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Waukesha County, WI Property Tax Calculator

Waukesha County homeowners pay a median $4,554 a year in property tax, 1.14% of a median $398,200 home: below Wisconsin's 1.42% but above the national 0.94%.

At an effective rate of 1.14%, a $398,200 home pays about $4,555 a year in property tax, $380 a month.

Property tax a year
$4,555
A month (for escrow)
$380
Effective rate on the home
1.14%

Property tax in Waukesha County by home value, at 1.14%

Home valueA yearA month
$200,000$2,288$191
$300,000$3,432$286
$400,000$4,576$381
$500,000$5,720$477
$750,000$8,580$715
$1,000,000$11,440$953

Waukesha County against Wisconsin and the US

Effective rateMedian taxMedian home valueMedian household income
Waukesha County1.14%$4,554$398,200$106,076
Wisconsin1.42%$3,792$266,500$77,485
United States0.94%$3,119$332,700$80,734

How this calculator works

Median real estate taxes paid ÷ median home value in Waukesha County, from the Census Bureau's American Community Survey 2020–2024 5-year estimates. The calculator starts at the county's median home value and rate.

What it assumes

  • Cities, school districts and special districts within the county levy different rates, so bills vary within it.
  • Survey figures cover 2020 to 2024 and lag recent reassessments.

Questions people ask

What is the property tax rate in Waukesha County?

The effective rate is 1.14%: a median $4,554 a year on a median $398,200 home. That's the 27th highest of the 29 Wisconsin counties we cover.

How much is property tax on a $400,000 house in Waukesha County?

About $4,576 a year, $381 a month, at the county's effective rate, before any exemption.

How does Waukesha County compare with the rest of Wisconsin?

Its rate is below the state's 1.42%. Across Wisconsin, covered counties range from 1.08% to 1.93%.

How do I lower my Waukesha County property tax?

Apply for every exemption you qualify for, such as a homestead exemption, and appeal your assessment if it is higher than comparable homes sold nearby; the county assessor explains the deadlines.

Other Wisconsin counties

Related calculators

  • Wisconsin Property Tax CalculatorWisconsin homeowners pay a median $3,792 a year in property tax, 1.42% of a median $266,500 home: the 9th highest effective rate of the 50 states and DC.
  • Wisconsin Mortgage CalculatorYour monthly mortgage payment in Wisconsin, with Wisconsin's effective property tax rate (1.42%) built in, at this week's average rate. The calculator starts at the state's median home value, $266,500.
  • Home Affordability CalculatorThe home price your income supports under the 28/36 guideline lenders use, counting your other debts, down payment, taxes and insurance, at this week's average rate.

Sources

Updated by the RateHerald team. The maths is tested against worked examples; report a problem.