Ozaukee County, Wisconsin Property Taxes
Property Taxes in Ozaukee County, Wisconsin
Median Ozaukee County effective property tax rate: 1.16%, significantly higher than the national median of 1.02%.
Median Ozaukee County home value: $403,400
Median annual Ozaukee County tax bill: $4,571, $2,171 higher than the national median property tax bill of $2,400.
How are property taxes in Ozaukee County calculated?
Property taxes in Ozaukee County 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 your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Ozaukee County or another part of Ozaukee County, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Ozaukee County, Wisconsin Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.16%
Estimate Property Tax Bill
$4,679
$4,342
How Does the Ozaukee County Property Tax Calculator Work?
Use this Ozaukee County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value, and the calculator applies Ozaukee County's median effective tax rate of 1.16% to generate your estimate.
Enter your property's estimated assessed value — the figure used for tax purposes, which is typically lower than market value after applicable exemptions. The calculator uses the median effective rate for a more accurate estimate than the statutory millage rate alone.
Your actual bill may vary based on your specific exemptions, local school district levies, and any special assessment districts that apply to your property.
Ozaukee County's median effective tax rate is higher than the national median property tax rate of 1.02% and lower than Wisconsin's 1.43% state median. The county's median property tax bill is $4,571, which is $2,171 more than the state median.
Property Tax Rates Across Ozaukee County, Wisconsin
What Are Effective Property Tax Rates Across Ozaukee County?
Local government entities set tax rates, which vary widely across Ozaukee County. Each year, the county estimates its budget for public services and divides that total by the assessed value of all taxable property within its jurisdiction.
Below, compare Ozaukee County's effective property tax rate to other counties in Wisconsin or the U.S. median of 1.02%.
Ozaukee County's median effective rate stands at 1.16%, which is higher than the national median of 1.02%. Within Ozaukee County, the highest rate is found in Milwaukee at 1.96%, while Cedar Grove has the lowest at 0.81%.
These variations reflect differences in local school district levies, special assessment districts assessments, and special district bonds — which compound the base county rate.
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 Ozaukee County Tax Rate
1.16%
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 Wisconsin Tax Rate
1.43%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Ozaukee County, Wisconsin
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Belgium | 0.84% | 0.96% | 1.24% | 1.28% | 1.30% |
| Cedarburg | 0.96% | 0.96% | 1.24% | 1.27% | 1.28% |
| Cedar Grove | 0.76% | 0.78% | 0.81% | 0.84% | 0.84% |
| Fredonia | 0.94% | 0.98% | 1.16% | 1.22% | 1.24% |
| Grafton | 0.90% | 0.96% | 1.23% | 1.26% | 1.30% |
| Mequon | 0.99% | 1.07% | 1.09% | 1.11% | 1.13% |
| Milwaukee | 1.94% | 1.94% | 1.96% | 2.04% | 2.08% |
| Port Washington | 0.88% | 1.21% | 1.24% | 1.26% | 1.30% |
| Random Lake | 0.81% | 0.87% | 0.93% | 0.96% | 1.01% |
| Saukville | 0.95% | 0.98% | 1.35% | 1.36% | 1.44% |
| Thiensville | 1.09% | 1.15% | 1.18% | 1.20% | 1.23% |
| Waubeka | 0.95% | 0.97% | 1.00% | 1.02% | 1.08% |
| West Bend | 0.94% | 0.96% | 0.98% | 1.00% | 1.25% |
Source: Ownwell
Property Tax Assessment Values Across Ozaukee County, Wisconsin
When examining property taxes in Ozaukee County, 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 Wisconsin Department of Revenue 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. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Ozaukee County.
For example, the median tax bill in Ozaukee County is $4,571, compared with the national median property tax bill of $2,400. Tax bills range significantly across the county, with the highest median home price in Milwaukee at $963,100.
Property Tax Assessment Values Across Ozaukee County, Wisconsin
Source: Ownwell
$256,900
$610,000
$963,100
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 Ozaukee County, Wisconsin
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Belgium | $199,840 | $245,850 | $311,900 | $387,850 | $523,640 |
| Cedarburg | $289,930 | $355,000 | $442,850 | $599,700 | $795,570 |
| Cedar Grove | $245,680 | $348,150 | $487,200 | $836,400 | $1,149,560 |
| Fredonia | $212,140 | $262,300 | $335,800 | $427,900 | $532,340 |
| Grafton | $230,660 | $292,250 | $379,600 | $527,250 | $673,760 |
| Mequon | $309,700 | $393,000 | $528,300 | $770,700 | $1,067,640 |
| Milwaukee | $684,540 | $771,500 | $963,100 | $1,157,900 | $1,318,540 |
| Port Washington | $217,400 | $254,500 | $307,400 | $402,000 | $526,520 |
| Random Lake | $178,140 | $248,150 | $319,100 | $369,550 | $464,700 |
| Saukville | $209,960 | $253,800 | $305,200 | $406,600 | $520,680 |
| Thiensville | $166,210 | $252,625 | $361,500 | $435,275 | $551,960 |
| Waubeka | $172,900 | $207,275 | $256,900 | $320,425 | $415,330 |
| West Bend | $273,540 | $352,250 | $486,200 | $583,600 | $748,280 |
Source: Ownwell
Property Tax Bills Across Ozaukee County, Wisconsin
Property tax bills in Ozaukee County are based on a home’s assessed value, local tax rates, and any exemptions that apply. The assessed value is compared with the local market value of the property, and taxing jurisdictions use that figure to calculate the bill. Because rates can vary by location, two homes with similar values may still owe different amounts.
With a median home price of $403,400, the size of the tax bill can have a major impact on monthly housing costs. In Ozaukee County, the 25th percentile tax bill is $3,490, while the 75th percentile reaches $6,407 and the 90th percentile climbs to $8,855. That range shows how property characteristics and neighborhood tax rates can affect what homeowners pay.
For homeowners, a higher assessed value or fewer exemptions can mean a larger bill, while a lower assessment may reduce it.
Median Ozaukee County Tax Bill
$4,571
Median Wisconsin Tax Bill
$3,453
Median United States Tax Bill
$2,400
Property Tax Bills Across Ozaukee County, Wisconsin
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Belgium | $2,074 | $2,860 | $3,754 | $4,635 | $5,835 |
| Cedarburg | $3,337 | $4,025 | $5,071 | $6,982 | $9,291 |
| Cedar Grove | $1,896 | $2,740 | $3,826 | $6,937 | $9,561 |
| Fredonia | $2,432 | $2,958 | $3,768 | $4,706 | $5,665 |
| Grafton | $2,732 | $3,382 | $4,335 | $6,063 | $7,609 |
| Mequon | $3,210 | $4,218 | $5,726 | $8,480 | $11,658 |
| Milwaukee | $13,441 | $15,427 | $19,289 | $22,488 | $25,567 |
| Port Washington | $2,516 | $3,042 | $3,722 | $4,769 | $6,247 |
| Random Lake | $1,453 | $2,040 | $3,020 | $3,494 | $4,649 |
| Saukville | $2,600 | $3,230 | $3,838 | $4,956 | $5,889 |
| Thiensville | $1,863 | $2,995 | $4,318 | $5,204 | $6,569 |
| Waubeka | $1,677 | $2,027 | $2,624 | $3,251 | $4,216 |
| West Bend | $2,871 | $3,743 | $4,748 | $5,757 | $7,430 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | June 2 |
Links | |
|---|---|
| Ozaukee Tax Assessor | |
| Website | ascent.co.ozaukee.wi.us |