Muskego homeowners paid property taxes at an effective rate of 1% of their home’s value in the fourth quarter of 2025 — over 1.1 times the national average, data from BlockShopper.com shows.
The median sale price for homes in Muskego that quarter was $433,000, based on 181 properties sold. The median property tax bill for 2025 stood at $4,149, representing 1% of the assessed home value in the city.
The average national effective property tax rate was 0.888% in 2024.
Within Waukesha County, Oconomowoc Lake, Lac La Belle, and Chenequa had the highest effective property tax rates among area cities.
This article’s calculations for the 2025 effective property tax rate relied on inflation estimates along with 2024 tax data from the county. Actual effective property tax rates may differ slightly in specific cases.
U.S. home prices kept rising in 2025, as June’s national median price hit about $447,000, an increase of 1.13% compared to a year earlier, according to Redfin. Their data also noted a considerable excess in inventory, with 36% more sellers than buyers (a difference of 508,715 homes). Redfin classifies a market as balanced when buyers and sellers are within 10% of each other.
The table below shows a comparison of Oconomowoc Lake and other Waukesha County cities by 2025’s fourth quarter median effective property tax rate, as calculated by recent sales and tax figures.
| City | Q4 2025 Sales | Q4 2025 Median Price | Median tax 2025 | Effective tax rate |
|---|---|---|---|---|
| Oconomowoc Lake | 9 | $449,000 | $15,170 | 3.4% |
| Lac La Belle | 10 | $476,300 | $16,349 | 3.4% |
| Chenequa | 8 | $587,500 | $19,435 | 3.3% |
| Elm Grove | 50 | $580,800 | $7,840 | 1.3% |
| Lannon | 17 | $345,000 | $4,478 | 1.3% |
| Waukesha | 206 | $371,950 | $4,503 | 1.2% |
| Sussex | 74 | $427,200 | $5,220 | 1.2% |
| Summit | 44 | $557,500 | $6,469 | 1.2% |
| New Berlin | 376 | $399,950 | $4,361 | 1.1% |
| Merton | 25 | $515,000 | $5,606 | 1.1% |
| Delafield | 65 | $566,100 | $6,230 | 1.1% |
| Mukwonago | 49 | $375,000 | $4,123 | 1.1% |
| Oconomowoc | 184 | $441,500 | $4,724 | 1.1% |
| Dousman | 17 | $480,500 | $5,146 | 1.1% |
| Menomonee Falls | 293 | $398,250 | $4,072 | 1% |
| Brookfield | 82 | $449,000 | $4,695 | 1% |
| Butler | 12 | $299,900 | $3,017 | 1% |
| Hartland | 56 | $409,625 | $4,158 | 1% |
| Okauchee Lake | 50 | $491,000 | $5,083 | 1% |
| Wales | 41 | $450,000 | $4,519 | 1% |
| Muskego | 181 | $433,000 | $4,149 | 1% |
| Pewaukee | 212 | $397,500 | $3,844 | 1% |
| Eagle | 19 | $358,400 | $3,340 | 0.9% |
| North Prairie | 14 | $484,950 | $3,807 | 0.8% |
| Vernon | 58 | $450,500 | $3,510 | 0.8% |
| Nashotah | 15 | $748,500 | $4,659 | 0.6% |
| Big Bend | 3 | $663,400 | $3,304 | 0.5% |
