In 1952, the Cooke family established All-Guard Systems in the San Francisco Bay Area. Three generations later All-Guard remains family owned and operated. We understand the special concerns of Northern California families, schools, businesses and government agencies – because we live and work in the communities we serve. All-Guard offers a full range of security products and services and we specialize in working with our customers to build customized solutions. Our specialties are business and home security systems. All-Guard owns and operates our own UL Listed monitoring center in a secure campus facility in Livermore, California, providing you with the vital link between your security system and the appropriate emergency response agency.
Great service by Keith Thorne. Thanks for taking the extra time in reprogramming our zones
November 2025
Great service our technician Keith was outstanding, he was very responsive and knowledgeable .
October 2025
Greg and Dustin did an amazing job at both of our properties (110 units total). Very knowledgeable inspectors, I would absolutely recommend them. Explained any issues we had, and amazing customer service skills.
Thank you, All Guard for your prompt attention to our need.
