Plan One - Overview



Plan One was established in 1999 by William Gottlieb after 25 years of building homes of his own design. Located in Seattle, we bring fine home design to a wide range of discerning clients nationwide.


			From affordable production housing to high-end spec homes, custom residences and remodels, we specialize in original designs that are practical, efficient to build and a daily pleasure to live in. Individuals and homebuilders enjoy partnering with us. They value our understanding of land use, zoning, covenants and community associations—and our reputation for elegant solutions that “design more home” into every square foot. Builders appreciate that our award-winning designs give them a competitive edge. Custom home clients appreciate the listening, practical expertise and creativity we devote to designing personal living environments of lasting beauty and functionality. Stock plans are available at this site—including plans for our popular Sunset 2001 Idea House. Home designs marketed nationally By Plan One have won prestigious awards. Our designs are also at home internationally in Europe, Japan, and Russia.