St. Louis Park Addition and Remodel Designed and Built by TreHus. 2009 Chrysalis Regional Award, Additions Over $250,000. 2009 Master Design Award Finalist, Room Additions Over $100,000. 2008 Remodelers Showcase Project. Project Gallery This project in St. Louis Park added a light-filled family room to the first floor and a master bathroom to the second floor of this 1940’s Colonial home.