Greenfield, Milwaukee County, Wisconsin Property Taxes
Property Taxes in Greenfield, Wisconsin
Median Greenfield, Wisconsin effective property tax rate: 1.98%, significantly higher than the national median of 1.02%, and higher than the Wisconsin state median of 1.43%.
Median Greenfield, Wisconsin home value: $45,800
Median annual Greenfield, Wisconsin tax bill: $886, lower than the national median property tax bill of $2,400.
How are property taxes in Milwaukee calculated?
Property taxes in Greenfield, 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 Greenfield's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Greenfield, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Greenfield, Milwaukee County, Wisconsin Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.98%
Estimate Property Tax Bill
$907
$842
How Does the Greenfield Property Tax Calculator Work?
Use this Greenfield property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Greenfield's median effective tax rate of 1.98% — based on actual property records in Milwaukee County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessor uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Greenfield'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 Greenfield: rates range from $704.00 in 53221 to $960.00 in 53228, 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 Greenfield.
About Greenfield Property Taxes
About Property Taxes in Greenfield, Milwaukee, Wisconsin
Greenfield’s median effective property tax rate of 1.98% is higher than the Wisconsin state median of 1.43% and higher than the national median of 1.02%. This rate reflects the Milwaukee 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 Greenfield. Homeowners in the 53221 ZIP code carry a median effective rate of 1.98%, while those in 53228 pay 1.95%. This spread — 0.03 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Milwaukee County. Understanding which part of Greenfield you live in can make a meaningful difference to your annual tax bill.
Greenfield homeowners who believe their assessed value is too high can file a formal appeal with the local 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 Greenfield, Milwaukee 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 Greenfield'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 Greenfield Tax Rate
1.98%
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 Milwaukee County Tax Rate
1.97%
Median Effective Wisconsin Tax Rate
1.43%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Greenfield, Milwaukee County, Wisconsin
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 53221 | 1.79% | 1.97% | 1.98% | 1.98% | 2.13% |
| 53228 | 1.93% | 1.93% | 1.95% | 1.98% | 1.99% |
| 53130 | N/A | N/A | N/A | N/A | N/A |
| 53219 | N/A | N/A | N/A | N/A | N/A |
| 53220 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Greenfield, Milwaukee County, Wisconsin
When examining property taxes in Greenfield, 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 Milwaukee 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 Milwaukee County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of April.
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 Greenfield is $45,800, with tax bills ranging significantly across the county. Zip code 53228 has the highest median home price at $48,650.
Property Tax Assessment Values Across Greenfield, Milwaukee County, Wisconsin
Source: Ownwell
$27,700
$417,775
$807,850
Median Greenfield Market Value
$45,800
Median Milwaukee County Market Value
$207,700
Median Wisconsin Market Value
$237,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Greenfield, Milwaukee County, Wisconsin
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 53221 | $15,940 | $16,850 | $35,600 | $66,950 | $218,050 |
| 53228 | $13,600 | $18,250 | $48,650 | $81,650 | $108,440 |
| 53130 | N/A | N/A | N/A | N/A | N/A |
| 53219 | N/A | N/A | N/A | N/A | N/A |
| 53220 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Greenfield, Milwaukee County, Wisconsin
How are property tax bills calculated in Greenfield?
Property tax bills in Greenfield are based on the assessed value of a home and the local tax rate set by taxing authorities in Milwaukee County. When a property’s market value changes, the assessed value can change too, which affects the final bill. Homeowners are taxed on that assessed value, so a higher valuation usually means a larger tax bill.
What factors affect the amount homeowners pay?
The biggest factors are the home’s assessed value, the local tax rate, and any exemptions that may apply. With a median home price of $45,800, Greenfield homeowners often see bills that vary widely depending on location and property characteristics. The 25th percentile tax bill is $334, while the 75th percentile is $1,644 and the 90th percentile reaches $2,857.
How does this affect homeowners?
These differences can have a major impact on monthly housing costs and long-term affordability. Even within the same city, tax bills can differ by neighborhood, with the lowest median bill at $704 in ZIP code 53221 and the highest at $960 in ZIP code 53228.
Median Greenfield Tax Bill
$886
Median Milwaukee County Tax Bill
$3,980
Median Wisconsin Tax Bill
$3,453
Median United States Tax Bill
$2,400
Property Tax Bills Across Greenfield, Milwaukee County, Wisconsin
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 53221 | $315 | $333 | $704 | $1,323 | $4,457 |
| 53228 | $263 | $360 | $960 | $1,745 | $2,055 |
| 53130 | N/A | N/A | N/A | N/A | N/A |
| 53219 | N/A | N/A | N/A | N/A | N/A |
| 53220 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | June 2 |
Links | |
|---|---|
| Milwaukee Tax Assessor | |
| Website | assessments.milwaukee.gov |