Dream Design Builders Custom Home Virtual Fly Thru Tour of Custom Home for San Diego. Simmons Custom Home. This 11,000 sq ft custom home to be located in Pauma Valley is designed to reflect a life style that existed 50 – 60 years ago when life was much simpler. Elements derived from the land emphasize natural materials, forms and textures that are incorporated into the home. The design of the building includes sweeping verandas and porches, simple roof lines, deep set windows and doors, clay mud boosted roof tiles and a steel troweled plaster finish. The look and feel of the homes exterior facade is representative of a Santa Barbara home constructed in the 1950’s.