In May, there were two homes sold, with a median sale price of $1,043,500 - an 18.6 percent decrease from the $1,282,500 median sale price for the same period of the previous year. There were two homes sold in Black Diamond (unincorporated) in May 2021, as well.
The median sales tax in Black Diamond (unincorporated) for the most recent year with available data, 2016, was $6,230, approximately 0.6 percent of the median home sale price for May.
The following table compares Black Diamond (unincorporated) to other King County cities with similar median sale prices in May:
| City | May 2022 Home Sales | May 2021 Home Sales | % change (Total Home Sales) | May 2022 Median Sales Price | May 2021 Median Sales Price | % change (Median Sales Price) |
|---|---|---|---|---|---|---|
| Bothell | 5 | 10 | -50 | $1,230,000 | $901,000 | 36.5 |
| Normandy Park | 8 | 8 | 0 | $1,217,500 | $1,000,000 | 21.8 |
| Bothell (unincorporated) | 14 | 9 | 55.6 | $1,187,500 | $985,000 | 20.6 |
| Lea Hill (unincorporated) | 4 | 8 | -50 | $1,100,000 | $820,000 | 34.1 |
| North Bend (unincorporated) | 16 | 16 | 0 | $1,050,000 | $743,750 | 41.2 |
| Black Diamond (unincorporated) | 2 | 2 | 0 | $1,043,500 | $1,282,500 | -18.6 |
| Kenmore | 13 | 14 | -7.1 | $1,020,000 | $792,500 | 28.7 |
| Seattle | 380 | 480 | -20.8 | $1,007,501 | $943,000 | 6.8 |
| Ravensdale (unincorporated) | 5 | 6 | -16.7 | $925,000 | $869,000 | 6.4 |
| Shoreline | 39 | 65 | -40 | $875,000 | $825,000 | 6.1 |
| Carnation | 2 | 3 | -33.3 | $854,800 | $925,000 | -7.6 |
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