County data
Waukesha County, WI Mortgage Calculator
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Waukesha County at a glance
Median home value
$398,200
Property tax rate
1.15%
Wisconsin: 1.47% · U.S.: 1.05%
Median income
$106,076
Conforming loan limit
$832,750
Typical monthly cost of the median home
Principal and interest
$2,180
$318,560 loan at 7.28%, 30 years
Property tax
$382
1.15% of $398,200 a year
Together
$2,561
before insurance, HOA and PMI
Other large counties in Wisconsin
| County | Median home | Tax rate | Payment |
|---|---|---|---|
| Milwaukee County | $230,700 | 1.97% | $1,642 |
| Dane County | $394,800 | 1.63% | $2,697 |
| Brown County | $266,000 | 1.40% | $1,766 |
| Racine County | $251,400 | 1.69% | $1,730 |
| Outagamie County | $267,300 | 1.39% | $1,773 |
| Winnebago County | $225,800 | 1.61% | $1,539 |
| Kenosha County | $265,500 | 1.60% | $1,807 |
| Rock County | $231,600 | 1.62% | $1,580 |
Frequently asked questions
What is the property tax rate in Waukesha County, WI?
Homeowners with a mortgage in Waukesha County pay a median of $4,595 a year in property tax on a median home value of $398,200, an effective rate of 1.15%. That is below the Wisconsin figure of 1.47% and above the U.S. median of 1.05%. It ranks 59 of 72 counties in Wisconsin for effective rate, highest first. Your own bill depends on the assessed value, the taxing districts and any exemptions.
How much is the monthly payment on a median-priced home in Waukesha County?
On a $398,200 home with 20% down and a 30-year loan at 7.28% (the Freddie Mac weekly average), principal and interest is about $2,180 a month and property tax about $382, so roughly $2,561 before homeowners insurance, HOA dues and mortgage insurance. For comparison, the median household income here is $106,076 a year, so that payment is about 29% of it.
What is the conforming loan limit in Waukesha County?
The 2026 one-unit conforming loan limit for Waukesha County is $832,750. A conventional loan above that amount is a jumbo loan, which can have different rates and down payment requirements.
Where do these numbers come from?
Home values, property taxes and incomes are U.S. Census Bureau American Community Survey 5-year medians for the county. Loan limits come from the Federal Housing Finance Agency and rates from Freddie Mac. The methodology page lists each source and when it was retrieved.
Data and method. Home values, property taxes and incomes: U.S. Census Bureau, ACS 2024 5-year (2020-2024) (medians, with sampling error; property tax is for owners with a mortgage). Loan limits: FHFA. Rates: Freddie Mac weekly average as of October 1, 2026. Retrieved October 1, 2026. Payment figures assume 20% down, a 30-year fixed loan, and exclude insurance, HOA dues and mortgage insurance. Estimates only; see the methodology.