AMLI Arc, also known as Tilt 49, is a mixed-use building complex in Seattle, Washington, United States. It consists of two buildings, both facing Boren Avenue between Stewart and Howell streets: a 41-story, 440-foot-tall (130 m) residential skyscraper with 368 apartments to the south; and an 11-story, 307,296-square-foot (28,548.7 m2) office building with retail space to the north. Tilt 49 shares this block with the Kinects residential tower as well as the cancelled Daola Tower.