This is priced around what it would cost to build something similar from scratch in the back yard of an existing house in an area like Seattle. The caveats make

This is priced around what it would cost to build something similar from scratch in the back yard of an existing house in an area like Seattle. The caveats make sense, you can easily spend $100k in permitting, site prep, and foundation if your site is not flat (common in this area).