Columbia County, Wisconsin Tax Assessors' Office
Columbia County Land Information Department, Real Property Lister 400 DeWitt Street
Carl Frederick Administration Building
Portage, Wisconsin 53901
608-742-9816 (Fax) Where is the Columbia County Tax Assessor's Office?
What can the Columbia County Assessor's Office do for me?
The Columbia 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 Columbia 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 Columbia 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 Columbia County Assessor's Office at (608) 742 9616 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 Columbia County Facts:
The median home value in Columbia County is between $173,902.00 and $181,098.00. Property tax rates are based on property values.
How can I contact Columbia County?
You can try contacting the Columbia 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 Columbia County is located in the County Courthouse in Portage, which is where the Columbia County Assessors' Office is also located. You can direct your general inquiries to Columbia County with the contact info listed below.
Columbia County Phone Number
Columbia County Fax Number
Columbia County County Courthouse Address
County Courthouse
400 Dewitt St
Portage, WI 53901-2132
Useful Columbia County Links:
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Columbia County Government Homepage
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Property Tax Search Tool
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Pay Your Property Tax
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Columbia County Assessors' Office Homepage
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Delinquent Property Tax Properties
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GIS Map
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Sales History Search