This single family home in the hills of Oakland, Calif., overlooking the Golden Gate Bridge and the San Francisco, is designed to comfortably merge in this difficult and steep site. It also aims to provide a tranquil yet inspiring setting for a young couple, their two children and their aging in-laws. The physical site presented the greatest challenge the project and management. The slope of 17% associated with height restrictions and adjacencies of neighboring houses that the building is necessary “bunker”in the landscape. This became the source of project planning, spatial strategy and architecture, which is centered around the entrance or “node” of the building.