Benefit From Our Experience Securing Homes and Businesses For More Than 70 Years

Unmatched Employee Standards

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

Employee Background Checks

All our employees are background checked, fully licensed, and always carry their badge so you know they’re who they say they are.

Local Sales and Service

In most cases, our branch technicians are no more than a one-hour drive from our customers, so we can respond quickly to service issues.

Highly Trained Employees

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 is a family-run, locally-operated company with security our one and only business. It's also our passion. We live and work in the communities we protect. That makes us different from many security companies. We know the needs of neighborhoods like yours. We’re dedicated to working with community 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 deserve.


The Bay Alarm Technician Difference


Learn More About Bay Alarm

Now in its third generation, Bay Alarm is the largest independently owned security company in the nation. Watch this interview with the current generation of the Westphal family to learn more about Bay Alarm's roots and commitment to building community.


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)
  • The Monitoring Association (TMA)
  • 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 alarm system?

Our Monitoring Center is staffed with our own industry-leading, highly-trained professionals who can dispatch the proper authorities within seconds of an emergency. 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 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 Bay Alarm Connect™ (formerly Total Connect) that connects a free app for your mobile device.
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