Black Diamond

Warm & Friendly With Spectacular Views

The City of Black Diamond, Washington is located in one of the fastest-growing areas of the Puget Sound with abundant opportunities for commercial development. The southeast King County region that includes Black Diamond, Covington and Maple Valley has expanded considerably over the past 10 years. Black Diamond is planning to grow from 4,100 citizens to nearly 20,000 citizens and add 1.5 million square feet of commercial development over the next 15 years. As part of the major expansion of the city, Black Diamond as approved two major Master Planned Developments totaling up to 6,000 new residential units. There is significant retail leakage out of Black Diamond. By 2017, analysis indicates an additional $316 million of retail spending could be captured within the city’s primary market area. (The Sullivan Group, 2008) A transportation network includes SR 18, SR 167, SR 516, SR 169 with nearby access to I-90 and I-5.

The city is located just 33 miles from Seattle, 30 miles from Tacoma and approximately 22 miles from Sea-Tac Airport. This low-crime city has a high quality of life. Lake Sawyer, many creeks and nearby Crystal Mountain, Flaming Geyser State Park and Kanaskat-Palmer State Park provide ample recreational opportunities. The city enjoys high household incomes and low unemployment, but the workforce travels an average of 42 minutes to work and back each day. For example, commute times to Issaquah of 35 minutes and Bellevue commute of 40 minutes to work and back each day.

Significant growth area in King County:

  • Millions of dollars in unmet retail demand in primary market area
  • Ample water and sewer capacity
  • No state or local income tax
  • No local business and occupation tax
  • Easy access to Green River Community College, Highline Community College, DeVry University, University of Washington and Seattle Pacific University
  • Near Highway 18, I-90 and I-5
  • Near Seattle, Bellevue, Tacoma, McChord AFB and other major employment centers
  • High household income
  • Low crime rates
Major Employers

Black Diamond Demographics

Total Population

Total Population

Median Household income

Median Household Income

Single Family Households
Multi Family Households

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