Welcome to Best Pool San Diego Pool Design & Build We are a leading swimming pool & landscape design and build firm in Southern California From modern commercial designs to sleek backyard masterpieces. We create long-lasting, efficient, and stunning pools, spas, and fountains. In addition, we are Southern California’s premier commercial and residential pool service company with a world-class team of service and repair technicians. A Pool & Landscape Design & Build Firm and Service Firm ORANGE COUNTY • LOS ANGELES COUNTY (SOUTH) • SAN DIEGO NORTH COUNTY • SAN DIEGO COUNTY • INLAND EMPIRE