Benefit From Our 70 Years of Experience Securing Homes and Businesses in California


Our employees average 
10 years with Bay Alarm which means they’re specialists who know how to serve you

All our employees are background checked, licensed by the state of California, and always carry their badge so you know they’re who they say they are

We focus on customers who live within a one-hour drive from a local branch, ensuring we can get to their homes quickly

Many of our employees receive over 2,000 hours of training at Bay Alarm so they know our products and services, inside and out

Our Story

Founded in 1946, Bay Alarm focuses on serving the home and business security needs of Californians like you in the Bay Area. That makes us different from other home and business security companies. It means we know the security needs of neighborhoods like yours. Our staff members receive significant training to serve you and your community. We’re dedicated to working with the organizations that keep you informed and protected. And we guarantee that our products, workmanship and services always exceed your expectations. All of which gives you the peace of mind you want and the service you deserve.


The Bay Alarm Technician Difference



Safe, secure neighborhoods happen when communities build programs that empower, educate, and improve quality of life for those who live and work there. That’s why we support charities and organizations that benefit communities like yours.

Community and Philanthropy

Beach Cleanup with our Carson Branch Team


Bay Alarm is proud of its affiliations and associations with organizations committed to keeping you safe and secure.

Law Enforcement Agencies

  • Contra Costa County Sheriff’s Department
  • Contra Costa County Law Enforcement Training Center (LETC)

Alarm Industry Organizations

  • American Fire Sprinkler Association (AFSA)
  • Central Station Alarm Association (CSAA)
  • Electronic Security Association (ESA)
  • Factory Mutual Approvals (FM)
  • National Systems Contractors Association (NSCA)
  • Underwriters Laboratories Listed (UL)
  • Western Burglar and Fire Alarm Association Unilateral Apprenticeship Training Committee (WBFAA)

Burglar Alarm Associations

  • California Alarm Association (CAA)
  • NetOne
  • Local Area Alarm Associations

Fire Alarm Associations

  • Automatic Fire Alarm Association (AFAA)
  • California Automatic Fire Alarm Association (CAFAA)

Balco Properties

Balco Properties Ltd., LLC was formed in 1976 by the principals of Bay Alarm Company. Since its inception, Balco has taken an owner-managed approach, making sure customers have access to great property and first-class property management.

Fire Department Organizations

  • Northern California Fire Prevention Association (NorCal FPO)
  • Southern California Fire Prevention Association (SoCal FPO)

What are the benefits of having a monitored burglar/fire system?

Our Monitoring Center is right here in California, staffed with industry-leading, highly-trained professionals who can dispatch the proper authorities with efficiency and urgency. We are also UL-listed and Five Diamond Certified. We can even help identify and prevent false alarms, saving you the trouble of irritated neighbors or possible false alarm fees.

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Why can't I buy a system over the phone or online?

Security systems shouldn’t be one size 
fits all. That’s why we insist on sending 
one of our security experts to your property instead of just showing up to install. 
This way you end up with a customized security system that suits you and your property’s needs.

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Can I arm and disarm my system from my smartphone or tablet?

Yes, you can! We offer a service called Total Connect that connects a free app for your mobile device.

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