A median commercial property tax rate of 3% put Channahon at the top in Grundy County for fiscal year 2025, based on data from BlockShopper.com.
For fiscal year 2025, the median property tax for the county was 1.6%, making Channahon’s rate 1.4 percentage points higher.
Tax rates among the six Grundy County cities ranged from a low of 0.7% in Diamond to the 3% rate in Channahon.
An analysis from the Lincoln Institute of Land Policy shows that the median commercial property tax rate across 53 major U.S. cities was 1.76% in 2024. The report says the annual tax bill equals roughly $21,060 for a property valued at $1 million with $200,000 in fixtures. Rates ranged widely, with some cities well below 1% and others reaching up to 4%.
Official classifications can create higher property tax rates for commercial, industrial and apartment buildings than for residential properties in many states. In certain areas, business properties are sometimes taxed at several times the rate applied to homes, such as in Charleston, where rates can be as much as six times higher.
| Rank | City | Tax Rate % |
|---|---|---|
| 1 | Channahon | 3% |
| 2 | Coal City | 1.9% |
| 2 | Minooka | 1.9% |
| 4 | Morris | 1.4% |
| 5 | Gardner | 1.3% |
| 6 | Diamond | 0.7% |
| Rank | Address | Tax Rate % |
|---|---|---|
| 1 | 27734 | 3.9% |
| 2 | N/A | 2% |
Note: Some property addresses may be incomplete or missing because of limitations in data from the county assessor.
Details for this report were taken from BlockShopper.com. The original data source is available here.
