Home Commercial Rich Uncles Spends $29MM for Sammamish Office Building Occupied by Costco CommercialFinance Rich Uncles Spends $29MM for Sammamish Office Building Occupied by Costco December 25, 2018 Facebook Twitter WhatsApp Linkedin ReddIt Email By Jon Peterson Costa Mesa, Calif.-based Rich Uncles, a crowd-funding real estate investment plaThank you for your interest in The Registry. You must Subscribe or Log In to read the rest of this content.