Casco, Door County, Wisconsin Property Taxes
Property Taxes in Casco, Wisconsin
Median Casco, Wisconsin effective property tax rate: 1.29%, significantly lower than the national median of 1.02%, and lower than the Wisconsin state median of 1.43%.
Median Casco, Wisconsin home value: $224,400
Median annual Casco, Wisconsin tax bill: $2,954, $554 higher than the national median property tax bill of $2,400.
How are property taxes in Door calculated?
Property taxes in Casco, 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 Casco's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Casco, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Casco, Door County, Wisconsin Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.29%
Estimate Property Tax Bill
$2,895
$2,686
How Does the Casco Property Tax Calculator Work?
Use this Casco property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Casco's median effective tax rate of 1.29% — based on actual property records in Door 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 Casco'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 Casco: rates range from 2,954 in 54205 to 2,954 in 54205, 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 Casco.
About Casco Property Taxes
About Property Taxes in Casco, Door, Wisconsin
Casco’s median effective property tax rate of 1.29% is lower than the Wisconsin state median of 1.43% and higher than the national median of 1.02%. This rate reflects the Door 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 Casco. Homeowners in the 54205 ZIP code carry a median effective rate of 1.29%, while those in the same ZIP code pay 1.29%. This spread reflects how school district boundaries and local assessment districts are drawn across Door County. Understanding which part of Casco you live in can make a meaningful difference to your annual tax bill.
Casco homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the May 4, 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 Casco, Door 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 Casco'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 Casco Tax Rate
1.29%
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 Door County Tax Rate
0.97%
Median Effective Wisconsin Tax Rate
1.43%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Casco, Door County, Wisconsin
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 54205 | 1.29% | 1.29% | 1.29% | 1.35% | 1.35% |
Source: Ownwell
Property Tax Assessment Values Across Casco, Door County, Wisconsin
When examining property taxes in Casco, 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 Door County assessor 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 are sent in the spring each year and typically reach your mailbox by the middle of the season. 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.
For example, the median home price in Casco is $224,400, with a median tax bill of $2,954. That is above the national median property tax bill of $2,400, while the national median property tax rate is 1.02%.
Property Tax Assessment Values Across Casco, Door County, Wisconsin
Source: Ownwell
$187,700
$309,000
$430,300
Median Casco Market Value
$224,400
Median Door County Market Value
$286,600
Median Wisconsin Market Value
$237,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Casco, Door County, Wisconsin
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 54205 | $161,500 | $192,750 | $224,400 | $315,675 | $412,950 |
Source: Ownwell
Property Tax Bills Across Casco, Door County, Wisconsin
Casco homeowners receive a property tax bill based on the assessed value of their home and the local tax rate set by taxing authorities. The bill is calculated by applying the tax rate to the home’s assessed market value, which means higher-valued homes generally face larger bills. For Casco, the median home price is $224,400, and the median property tax bill is $2,954, which is above the national median property tax bill of $2,400 and slightly above the national median property tax rate of 1.02%.
Several factors shape the final amount, including the home’s assessed value, local levies, and any exemptions a homeowner may qualify for. Bills can vary widely across the area, with the 25th percentile at $2,544 and the 75th percentile at $4,071, while the 90th percentile reaches $5,185. For homeowners, this can mean a meaningful difference in annual housing costs, especially when property values or local tax rates change.
Median Casco Tax Bill
$2,954
Median Door County Tax Bill
$3,251
Median Wisconsin Tax Bill
$3,453
Median United States Tax Bill
$2,400
Property Tax Bills Across Casco, Door County, Wisconsin
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 54205 | $2,128 | $2,544 | $2,954 | $4,071 | $5,185 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | May 4 |
Links | |
|---|---|
| Door Tax Assessor | |
| Website | landnav.co.door.wi.us |