your property taxes, applying for a homestead exemption or other tax exemption, reporting upgrades to your home, appealing your property tax assessment, or verifying your property records.
Submitting a Winnebago County property tax appeal
If you believe that your house has been unfairly overappraised (i.e. appraised at a value higher than the true market value of the property), you can attempt to get your home re-appraised at a lower value by contacting the Assessor's Office to submit a property tax appeal.
You will have to submit a form describing your property and sufficient proof that it is overassessed, including valuations of similar homes nearby as evidence. If your appeal is accepted, your home assessment (and property taxes) will be lowered as a result.
If you would like to appeal your property, call the Winnebago County Assessor's Office at (815) 319 4460 and ask for a property tax appeal form. Keep in mind that property tax appeals are generally only accepted in a 1-3 month window each year.
For more information and example appeals, see how to appeal your property taxes.
Useful Winnebago County Facts:
The median home value in Winnebago County is between $126,682.00 and $129,518.00. Property tax rates are based on property values.
How can I contact Winnebago County?
You can try contacting the Winnebago County local government directly with any issues the Assessor's Office can't solve. In many counties, certain property records such as deeds are kept in the county courthouse or county archives instead of at the tax assessors' office.
The county seat for Winnebago County is located in the in Rockford, which is located at 404 Elm St. You can direct your general inquiries to Winnebago County with the contact info listed below.
Winnebago County Phone Number
Winnebago County Fax Number
Winnebago County Address
404 Elm St
Rockford, IL 61101-1239
Useful Winnebago County Links:
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Winnebago County Tax Records
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Winnebago County Government Homepage
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Winnebago County Assessors' Office Homepage
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Winnebago County Tax Records
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Winnebago County Search by Parcel ID, address, or owner name