Washington County, WI Property Taxes (2026)

Washington County owners pay a median of $3,795 a year on a median home value of $316,200, an effective rate of 1.20%. That's the 62nd-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

1.20%

62nd highest of 72 in WI

Median annual bill

$3,795

~$316/month

Median home value

$316,200

Wisconsin county median

1.45%

Effective rate

What a protest could save you in Washington County

Enter the market value from your appraisal notice. We apply Washington County's 1.20% effective rate and a 10–15% reduction, the typical range for successful protests.

$
Est. annual tax
$3,794
Savings at 10–15% off
$379–$569
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Washington County vs. Wisconsin vs. U.S. property tax rates

Washington County1.20%
Wisconsin county median1.45%
U.S. county median0.84%

Key stat: Washington County's effective property tax rate is 1.20%, vs. 1.45% for the median Wisconsin county and 0.84% for the median U.S. county. It ranks 62nd 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 Washington County

  1. 1

    Review your assessment notice

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

  2. 2

    File your objection before the deadline

    The Washington 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 $3,795 bill, 10–15% off is $380–$569 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 Washington 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 Washington County, Wisconsin?
The median effective property tax rate in Washington County is 1.20%: a median annual bill of $3,795 on a median home value of $316,200. That's the 62nd-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 Washington County?
The median Washington County property tax bill is $3,795 a year, about $316 a month, compared with a Wisconsin county median of $2,876.
What is the deadline to objection property taxes in Washington County?
The deadline to objection in Washington County is Board of Review meeting. Missing it means waiting until the next assessment cycle.
Is Washington County a high property tax area?
Washington County's 1.20% effective rate is below the Wisconsin county median of 1.45% and above the U.S. county median of 0.84%. That's the 62nd-highest rate of 72 Wisconsin counties with Census data.
Can TaxDrop help lower my Washington County property taxes?
TaxDrop analyzes your property against local comparable sales and helps you objection your assessment.

Property taxes in nearby counties

Ozaukee County

Rate: 1.25%

Median bill: $4,629

Dodge County

Rate: 1.55%

Median bill: $3,395

Waukesha County

Rate: 1.21%

Median bill: $4,525

Fond du Lac County

Rate: 1.58%

Median bill: $3,311

Sheboygan County

Rate: 1.48%

Median bill: $3,234

Jefferson County

Rate: 1.57%

Median bill: $3,988

Milwaukee County

Rate: 2.04%

Median bill: $4,406

Green Lake County

Rate: 1.31%

Median bill: $2,709

← All 72 Wisconsin counties

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