City of Janesville, Wisconsin Tax Assessors' Office
City of Janesville Assessor 18 North Jackson Street
Janesville Municipal Building
Janesville, Wisconsin 53548
608-755-3196 (Fax) Where is the City of Janesville Tax Assessor's Office?
City of Janesville is a locality in Rock County, Wisconsin. Unlike many other areas where property taxes are collected on a county level, City of Janesville has its own tax assessor's office.
What can the City of Janesville Assessor's Office do for me?
The City of Janesville 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 City of Janesville.
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 City of Janesville 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 City of Janesville Assessor's Office at (608) 755 3045 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 City of Janesville Facts:
The median home value in City of Janesville is between $136,312.00 and $139,688.00. Property tax rates are based on property values.
How can I contact Rock County?
You can try contacting the Rock 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 Rock County is located in the County Courthouse in Janesville, which is located at 51 S Main St. You can direct your general inquiries to Rock County with the contact info listed below.
Rock County Phone Number
Rock County Fax Number
Rock County County Courthouse Address
County Courthouse
51 S Main St
Janesville, WI 53545-3951
Useful Rock County Links:
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Property Tax Search Tool & GIS Map
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GIS Map & Parcel Search
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City of Janesville View by municipality
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City of Janesville - Property Tax Search
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City of Janesville Assessors' Office Homepage
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City of Janesville Government Homepage
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Pay Your Property Tax