Waukesha County, WI Property Taxes (2026)

Waukesha County owners pay a median of $4,525 a year on a median home value of $373,600, an effective rate of 1.21%. That's the 61st-highest rate of 72 Wisconsin counties with Census data, below the Wisconsin county median of 1.45%.

Updated October 2026 · Data: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023)

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Effective tax rate

1.21%

61st highest of 72 in WI

Median annual bill

$4,525

~$377/month

Median home value

$373,600

Wisconsin county median

1.45%

Effective rate

What a protest could save you in Waukesha County

Enter the market value from your appraisal notice. We apply Waukesha County's 1.21% effective rate and a 10–15% reduction, the typical range for successful protests.

$
Est. annual tax
$4,521
Savings at 10–15% off
$452–$678
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Waukesha County vs. Wisconsin vs. U.S. property tax rates

Waukesha County1.21%
Wisconsin county median1.45%
U.S. county median0.84%

Key stat: Waukesha County's effective property tax rate is 1.21%, vs. 1.45% for the median Wisconsin county and 0.84% for the median U.S. county. It ranks 61st of 72 in Wisconsin. Effective rate = median tax bill ÷ median home value, so it already reflects typical exemptions. (Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023))

How to objection your property taxes in Waukesha County

  1. 1

    Review your assessment notice

    Check the assessed value from the Waukesha Municipal Assessor. Compare it to recent sales of similar homes nearby.

  2. 2

    File your objection before the deadline

    The Waukesha County deadline is Board of Review meeting. Missing it means waiting until the next assessment year.

  3. 3

    Gather evidence

    Recent comparable sales, photos of condition issues, repair estimates or an independent appraisal.

  4. 4

    Present your case

    Submit evidence or attend a hearing with the Municipal Assessor.

  5. 5

    Get your decision

    If you win, your assessed value and bill go down. On a $4,525 bill, 10–15% off is $453–$679 a year.

Want help with it?

TaxDrop builds your case from comparable sales data.

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Property tax exemptions in Wisconsin

Wisconsin homeowners may qualify for exemptions that reduce taxable value. Check with the Waukesha Municipal Assessor for amounts.

Homestead exemption

For your primary residence. Reduces the value used to calculate your bill.

Senior / over-65

Many states add an exemption or freeze for owners 65 and older.

Disability

For homeowners with qualifying disabilities, often similar to the over-65 benefit.

Veterans

Disabled veterans may get partial or full exemptions depending on rating.

Frequently Asked Questions

What is the property tax rate in Waukesha County, Wisconsin?
The median effective property tax rate in Waukesha County is 1.21%: a median annual bill of $4,525 on a median home value of $373,600. That's the 61st-highest rate of 72 Wisconsin counties with Census data. Your own rate depends on which city, school district and special districts you're in. Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023).
How much are property taxes in Waukesha County?
The median Waukesha County property tax bill is $4,525 a year, about $377 a month, compared with a Wisconsin county median of $2,876.
What is the deadline to objection property taxes in Waukesha County?
The deadline to objection in Waukesha County is Board of Review meeting. Missing it means waiting until the next assessment cycle.
Is Waukesha County a high property tax area?
Waukesha County's 1.21% effective rate is below the Wisconsin county median of 1.45% and above the U.S. county median of 0.84%. That's the 61st-highest rate of 72 Wisconsin counties with Census data.
Can TaxDrop help lower my Waukesha County property taxes?
TaxDrop analyzes your property against local comparable sales and helps you objection your assessment.

Property taxes in nearby counties

Milwaukee County

Rate: 2.04%

Median bill: $4,406

Jefferson County

Rate: 1.57%

Median bill: $3,988

Washington County

Rate: 1.20%

Median bill: $3,795

Walworth County

Rate: 1.44%

Median bill: $3,964

Racine County

Rate: 1.70%

Median bill: $4,071

Dodge County

Rate: 1.55%

Median bill: $3,395

Kenosha County

Rate: 1.69%

Median bill: $4,180

Ozaukee County

Rate: 1.25%

Median bill: $4,629

← All 72 Wisconsin counties

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