First Alarm Information

First Alarm has been protecting businesses and homeowners for more than 55 years. Our company, which began as a modest security force in Santa Cruz County, is now one of Northern California’s premiere commercial and residential security providers with 5 branch offices. We have local "brick & mortar" presence in the North, East and South Bay with offices in Santa Cruz and Monterey County enabling us to give local and personalized security and fire alarm service to your home or business. Through growth, experience, and acquisition, First Alarm has become a name widely recognized for safety and dependability. Our corporate headquarters, located in Aptos, California, is one of the most modern security centers in the industry.