Black Diamond, Washington
A charming former mining town nestled in the Cascade foothills. Black Diamond offers rural living, stunning Lake Sawyer views, and a close-knit community just 30 minutes from Seattle.
$771,000
Typical Home Value
-2.4%
Year-over-Year
4,500+
Population
Zillow Home Value Index, June 2026. Population: US Census.
Why Live in Black Diamond
Discover what makes Black Diamond a hidden gem in the foothills
Rural Charm
Small-town atmosphere surrounded by forests and rolling foothills
Lake Sawyer
Scenic 280-acre lake for boating, fishing, and waterfront living
Rich History
Former coal mining town with a preserved historic downtown
Community Spirit
Tight-knit community with local events and farmers markets
Schools in Black Diamond
Enumclaw School District serves Black Diamond students with strong community schools
Local Amenities
Enjoy nature, history, and small-town charm in Black Diamond
Lake Sawyer
Boating, fishing, and swimming
Black Diamond Open Space
Trails and nature preserves
Historic Town Center
Bakery, antiques, local shops
Black Diamond Museum
Coal mining heritage exhibits
Lake Sawyer Regional Park
Sports fields and playgrounds
Green River Gorge
Hiking and scenic overlooks
What to know about Black Diamond
Getting around
SR 169 runs north to Maple Valley and Renton. There is no rail service, so most households drive.
Housing stock
Two markets in one city: older homes on large lots near the historic core, and new construction at Ten Trails with HOA dues and design covenants.
Who Black Diamond suits
Good for buyers who want newer construction and space, and who are comfortable driving for everything. Not a fit for anyone needing transit.
Around Black Diamond
- Lake Sawyer
- Black Diamond Bakery
- Black Diamond Museum
- Ten Trails
The Black Diamond market right now
Black Diamond has a typical home value of $771,000. That runs about 8% below the $834,000 median across the King County cities we serve.
Values are down 2.4% year over year, in line with the broader Puget Sound softening. That is a modest correction rather than a slide, so well-prepared listings still move. Buyers should not expect distressed pricing, but there is more room to ask than there was.
Our read on Black Diamond
Black Diamond is a former coal town that is now absorbing one of the largest master planned developments in the county at Ten Trails. That means two distinct markets in one city: historic homes near the old town, and new construction with HOA dues. Buyers should be clear which they are shopping, because the carrying costs are not comparable.
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