The median sales price of a Grundy County home in the fourth quarter of 2022 was $238,000, based on data from the 192 properties sold during that time. In 2020 the median tax bill for the county was $4,338, which is 1.8% of the median value of the homes that were taxed.
This is 1.6 times higher than the average effective property tax rate of 1.11% in the U.S. in 2023.
The analysis of Grundy County real estate data showed homeowners in South Wilmington, Coal City, and Channahon paid the highest rates.
The following table compares South Wilmington with some other cities belonging to Grundy County by their median effective property tax rate, calculated using sales and property tax data from the fourth quarter of 2022.
| City | Q4 2022 Sales | Q4 2022 Median Price | Median tax 2022 | Effective tax rate |
|---|---|---|---|---|
| South Wilmington | 2 | $119,750 | $3,149 | 2.6% |
| Coal City | 29 | $181,000 | $4,092 | 2.3% |
| Channahon | 11 | $345,000 | $7,796 | 2.3% |
| Minooka | 40 | $279,400 | $5,834 | 2.1% |
| Mazon | 6 | $213,000 | $3,976 | 1.9% |
| Diamond | 8 | $229,250 | $4,158 | 1.8% |
| Gardner | 13 | $186,500 | $3,393 | 1.8% |
| Morris | 63 | $280,000 | $4,642 | 1.7% |
| Lisbon North | 2 | $334,000 | $5,451 | 1.6% |
| Braceville | 2 | $241,000 | $3,566 | 1.5% |
| Carbon Hill | 1 | $200,000 | $2,798 | 1.4% |
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