Seattle's Big-Tech Workers Fuel a Mountain Real-Estate Rush

In central Washington, roughly 80 miles southeast of Seattle in the Cascade Mountains, are the Kittitas County communities of Cle Elum and Roslyn. These small cities, each under 5 square miles and with full-time populations in the low thousands, were once bustling coal-mining hubs.

- JESSICA FLINT

Homes at Suncadia in Cle Elum, Wash.