From July through September of 2018, there were 30 homes sold, with a median sale price of $783,500 - a 23.4% increase over the $635,000 median sale price for the same period of the previous year. There were 48 homes sold in Oak Brook in the third quarter of 2017.
The median sales tax in Oak Brook for the most recent year with available data, 2017, was $10,143.90, approximately 1.3% of the median home sale price for the third quarter of 2018.
The following table compares Oak Brook to other DuPage County cities with similar median sales prices in the third quarter of 2018:
| City | July - Sept. 2018 Home Sales | July - Sept. 2017 Home Sales | % change (Total Home Sales) | July - Sept. 2018 Median Sales Price | July - Sept. 2017 Median Sales Price | % change (Median Sales Price) |
|---|---|---|---|---|---|---|
| Hinsdale | 87 | 90 | -3.3% | $807,500 | $1,000,000 | -19.3% |
| Oak Brook | 30 | 48 | -37.5% | $783,500 | $635,000 | 23.4% |
| Burr Ridge | 28 | 42 | -33.3% | $687,500 | $601,250 | 14.3% |
| Wayne | 8 | 16 | -50% | $493,500 | $432,500 | 14.1% |
| Elmhurst | 190 | 257 | -26.1% | $415,000 | $388,000 | 7% |
| Glen Ellyn | 100 | 147 | -32% | $383,750 | $355,000 | 8.1% |
| Glenbard South | 30 | 19 | 57.9% | $363,500 | $345,000 | 5.4% |
| Clarendon Hills | 48 | 61 | -21.3% | $357,000 | $450,000 | -20.7% |
| Lisle | 80 | 101 | -20.8% | $355,000 | $253,000 | 40.3% |
| Naperville | 392 | 522 | -24.9% | $353,750 | $335,000 | 5.6% |
| Medinah | 8 | 11 | -27.3% | $350,500 | $295,000 | 18.8% |
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