Waukesha County, Wisconsin Property Taxes

Name: Property Tax Bills Across Waukesha County, Wisconsin
Creator: Ownwell
License: https://creativecommons.org/licenses/by-nc/4.0/

Median Waukesha County effective property tax rate: 1.34%, significantly higher than the national median of 1.02%.
Median Waukesha County home value: $348,408
Median annual Waukesha County tax bill: $4,538, $2,138 higher than the national median property tax bill of $2,400.

How are property taxes in Waukesha County calculated?

Property taxes in Waukesha 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 a city like Brookfield or another part of Waukesha County, knowing local tax details benefits homeowners and investors.

Last Updated March 1, 2025

Waukesha County, Wisconsin Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.34%

Estimate Property Tax Bill

$4,669

$4,332

Ownwell’s Waukesha County Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Waukesha County with just two data points. By entering your property's estimated assessed value, our calculator applies Waukesha County’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a more precise calculation for your property tax obligations. This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Waukesha County. For those interested in more localized information, please scroll down to explore city-level trends!

Property Tax Rates Across Waukesha County, Wisconsin

Local government entities set tax rates, which can vary widely within a state. 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 Waukesha County's effective property tax rate to other counties in Wisconsin or the U.S. median property tax rate. Waukesha County has a median property tax rate of 1.34%, which is higher than the national median of 1.02%. This places Waukesha above many other counties nationwide. Within the county, Butler has the highest median tax rate at 1.71%, while Eagle offers a more affordable rate at 0.98%. Understanding these differences can help property owners make informed decisions about their investments and potential savings through property tax appeals or exemptions.

Property Tax Rates Across Waukesha County, Wisconsin

Source: Ownwell

0.93%

1.32%

1.71%

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 Waukesha County Tax Rate

1.34%

Median Effective Wisconsin Tax Rate

1.58%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Waukesha County, Wisconsin

City	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
Big Bend	1.01%	1.01%	1.01%	1.49%	1.49%
Brookfield	1.41%	1.41%	1.41%	1.41%	1.41%
Butler	1.71%	1.71%	1.71%	1.71%	1.71%
Colgate	0.95%	0.99%	1.23%	1.23%	1.23%
Delafield	1.09%	1.09%	1.33%	1.33%	1.33%
Dousman	0.99%	1.07%	1.07%	1.59%	1.59%
Eagle	0.93%	0.93%	0.98%	1.09%	1.09%
Elm Grove	1.45%	1.45%	1.45%	1.45%	1.45%
Genesee Depot	1.12%	1.12%	1.12%	1.12%	1.12%
Hartland	0.87%	0.95%	1.04%	1.13%	1.13%
Ixonia	1.24%	1.24%	1.24%	1.24%	1.24%
Lannon	1.30%	1.30%	1.30%	1.30%	1.30%
Menomonee Falls	1.33%	1.34%	1.34%	1.34%	1.34%
Merton	0.90%	1.00%	1.00%	1.00%	1.00%
Milwaukee	1.49%	1.52%	1.53%	1.53%	1.53%
Mukwonago	1.01%	1.17%	1.17%	1.50%	1.50%
Muskego	1.14%	1.14%	1.14%	1.14%	1.14%
Nashotah	0.84%	0.90%	1.11%	1.11%	1.17%
New Berlin	1.49%	1.49%	1.49%	1.49%	1.53%
North Prairie	0.99%	1.17%	1.17%	1.17%	1.29%
Oconomowoc	1.18%	1.24%	1.49%	1.51%	1.51%
Okauchee	1.24%	1.24%	1.25%	1.25%	1.25%
Pewaukee	0.88%	1.05%	1.26%	1.45%	1.45%
Sussex	1.00%	1.23%	1.44%	1.44%	1.44%
Wales	1.27%	1.27%	1.27%	1.27%	1.27%
Waukesha	0.92%	1.12%	1.58%	1.58%	1.58%
Lisbon	N/A	N/A	N/A	N/A	N/A
North Lake	N/A	N/A	N/A	N/A	N/A
Palmyra	N/A	N/A	N/A	N/A	N/A
Sullivan	N/A	N/A	N/A	N/A	N/A
Summit	N/A	N/A	N/A	N/A	N/A
Waterford	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Assessment Values Across Waukesha County, Wisconsin

When examining property taxes in Waukesha 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 Waukesha 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 Waukesha 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. 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 Waukesha County.

For example, the median tax bill in Waukesha County is $4,696, with tax bills ranging significantly across the county. Elm Grove has the highest median home price at $495,100.

Property Tax Assessment Values Across Waukesha County, Wisconsin

Source: Ownwell

$51,250

$273,175

$495,100

Median Waukesha County Market Value

$348,408

Median Wisconsin Market Value

$200,300

Median United States Market Value

$235,294

Property Tax Assessment Values Across Waukesha County, Wisconsin

City	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
Big Bend	$213,420	$261,450	$347,500	$423,550	$511,320
Brookfield	$269,600	$310,300	$371,700	$487,400	$676,190
Butler	$159,880	$181,250	$204,950	$228,150	$251,960
Colgate	$277,600	$293,800	$339,600	$414,400	$487,500
Delafield	$273,660	$352,200	$471,000	$643,800	$911,900
Dousman	$268,960	$335,500	$435,400	$529,800	$645,020
Eagle	$232,150	$293,000	$376,050	$471,800	$558,800
Elm Grove	$249,420	$364,300	$495,100	$632,400	$832,400
Genesee Depot	$157,030	$233,850	$266,050	$327,150	$516,050
Hartland	$245,160	$306,700	$453,100	$639,500	$948,320
Ixonia	$351,570	$378,575	$416,550	$476,050	$596,830
Lannon	$187,000	$232,750	$297,900	$410,100	$487,700
Menomonee Falls	$235,200	$262,900	$302,900	$431,500	$572,960
Merton	$44,990	$188,025	$244,450	$308,675	$376,240
Milwaukee	$226,900	$247,000	$271,200	$338,700	$400,700
Mukwonago	$225,000	$281,900	$356,500	$452,700	$545,720
Muskego	$257,530	$314,400	$381,900	$491,350	$595,850
Nashotah	$240,600	$347,500	$491,800	$716,850	$1,376,820
New Berlin	$195,110	$251,100	$299,300	$369,200	$478,280
North Prairie	$201,820	$283,450	$344,100	$444,950	$548,280
Oconomowoc	$232,600	$294,000	$396,100	$540,000	$906,900
Okauchee	$193,310	$245,800	$467,500	$826,200	$1,091,770
Pewaukee	$193,360	$258,500	$363,600	$558,750	$787,480
Sussex	$271,890	$311,400	$370,250	$464,225	$578,910
Wales	$294,560	$337,600	$377,500	$445,500	$697,800
Waukesha	$194,905	$236,815	$310,446	$390,500	$490,040
Lisbon	N/A	N/A	N/A	N/A	N/A
North Lake	N/A	N/A	N/A	N/A	N/A
Palmyra	N/A	N/A	N/A	N/A	N/A
Sullivan	N/A	N/A	N/A	N/A	N/A
Summit	N/A	N/A	N/A	N/A	N/A
Waterford	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Bills Across Waukesha County, Wisconsin

In Waukesha County, WI, property tax bills are calculated based on the assessed value of a home, which is determined by local assessors. The tax rate is then applied to this assessed value to calculate the annual tax bill. Factors such as the local government's budgetary needs and the value of public services, like schools and infrastructure, influence the tax rate. Homeowners in Waukesha County face a median tax bill that often surpasses the national median of $2,400, with the 25th percentile at $3,629 and the 75th percentile reaching $5,997. In Elm Grove, the highest median tax bill is $7,170, reflecting a higher demand for local services or higher property values. Conversely, Merton has the lowest median tax bill at $2,407, which is close to the national median. These variations can significantly impact homeowners, influencing property affordability and the overall cost of living in the area. Understanding these factors is crucial for homeowners to effectively manage their property expenses.

Property Tax Bills Across Waukesha County, Wisconsin

Source: Ownwell

$464

$3,817

$7,170

Median Waukesha County Tax Bill

$4,538

Median Wisconsin Tax Bill

$3,346

Median United States Tax Bill

$2,400

Property Tax Bills Across Waukesha County, Wisconsin

City	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
Big Bend	$2,808	$3,260	$3,782	$4,450	$5,638
Brookfield	$3,737	$4,317	$5,145	$6,768	$9,505
Butler	$2,741	$3,106	$3,516	$3,910	$4,318
Colgate	$3,243	$3,507	$3,853	$4,621	$5,491
Delafield	$3,449	$4,146	$5,751	$7,885	$10,887
Dousman	$3,349	$4,123	$4,891	$6,147	$7,861
Eagle	$2,511	$3,076	$3,710	$4,636	$5,407
Elm Grove	$3,611	$5,275	$7,170	$9,158	$12,055
Genesee Depot	$1,620	$2,617	$2,977	$3,662	$5,776
Hartland	$2,650	$3,250	$4,485	$6,405	$9,947
Ixonia	$4,372	$4,706	$5,180	$5,903	$7,422
Lannon	$2,431	$3,027	$3,874	$5,334	$6,343
Menomonee Falls	$3,147	$3,517	$4,051	$5,762	$7,656
Merton	$385	$1,874	$2,407	$3,078	$3,750
Milwaukee	$3,460	$3,767	$4,137	$5,166	$6,023
Mukwonago	$3,129	$3,686	$4,336	$5,622	$6,894
Muskego	$2,948	$3,589	$4,363	$5,618	$6,817
Nashotah	$2,665	$3,382	$5,090	$7,714	$14,964
New Berlin	$2,925	$3,756	$4,482	$5,527	$7,160
North Prairie	$2,358	$3,305	$4,089	$5,011	$6,279
Oconomowoc	$3,234	$4,019	$5,405	$7,323	$11,359
Okauchee	$2,405	$3,071	$5,841	$10,322	$13,640
Pewaukee	$2,522	$3,191	$4,493	$6,448	$8,989
Sussex	$3,453	$4,041	$4,851	$6,094	$7,536
Wales	$3,561	$4,231	$4,764	$5,581	$8,811
Waukesha	$2,886	$3,423	$4,166	$5,250	$6,594
Lisbon	N/A	N/A	N/A	N/A	N/A
North Lake	N/A	N/A	N/A	N/A	N/A
Palmyra	N/A	N/A	N/A	N/A	N/A
Sullivan	N/A	N/A	N/A	N/A	N/A
Summit	N/A	N/A	N/A	N/A	N/A
Waterford	N/A	N/A	N/A	N/A	N/A

Source: Ownwell