Home and mortgage

Washington County, WI Property Tax Calculator

Washington County homeowners pay a median $3,802 a year in property tax, 1.10% of a median $344,800 home: below Wisconsin's 1.42% but above the national 0.94%.

Your numbers

Property tax a year$3,803The answer

Property tax a year

$3,803

At an effective rate of 1.10%, a $344,800 home pays about $3,803 a year in property tax, $317 a month.

A month (for escrow)
$317
Effective rate on the home
1.10%

Property tax in Washington County by home value, at 1.10%

Home valueA yearA month
$170,000$1,875$156
$260,000$2,868$239
$340,000$3,750$313
$520,000$5,736$478
$690,000$7,611$634

Washington County against Wisconsin and the US

Effective rateMedian taxMedian home valueMedian household income
Washington County1.10%$3,802$344,800$96,359
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 Washington 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.

Questions people ask

What is the property tax rate in Washington County?

The effective rate is 1.10%: a median $3,802 a year on a median $344,800 home. That's the 28th highest of the 29 Wisconsin counties we cover.

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

About $4,412 a year, $368 a month, at the county's effective rate, before any exemption.

How does Washington 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 Washington 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

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Sources

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