Wisconsin Property Tax Assessors

Waukesha County, Wisconsin Tax Assessors' Office

Waukesha County Assessors Phone Number
Waukesha County Treasurer
515 West Moreland Blvd, Room 148
Waukesha, Wisconsin 53188
Waukesha County Assessors Fax Number 262-896-8037 (Fax)

Where is the Waukesha County Tax Assessor's Office?

The Waukesha County Tax Assessor, Treasurer & Delinquent Property Taxes Office is located at 515 West Moreland Blvd, Room 148 in Waukesha, Wisconsin.

While many counties have county-wide tax assessors, Waukesha County has one cities and towns with their own local tax assessors. If your property is located within any of these localities, see that page for your tax assessor's contact information.

What can the Waukesha County Assessor's Office do for me?

The Waukesha 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 Waukesha 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 Waukesha 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 Waukesha County Assessor's Office at (262) 548 7029 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 Waukesha County Facts:

The median home value in Waukesha County is between $259,980.00 and $264,420.00. Property tax rates are based on property values.

How can I contact Waukesha County?

You can try contacting the Waukesha 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 Waukesha County is located in the County Courthouse in Waukesha, which is located at 1320 Pewaukee Rd. You can direct your general inquiries to Waukesha County with the contact info listed below.

Waukesha County Phone Number


Waukesha County Fax Number


Waukesha County County Courthouse Address

County Courthouse
1320 Pewaukee Rd
Waukesha, WI 53188-3878