Though it has a humble facade of unadorned steel panels and glass, the Stair House, designed by local firm David Coleman Architecture is airy and light-filled inside. Past a small forecourt, the house's entry features a mahogany porch and a fritted-glass door, beyond which lie open-plan interiors oriented toward views of nearby Lake Washington and the Cascade Mountains. Clocking in at 2,400 square feet, the Stair House is so named for the three-story stairwell around which many of the house spaces are arranged. The house replaces an older structure that was demolished to make way for this newer dwelling. Check it out!