From January through December of 2021, there were 250 homes sold, with a median sale price of $2,187,500 - a 32.7% increase over the $1,649,000 median sale price for the previous year. There were 195 homes sold in Mercer Island in 2020.
The median sales tax in Mercer Island for the most recent year with available data, 2016, was $8,399, approximately 0.4% of the median home sale price for 2021.
The following table compares Mercer Island to other King County cities with similar median sale prices in 2021:
| City | Jan. - Dec. 2021 Home Sales | Jan. - Dec. 2020 Home Sales | % change (Total Home Sales) | Jan. - Dec. 2021 Median Sales Price | Jan. - Dec. 2020 Median Sales Price | % change (Median Sales Price) |
|---|---|---|---|---|---|---|
| Yarrow Point | 6 | 11 | -45.5% | $4,553,000 | $3,150,000 | 44.5% |
| Medina | 37 | 38 | -2.6% | $3,730,000 | $3,750,000 | -0.5% |
| Clyde Hill | 50 | 31 | 61.3% | $3,400,000 | $2,525,000 | 34.7% |
| Hunts Point | 3 | 2 | 50% | $2,550,000 | $3,900,000 | -34.6% |
| Beaux Arts Village | 8 | 1 | 700% | $2,287,500 | $3,350,000 | -31.7% |
| Mercer Island | 250 | 195 | 28.2% | $2,187,500 | $1,649,000 | 32.7% |
| Sammamish (unincorporated) | 12 | 10 | 20% | $1,880,500 | $1,452,495 | 29.5% |
| Fenton (unincorporated) | 19 | 7 | 171.4% | $1,710,000 | $1,380,000 | 23.9% |
| Bellevue | 940 | 651 | 44.4% | $1,506,800.50 | $1,200,000 | 25.6% |
| Kirkland | 467 | 310 | 50.6% | $1,500,000 | $1,240,000 | 21% |
| Duvall (unincorporated) | 135 | 122 | 10.7% | $1,500,000 | $1,122,500 | 33.6% |
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