Hi Desert Alarm has been serving the communities of Victorville, Hesperia, Apple Valley, and Barstow since 1967. Commercial, Industrial & Residential security systems design, installation, alarm monitoring and support are just the beginning. At Hi Desert Alarm, we pride ourselves on customer service. We are locally owned and operated in Victorville, CA allowing us to provide rapid response and unparalleled customer service that you will not get with nationwide companies.