Port Washington, Ozaukee County, Wisconsin Property Taxes

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Property Taxes in Port Washington, Wisconsin

Median Port Washington, Wisconsin effective property tax rate: 1.24%, significantly lower than the national median of 1.02%, and lower than the Wisconsin state median of 1.43%.
Median Port Washington, Wisconsin home value: $307,400
Median annual Port Washington, Wisconsin tax bill: $3,722, $1,322 higher than the national median property tax bill of $2,400.

How are property taxes in Ozaukee calculated?

Property taxes in Port Washington, Wisconsin are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.

Understanding Port Washington's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Port Washington, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Port Washington, Ozaukee County, Wisconsin Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.24%

Estimate Property Tax Bill

$3,812

$3,537

How Does the Port Washington Property Tax Calculator Work?

Use this Port Washington property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Port Washington's median effective tax rate of 1.24% — based on actual property records in Ozaukee County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local assessment process uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Port Washington's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.

Your bill may vary by ZIP code within Port Washington: rates range from 1.24% in 53074 to 1.24% in 53074, primarily due to differences in school district levies and local assessment districts.

For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Port Washington.

About Port Washington Property Taxes

About Property Taxes in Port Washington, Ozaukee, Wisconsin

Port Washington's median effective property tax rate of 1.24% is lower than the Wisconsin state median of 1.43% and higher than the national median of 1.02%. This rate reflects the Ozaukee County base levy combined with local school district levies and special assessment districts that vary by subdivision throughout the city.

Property tax rates are not uniform across Port Washington. Homeowners in the 53074 ZIP code carry a median effective rate of 1.24%, while those in the same ZIP code pay 1.24%. This spread reflects how school district boundaries and local assessment districts are drawn across Ozaukee County. Understanding which part of Port Washington you live in can make a meaningful difference to your annual tax bill.

Port Washington homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before the May 25, 2026 deadline each year.

If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.

Property Tax Rates Across Port Washington, Ozaukee County, Wisconsin

As noted earlier, local government entities set tax rates, which can vary widely within a state.

Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.

While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.

Below, you can compare Port Washington's effective property tax rate to other cities in Wisconsin and the median property tax rates in Wisconsin and the U.S.

Property Tax Rates Across Port Washington, Ozaukee County, Wisconsin

Source: Ownwell

0.81%

1.38%

1.96%

Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.

Median Effective Port Washington Tax Rate

1.24%

Median Effective Ozaukee County Tax Rate

1.16%

Median Effective Wisconsin Tax Rate

1.43%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Port Washington, Ozaukee County, Wisconsin

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
53074	0.88%	1.21%	1.24%	1.26%	1.30%

Source: Ownwell

Property Tax Assessment Values Across Port Washington, Ozaukee County, Wisconsin

When examining property taxes in Port Washington, Wisconsin, understanding the distinction between "market value" and "assessed value" is crucial.

The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Ozaukee County assessment office estimates the market value for tax purposes.

The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.

Assessment notices:

In Ozaukee County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of May.

Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. The median home price in Port Washington is $307,400, with a median tax bill of $3,722. For comparison, the national median property tax rate is 1.02% and the national median property tax bill is $2,400.

Property Tax Assessment Values Across Port Washington, Ozaukee County, Wisconsin

Source: Ownwell

$256,900

$610,000

$963,100

Median Port Washington Market Value

$307,400

Median Ozaukee County Market Value

$403,400

Median Wisconsin Market Value

$237,700

Median United States Market Value

$235,294

Property Tax Assessment Values Across Port Washington, Ozaukee County, Wisconsin

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
53074	$217,400	$254,500	$307,400	$402,000	$526,520

Source: Ownwell

Property Tax Bills Across Port Washington, Ozaukee County, Wisconsin

Property tax bills in Port Washington are based on the assessed value of a home and the local tax rate set by taxing jurisdictions. When a property’s market value changes, the assessed value can change too, which affects the final bill. Local budgets for schools, county services, and other public needs also play a role in determining how much homeowners owe.

With a median home price of $307,400, the property tax bill can be a significant part of homeownership costs. The median tax bill in the area is $3,722, which is above the national median property tax bill of $2,400 and the national median property tax rate of 1.02%. Bills vary widely, with the 25th percentile at $3,042 and the 75th percentile at $4,769, while the 90th percentile reaches $6,247.

For homeowners, this means property taxes can noticeably affect monthly housing expenses and long-term affordability.

Property Tax Bills Across Port Washington, Ozaukee County, Wisconsin

Source: Ownwell

$2,624

$10,957

$19,289

Median Port Washington Tax Bill

$3,722

Median Ozaukee County Tax Bill

$4,571

Median Wisconsin Tax Bill

$3,453

Median United States Tax Bill

$2,400

Property Tax Bills Across Port Washington, Ozaukee County, Wisconsin

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
53074	$2,516	$3,042	$3,722	$4,769	$6,247

Source: Ownwell

Don't miss the deadline to appeal!

Dates
Appeal Deadline	June 2

Links
Ozaukee Tax Assessor
Website	ascent.co.ozaukee.wi.us

Frequently Asked Property Tax Questions in Port Washington, Wisconsin

How are property taxes calculated in Port Washington, Wisconsin?

Property taxes in Port Washington, Wisconsin are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.

How do I appeal my property taxes in Port Washington, Wisconsin?

To appeal your property taxes in Port Washington, Wisconsin, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.

What property tax exemptions are available in Port Washington, Wisconsin?

Common property tax exemptions in Port Washington, Wisconsin include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.

When are property taxes due in Port Washington, Wisconsin?

Property tax deadlines in Port Washington, Wisconsin vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.

How can Ownwell help reduce my property taxes in Port Washington, Wisconsin?

Ownwell provides professional property tax appeal services in Port Washington, Wisconsin. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.