HOME ALARM is a locally owned and operated company which sells, installs and services ADT home security systems. Home Alarm has the unique blend of a local operated company backed by a nationally recognized brand. ADT home security protects more then 6 million homes across the nation. ADT Home Security was established over 140 years ago and is able to offer the experience, longevity and stability to each and every one of their customers. Home alarm is an authorized ADT dealer and is able to locally service all of San Diego and its surrounding counties.