The OES' infrastructure includes a headquarters facility and Inland Region Coordination Center located in Sacramento County, which provides the statewide central point of control during an emergency response. In addition, OES operates a leased administrative office building near the headquarters facility; a Coastal Region coordination center in Walnut Creek, Contra Costa County; a Southern Region coordination center located at Los Alamitos Air Field in Orange County; the California Specialized Training Institute at Camp San Luis Obispo; and various small field offices throughout the state.
The Public Safety Communications Office (PSCO) is comprised of a main leased complex in Sacramento and 45 field locations throughout the state. These locations include 9 area offices and 36 area shops, positioned geographically to facilitate maintenance and installation services to remote communication sites and customers throughout the state. In addition, the PSCO owns ten communications vaults/towers and maintains and operates a total of more than 3,500 radio frequency points of presence.