Cornerstone Engineering provides Public Sector and Municipal Engineering of infrastructure designs including interstate highways, arterial road design, storm drain facilities, water treatment facilities, construction surveys, mass transit facilities, light rail transit, corridor studies, water distribution systems, master planning, water reclamation, construction administration, construction inspection and plan check services. Clients include:
Caltrans Districts
CCDC
City of Bakersfield
City of Burbank
City of Carlsbad
City of Chula Vista
City of Delano
City of El Centro
City of Encinitas
City of Fresno
City of Holtville
City of La Mesa
City of Merced
City of National City
City of Oceanside
City of San Diego
City of Solana Beach
City of Tehachapi
City of Vista
County of Kern
County of San Diego
County of Tulare
County of Riverside

South San Juan Municipal Utility District
Los Angeles Metropolitan Transit Agency
North County's Transit District
Sacramento Regional Transit Authority


 

Southern San Joaquin Municipal Utility District
Delano, California
Land Planning & Development Engineering Traffic Engineering Surveying Public Works Municipal Engineering
Cardiff Unified School District
Carlsbad Unified School District
Oceanside Unified School District
Palomar Community College District
San Diego City School District
San Marcos State University
San Marcos Unified School District
Vista Unified School District
Office of State Architect
Department of Defense
Ramona Municipal Water District
Alpaugh Irrigation District