Portage, Columbia County, Wisconsin Property Taxes
Property Taxes in Portage, Wisconsin
Median Portage, Wisconsin effective property tax rate: 0.98%, significantly lower than the national median of 1.02%, and lower than the Wisconsin state median of 1.43%.
Median Portage, Wisconsin home value: $195,138
Median annual Portage, Wisconsin tax bill: $2,241, $159 lower than the national median property tax bill of $2,400.
How are property taxes in Columbia calculated?
Property taxes in Portage, 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 Portage's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Portage, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Portage, Columbia County, Wisconsin Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.98%
Estimate Property Tax Bill
$1,912
$1,775
How Does the Portage Property Tax Calculator Work?
Use this Portage property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Portage's median effective tax rate of 0.98% — based on actual property records in Columbia County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessment system uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Portage's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Portage's median effective tax rate is lower than Wisconsin's 1.43% state median tax rate and the median property tax bill is $2241, which is $159 lower than the state median bill. Within Portage, rates are flat by ZIP code, with 53901 showing both the highest and lowest median tax bill at $2241.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Portage.
About Portage Property Taxes
About Property Taxes in Portage, Columbia, Wisconsin
Portage's median effective property tax rate of 0.98% is lower than the Wisconsin state median of 1.43% and lower than the national median of 1.02%. This rate reflects the Columbia 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 Portage. Homeowners in the 53901 ZIP code carry a median effective rate of 0.98%, while those in the same ZIP code also pay 0.98%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Columbia County. Understanding which part of Portage you live in can make a meaningful difference to your annual tax bill.
Portage homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before April 27, 2026.
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 Portage, Columbia 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 Portage's effective property tax rate to other cities in Wisconsin and the median property tax rates in Wisconsin and the U.S.
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 Portage Tax Rate
0.98%
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 Columbia County Tax Rate
1.32%
Median Effective Wisconsin Tax Rate
1.43%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Portage, Columbia County, Wisconsin
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 53901 | 0.67% | 0.74% | 0.98% | 1.61% | 1.66% |
Source: Ownwell
Property Tax Assessment Values Across Portage, Columbia County, Wisconsin
When examining property taxes in Portage, 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 Columbia County appraisal district 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 Columbia County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month when notices are sent.
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 Portage.
For example, the median home price in Portage is $195,138, with tax bills ranging significantly across the county. 53901 has the highest median home price at $195,138.
Property Tax Assessment Values Across Portage, Columbia County, Wisconsin
Source: Ownwell
$157,630
$268,225
$378,820
Median Portage Market Value
$195,138
Median Columbia County Market Value
$227,576
Median Wisconsin Market Value
$237,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Portage, Columbia County, Wisconsin
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 53901 | $106,770 | $156,030 | $195,138 | $275,976 | $372,746 |
Source: Ownwell
Property Tax Bills Across Portage, Columbia County, Wisconsin
Property tax bills in Portage are calculated by applying the local property tax rate to a home’s assessed value, which is based on market conditions and the value of comparable properties. For homeowners in Columbia County, the median home price is $195,138, and the median property tax bill is $2,241, which is slightly below the national median property tax bill of $2,400.
The final bill depends on several factors, including the assessed value of the home, local taxing jurisdictions, and any exemptions that may reduce what a homeowner owes. Higher-value homes or properties in areas with higher tax rates generally face larger bills, while lower assessed values can help keep taxes down.
In Portage, property taxes can have a meaningful impact on monthly housing costs and long-term affordability. Bills in the area range from $1,386 at the 25th percentile to $4,372 at the 90th percentile, showing how much taxes can vary from one homeowner to another.
Median Portage Tax Bill
$2,241
Median Columbia County Tax Bill
$2,842
Median Wisconsin Tax Bill
$3,453
Median United States Tax Bill
$2,400
Property Tax Bills Across Portage, Columbia County, Wisconsin
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 53901 | $1,113 | $1,386 | $2,241 | $3,048 | $4,372 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | April 27 |
Links | |
|---|---|
| Columbia Tax Assessor | |
| Website | ascent.co.columbia.wi.us |