Hans and Cindy Koch’s east Vashon Island estate is on the market for $9.95 million. Brokers Tere Foster and Moya Skillman of Team Foster at Compass have the listing.
Hans Koch is the former owner and chairman of Trojan Lithograph, headquartered in Renton. He is a serial entrepreneur who owns several more companies — at 82, he is trying to simplify his life and has divested many others.
Cindy Koch is a passionate animal activist and dog rescuer who built a heated and lit indoor dog kennel system…