415 Boren Avenue N., Seattle, Washington, USA, the former C.B. Van Vorst building. Article on 415 Boren Avenue N. on the Seattle Department of Neighborhoods site. The building is a Seattle City landmark. In 2008, the rear portion of the building was removed; the remainder of the building was gutted, renovated and repurposed as part of the campus of Amazon.com. This view was temporarily available while a site across the street was undergoing construction.