Waukesha County, Wisconsin Property Taxes
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
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.34%
Estimate Property Tax Bill
$4,669
$4,332
Property Tax Rates Across Waukesha County, Wisconsin
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%
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
1.58%
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% |
Lisbon | N/A | N/A | N/A | N/A | N/A |
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 Lake | N/A | N/A | N/A | N/A | N/A |
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% |
Palmyra | N/A | N/A | N/A | N/A | N/A |
Pewaukee | 0.88% | 1.05% | 1.26% | 1.45% | 1.45% |
Sullivan | N/A | N/A | N/A | N/A | N/A |
Summit | N/A | N/A | N/A | N/A | N/A |
Sussex | 1.00% | 1.23% | 1.44% | 1.44% | 1.44% |
Wales | 1.27% | 1.27% | 1.27% | 1.27% | 1.27% |
Waterford | N/A | N/A | N/A | N/A | N/A |
Waukesha | 0.92% | 1.12% | 1.58% | 1.58% | 1.58% |
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 |
Lisbon | N/A | N/A | N/A | N/A | N/A |
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 Lake | N/A | N/A | N/A | N/A | N/A |
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 |
Palmyra | N/A | N/A | N/A | N/A | N/A |
Pewaukee | $193,360 | $258,500 | $363,600 | $558,750 | $787,480 |
Sullivan | N/A | N/A | N/A | N/A | N/A |
Summit | N/A | N/A | N/A | N/A | N/A |
Sussex | $271,890 | $311,400 | $370,250 | $464,225 | $578,910 |
Wales | $294,560 | $337,600 | $377,500 | $445,500 | $697,800 |
Waterford | N/A | N/A | N/A | N/A | N/A |
Waukesha | $194,905 | $236,815 | $310,446 | $390,500 | $490,040 |
Source: Ownwell
Property Tax Bills Across Waukesha County, Wisconsin
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 |
Lisbon | N/A | N/A | N/A | N/A | N/A |
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 Lake | N/A | N/A | N/A | N/A | N/A |
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 |
Palmyra | N/A | N/A | N/A | N/A | N/A |
Pewaukee | $2,522 | $3,191 | $4,493 | $6,448 | $8,989 |
Sullivan | N/A | N/A | N/A | N/A | N/A |
Summit | N/A | N/A | N/A | N/A | N/A |
Sussex | $3,453 | $4,041 | $4,851 | $6,094 | $7,536 |
Wales | $3,561 | $4,231 | $4,764 | $5,581 | $8,811 |
Waterford | N/A | N/A | N/A | N/A | N/A |
Waukesha | $2,886 | $3,423 | $4,166 | $5,250 | $6,594 |
Source: Ownwell