In fiscal year 2025, Lannon reported a median commercial property tax rate of 1%, making it the 11th-lowest locale in Waukesha County, according to BlockShopper.com.
The countywide median was 1.1% for the same period, placing Lannon 0.1 percentage points beneath the county figure.
Out of 23 Waukesha County cities, municipal rates ranged between 0.4% in Vernon and 2.4% in Dousman.
During fiscal year 2024, Lannon had a median commercial property tax rate of 1.3%, ranking sixth in the county.
According to the Lincoln Institute of Land Policy, the average commercial property tax rate among 53 major U.S. cities in 2024 was 1.76%. For a $1 million property with $200,000 in fixtures, this yields an approximate yearly tax liability of $21,060. Commercial property tax rates nationally ranged from well below 1% to as high as 4% depending on the city.
Many states classify properties so that commercial, industrial, and apartment property owners incur higher effective tax rates than residential property owners. In parts of the country, business tax rates can be several times those for residences; for example, Charleston’s commercial tax rate is about six times higher than its 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 | N/A | 1.2% |
| 2 | 21124 W. Good Hope Road | 1% |
| 2 | N/A | 1% |
Note: Due to assessor data limitations, some commercial property addresses may lack details or be incomplete.
BlockShopper.com supplied the information for this article. Source data can be accessed here.
