Bay Alarm offers commercial and residential security services monitored by local experts. Services include fire and burglar alarms, video monitoring, and access control.

“Time is of the essence, and working with Bay Alarm helps me save time because I’m not calling five different vendors just to manage the security for all of our properties.

By pairing cutting-edge security technology with dedicated local staff, we keep our customers safe. Bay Alarm is a third-generation family-owned company protecting more than 155,000 …

Contact resources for Bay Alarm customer service, sales, and careers with Bay Alarm, and the areas that we serve.

Secure your home with Bay Alarm residential security, featuring a touch screen keypad, door contacts, motion sensor, and smoke detectors.

San Francisco business security services from Bay Alarm help protect your property with alarms, live video monitoring, and access control.

Burglar alarms & monitoring Secure your sites with 24/7 monitoring, motion detectors, remote system arming, and more. Learn more

Burglar alarms & monitoring Secure your sites with cameras, locks, 24/7 monitoring, motion detectors, remote system arming and disarming, and more.

Inland Empire business security services from Bay Alarm help protect your property with alarms, live video monitoring, and access control.

Orange County business security services from Bay Alarm help protect your property with alarms, live video monitoring, access control, and expert local support.