Family. Founded in 1950 by Andy Andersen, Andersen Construction builds throughout the Pacific Northwest with offices operating in Portland, OR (HQ), Seattle, WA, Eugene, OR, and Boise, ID. Culture. With a goal to become our clients’ “Builder of Choice”, our employees live and work by nine core values. We are accountable to one another, our clients and partners to uphold these values. At the root of it all, we do what we say we are going to do. Performance. We excel at building technically challenging commercial, residential & industrial projects. Andersen is at the forefront of highly collaborative management approaches. Our portfolio includes healthcare, multi-family housing, educational, advanced technology, commercial offices, industrial, retail, parking and hospitality.