Sentinel Security Systems

Securing You Since 1975

Phone Icon (760) 741-0890
(888) 741-0890
License No. C-10 #541177
ACO License No. #140

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About Us


Sentinel Security Systems has been in business for more than 40 years, providing complete security and fire protection services to clients throughout Southern California. Many of our clients have been with us for decades and have stayed with us through multiple relocations. We are proud of the fast, highly responsive service we provide. Our clients know that we are always here for them, and we work hard to meet and exceed their expectations every day. When you call us, a real person will answer the phone and take the time to ensure your needs are met.

Employee Installing Security System

Respect for Our Clients

As security system installation contractors, we often work in our clients' homes or sensitive business environments. We treat every property with respect and ensure each installation is perfect. Our technicians never leave wires hanging out or stapled to the ceiling. When our work is done, your security system will be seamlessly integrated into your building. Before we leave, we completely clean our worksite, leaving your property looking as good as new.

Active in the Community

As a local business, we are proud to be active members of our local community. We were founded in the San Diego area, and we are part of several regional and national associations, including:

  • Business Breakfast Club
  • San Diego Security Alarm Association
  • Electronic Security Association
  • California Security Association