9855 BLACK MOUNTAIN RD SAN DIEGO, CA. 92126 858 271 8480 FENESTRATION INTERIORS DESIGN ELEMENTS THRESHOLDS BI-FOLDING DOORS ABOUT OUR WORK BLOG CONTACT For over 40 years, Design Synthesis Inc. has provided unique and beautiful architectural elements for high quality residential and commercial buildings. More than just a subcontractor, Design Synthesis becomes part of a project's team - offering creative solutions to difficult design challenges and guiding clients toward the best materials and manufactured products to achieve their project's vision. Whether windows, doors, glazing, ceilings, paneling, casework, staircases, entries or furniture - Design Synthesis provides exceptional service, craftsmanship and care. Explore our work and contact us for your next extraordinary project. Explore Our Work - Fenestration - Interiors - Design Elements - Newsletter Keep up to date with the projects we are working on SIGN UP We respect your privacy.