Washington County Property Tax Calculator

Locality estimate page for Washington County, Wisconsin. Use this county/locality rate for faster screening, then confirm parcel-specific details with your local tax authority.

County/Locality Effective Rate

1.10%

State Effective Rate

1.32%

Sample Annual Tax Difference

-$935

Median Home Value (ACS)

$344,800

Median Annual Tax Bill (ACS)

$3,802

Owner-Occupied Households

44,552

The typical owner-occupied home in Washington County is valued at $344,800 with a median real estate tax bill of $3,802 per year — an effective rate of 1.10%. Both figures come from the same ACS release, so the ratio is an estimate rather than an aggregate of individual bills.

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State Mortgage Context: Wisconsin

Most counties in this state follow the standard FHA floor framework.

State Effective Tax Rate

1.32%

FHA 1-Unit Floor

$541,287

FHA 1-Unit Ceiling

$1,249,125

View Wisconsin FHA Context Browse More Wisconsin County Pages

In Washington County, Wisconsin, the current county-level estimate is 1.10%, or approximately $4,400 annually on a $400,000 home.

How to Use This County Estimate

Step 1

Enter your property value and assessment assumptions.

Step 2

Apply exemptions that may reduce taxable value.

Step 3

Compare county/locality estimate against statewide fallback.

Washington County Property Tax Snapshot

Estimated effective rate: 1.10% · vs Wisconsin: 1.32% · vs national benchmark: 0.90%

Home value	Estimated annual tax	Estimated monthly tax
$250,000	$2,750	$229
$400,000	$4,400	$367
$500,000	$5,500	$458
$750,000	$8,250	$688
$1,000,000	$11,000	$917

Compare Nearby Property Taxes

Source Transparency

Source: U.S. Census Bureau, ACS 5-Year Estimates (B25103 / B25077)

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Last updated: August 2026

Estimates only. Confirm parcel-specific amounts with the official local taxing authority.

Need Statewide Context?

Visit Wisconsin mortgage snapshot or return to the national calculator hub.