General Info

Affinity Design Group, based in Orange, CA, is your go-to partner for comprehensive civil and structural engineering services. Specializing in room additions, disaster recovery solutions, ADUs, seismic and wind retrofitting, new construction projects for both commercial and residential properties. Our expert team offers a wide array of services including foundation analyses, site investigations to obtain measurements accurately, seismic analyses using the latest techniques, 3D modeling to visualize designs effectively, structural engineering calculations ensuring safety and durability. We also handle wind analyses and produce detailed construction drawings for swift project completion. Trust us with document submittal to relevant building departments and receive meticulous structural observation reports. With a wealth of experience in architectural and engineering services combined with a commitment to excellence; Affinity Design Group stands out as a reliable partner for all your engineering needs big or small in Orange County. From commercial ventures seeking robust infrastructure support to homeowners looking to enhance their living spaces with innovative design solutions – we cater to diverse clientele with tailored services that prioritize quality outcomes. Embrace our expertise backed by precision engineering skills that guarantee projects are executed smoothly from conception through completion - making us the top choice for those seeking comprehensive civil and structural engineering solutions in Orange County.