Custom residential architecture firm at 7730 Herschel Ave, Suite O, La Jolla, CA 92037, founded by Mark Lee Christopher in 1987. A University of Michigan–educated architect with nearly four decades of practice, Christopher holds LEED accreditation and uses 3D building-information modeling to refine designs before construction begins. The firm has earned nine San Diego Home/Garden Lifestyle Magazine Home of the Year awards, two San Diego Magazine Best Home awards, and an AIA Honor Award. Projects range from custom coastal homes to master-planned resort communities, with construction budgets starting at $1 million. Architects like IS Architecture on La Jolla Blvd share Sanctuary's commitment to historic preservation in the 92037 market, while builders like Grunow Construction handle the ground-up builds these designs demand.