SDE has been providing integrated civil engineering services for private and public clients for more than four decades. Our engineers work closely with agencies, developers, owners, planners, surveyors, consulting engineers and architects to create solutions for municipal infrastructure, land development, site development, Subsurface Utility Engineering (SUE), and design of sewer, water and storm drain facilities. San Dieguito Engineering performs land surveying services for land division, design and construction of roads, utilities, building sites, and the completion of property legal descriptions and plats.