Waukesha County property tax
Homeowners in Waukesha County, Wisconsin typically pay about 1.14% of their home's value in property tax each year — a median bill of $4,554 on a median home value of $398,200.
Typical effective rate
1.14%
higher than 26% of U.S. counties
Median tax paid
$4,554
per year
Median home value
$398,200
In WI
#59
of 72 ranked counties
At a glance
- Effective rate 1.14% — 22% higher than the U.S. median of 0.94%, and 20% lower than the Wisconsin median of 1.42%.
- With vs. without a mortgage — median tax $4,595 for mortgaged homes, $4,481 for homes owned outright.
- State ranking — 59th highest effective rate of 72 ranked Wisconsin counties; nationally it sits around the 74th percentile.
Estimate a bill for Waukesha County
Apply this county's typical effective rate (1.14%) to a home value of your choice.
Frequently asked questions
What is the property tax rate in Waukesha County, WI?
The typical effective property-tax rate in Waukesha County is 1.14% of a home's value per year, based on median taxes paid ($4,554) divided by the median home value ($398,200) in the Census ACS 2020–2024 5-year estimates. This is a typical burden for comparison, not a statutory mill rate.
How much is property tax on a typical home in Waukesha County?
The median owner-occupied home in Waukesha County is valued at $398,200, and the median real estate tax paid is $4,554 per year. Homes with a mortgage have a median tax of $4,595, versus $4,481 for homes without one.
How does Waukesha County compare to the rest of Wisconsin?
Waukesha County's effective rate is 20% lower than the Wisconsin median, ranking 59th of 72 ranked counties in the state.
Compare nearby Wisconsin counties
Counties ranked closest to Waukesha County by in-state effective rate. Open the comparison tool or see all Wisconsin counties.
| In-state | County | Effective rate | Median tax |
|---|---|---|---|
| 56 | Ozaukee County | 1.19% | $4,631 |
| 57 | Oconto County | 1.18% | $2,727 |
| 58 | St. Croix County | 1.17% | $4,420 |
| 60 | Polk County | 1.13% | $3,075 |
| 61 | Rusk County | 1.12% | $1,834 |
| 62 | Washington County | 1.10% | $3,802 |
Official data & resources for Waukesha County
- Waukesha County Census profile (data.census.gov) — housing, value and tax figures for this county.
- Table B25103 for Waukesha County — median real estate taxes paid (the source for the tax figures above).
- Table B25077 for Waukesha County — median home value.
- Federal forms & is property tax deductible? — IRS Pub 530, Schedule A and the SALT cap, plus your state tax agency.
Finding your exact bill
Your county or municipal assessor (sometimes called the appraisal district, property appraiser, or tax collector) sets the assessed value and the exact millage that produces your bill. Search for "[county name] [state] assessor" or "property tax" on an official .gov site.
Figures on this page are Census survey medians for the whole county (2020–2024 5-year), not an assessment of any individual property. Rates, exemptions and assessment practices vary by municipality and school district within a county.