Since 1983, ACS Home Security has been the premier residential alarm and patrol service for the West Side of Los Angeles. Loc ... ated in Bel Air, we work in concert with the Bel Air Homeowner Association and protect over 17,000 homes along Sunset Blvd from the Hollywood Hills to the Pacific Coast Highway, including Malibu, Pacific Palisades, and San Fernando Valley areas. We offer a wide variety of services including, state of the art security technology, monitoring, armed patrol and response, vacation watch and much, much more. In today’s uncertain world we feel it is our mission and honor to provide world-class security solutions for your family and businesses. read more