west-side mansion that is listed for sale at $28.8 million is the current most expensive King County MLS listing . It is one-half mile north of Paul Allen’s compound and on page 59 in Mercer Island Lake Washington 130 Homes.The Puget Sound Business Journal recently published an article about the property.
The living area is 13,636 sq ft with 7 bedrooms, 11.25 baths, theaters, multiple kitchens, wine cellars, and 8 washer-dryer rooms. There is additional covered non living areas and resort-style features including a 120” plasma TV rising from the edge of the pool. Construction started in 2004 when David and Becky Sandwith purchased the lot for $5.4 million. David, his parents and siblings sold Kent based Mikron Industries, a manufacturer of high tech window components, for $205 million to Quanex Corporation in 2004.