Black Diamond is a historic former coal-mining town in southeast King County, surrounded by forest and close to Lake Sawyer. Use the search to browse every active listing, or pick a price range on the right to narrow it down.
$792KMedian single-family sale price, 12 months through May 2026
200Single-family homes sold, 12 months through May 2026
61 daysMedian days on market, single-family homes
Most sales in Black Diamond are single-family homes, and the typical home spends about 61 days on the market. Sellers should price against recent nearby sales rather than the citywide median, and buyers should compare a few areas before settling on a price range.
Source: Redfin Data Center, Black Diamond, about the 12 months through May 2026.
