I would guess it's because it's relatively close to both Seattle and Redmond so you have ex Amazon and Microsoft employees who are willing to work there. Actual

I would guess it's because it's relatively close to both Seattle and Redmond so you have ex Amazon and Microsoft employees who are willing to work there. Actually I think that Microsoft already has some offices in Bellevue. Plus, it's way cheaper. For what it's worth, I currently work and live in Seattle but I would completely prefer living and working in Bellevue.