The design started with the footprint of the existing building extended to four additional stories. Simple, clean materials with minimal maintenance requirements were important inside and out. The owner envisioned a Northwest home that used extensive glass and natural light, focused on the building’s busy waterfront and the commercial neighborhood. Interiors of bamboo flooring, light quarter-sawn oak cabinetry and doors, grass cloth, simple modern tile, trim, and fixtures reflect the clean, contemporary lighting.