In October 2020, there were five homes sold, with a median sale price of $375,000 - a 16.7% decrease over the $450,000 median sale price for the same period of the previous year. There were seven homes sold in Black Diamond in October 2019.
The median sales tax in Black Diamond for the most recent year with available data, 2016, was $3,492, approximately 0.9% of the median home sale price for October 2020.
The following table compares Black Diamond to other King County cities with similar median sale prices in October 2020:
| City | Oct. 2020 Home Sales | Oct. 2019 Home Sales | % change (Total Home Sales) | Oct. 2020 Median Sales Price | Oct. 2019 Median Sales Price | % change (Median Sales Price) |
|---|---|---|---|---|---|---|
| Pacific | 3 | 3 | 0% | $466,500 | $345,000 | 35.2% |
| Snoqualmie (unincorporated) | 2 | 2 | 0% | $455,000 | $1,027,625 | -55.7% |
| Auburn | 37 | 32 | 15.6% | $453,000 | $391,500 | 15.7% |
| Federal Way | 51 | 45 | 13.3% | $440,000 | $407,000 | 8.1% |
| Des Moines | 18 | 13 | 38.5% | $433,750 | $450,000 | -3.6% |
| Enumclaw | 23 | 11 | 109.1% | $431,000 | $365,000 | 18.1% |
| South Federal Way (unincorporated) | 5 | 6 | -16.7% | $431,000 | $393,225 | 9.6% |
| Seatac | 12 | 11 | 9.1% | $419,750 | $370,000 | 13.4% |
| Black Diamond | 5 | 7 | -28.6% | $375,000 | $450,000 | -16.7% |
| Algona | 1 | 1 | 0% | $344,300 | $349,950 | -1.6% |
| Milton | 1 | 2 | -50% | $270,000 | $407,500 | -33.7% |
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