Activate Your New Bay Alarm Security System
The security system in your home or business is backed by Bay Alarm’s 75 years of security experience.
Read customer reviews to learn how Bay Alarm is securing homes & businesses in your area.
Bay Alarm has been the West Coast’s Leader in home & business security for 75 years.
As the new owner of a home or business with a previously installed Bay Alarm system, you are also the owner of an industry-leading security system, expertly installed by trained technicians. Hundreds of thousands of homeowners, business owners and property managers throughout the West Coast are secure in the knowledge that they are protected by Bay Alarm’s expertise.


Our alarm systems offer unparalleled flexibility— we can activate it as-is, or expand it to meet your needs.
You may not have the full information as to the features and security devices included in your Bay Alarm security system. When we send an expert technician to your home or business, he or she will evaluate your system and can provide you with complete details about how it works.
You can then choose to have your system reactivated as-is, or we’ll work with you to identify the upgrades best suited to meet your needs. Below are just a few of the upgrades we can integrate into your home's or business' existing Bay Alarm system.
Your Bay Alarm system makes you a member of a family that’s been growing for 75 years.
Bay Alarm is committed to developing and growing strong customer relationships, backed by expertise and service that is second to none. No other security company boasts the decades of experience that we can.
Your alarm system will be backed by technicians and staff who live and work in your local community, and who are professionally and personally invested in your safety.



Choose Bay Alarm for Your Home & Business
Just fill out the form, and Bay Alarm’s experts will be in touch to explain how you can realize the full benefits of your existing system. Your system’s already installed—let us flip the switch.