Washington's Department of Revenue holds over $2.3 billion in unclaimed property. The Seattle metro's massive tech concentration — Amazon HQ, Microsoft (Redmond), T-Mobile, Costco, Starbucks, Expedia, Nordstrom — generates the country's largest single concentration of tech equity-compensation and RSU unclaimed property.
Reviewed by David Dorfman, CEO & President of Claimio. Last updated 2026-02-27.