For fiscal year 2025, Oconomowoc Lake had a median commercial property tax rate of 1%, placing it 11th lowest in Waukesha County, based on information from BlockShopper.com.
The median for the county was 1.1% during the same period, with Oconomowoc Lake’s rate 0.1 percentage points lower than the countywide level.
Rates across the 23 cities in Waukesha County spanned from a low of 0.4% in Vernon to a high of 2.4% in Dousman.
According to an analysis by the Lincoln Institute of Land Policy, commercial property tax rates averaged 1.76% across 53 major U.S. cities in 2024. The study found annual property tax for a $1 million property with $200,000 in fixtures would total approximately $21,060. Rates differed significantly, with some cities below 1% and others as high as 4%.
Classification systems in many states can produce higher effective property tax rates for commercial, industrial, and apartment properties compared to residential. In various U.S. locations, businesses may be taxed at rates several times higher than residential properties; for instance, commercial rates in Charleston can be six times the residential rate.
| Rank | City | Tax Rate % |
|---|---|---|
| 1 | Dousman | 2.4% |
| 2 | Butler | 1.9% |
| 3 | Hartland | 1.4% |
| 4 | Nashotah | 1.2% |
| 4 | Waukesha | 1.2% |
| 4 | Elm Grove | 1.2% |
| 4 | Mukwonago | 1.2% |
| 4 | Oconomowoc | 1.2% |
| 9 | Delafield | 1.1% |
| 9 | Wales | 1.1% |
| 9 | New Berlin | 1.1% |
| 9 | Brookfield | 1.1% |
| 13 | Oconomowoc Lake | 1% |
| 13 | Menomonee Falls | 1% |
| 13 | Pewaukee | 1% |
| 13 | Lannon | 1% |
| 17 | Muskego | 0.9% |
| 17 | Sussex | 0.9% |
| 19 | Big Bend | 0.8% |
| 20 | Eagle | 0.7% |
| 21 | Okauchee Lake | 0.6% |
| 22 | Merton | 0.5% |
| 23 | Vernon | 0.4% |
| Rank | Address | Tax Rate % |
|---|---|---|
| 1 | 36105 Highway 16 E. | 1.7% |
Note: Some property addresses may be incomplete or missing due to limitations in county assessor data.
Information in this article was obtained from BlockShopper.com. The source data can be found here.
