About us

Sentry Security Systems, ADT Authorized Dealer, was established in 2000. We have more than 25 years of experience in the security industry. It is a locally owned and operated business that serves various northern California counties. When you call Sentry Security Systems for free estimates, we are very prompt in setting appointments and going to your home for the FREE home evaluation.

At Sentry Security Systems, ADT Authorized Dealer, we are committed to helping you make an informed decision about your home security needs. Our sales agents and staff are excellent in ensuring a smooth and efficient experience from start to finish. We have partnered with ADT Security Services as an Authorized Dealer because they are the leader in the home security industry.

Our sophisticated support network handles millions of signals every year in real time, which provides a great advantage over other companies with a single monitoring center. By installing through Sentry Security Systems, ADT Authorized Dealer you will get security from a network of inter-connected command centers that are strategically located throughout the United States. This network provides you with 24-hour service and will eliminate any interruptions.

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Our Sacramento office has sales agents in the following counties:

  • Alameda
  • Amador
  • Colusa
  • El Dorado
  • Marin
  • Merced
  • Placer
  • Sacramento
  • San Joaquín
  • Solano
  • Stanislaus
  • Sutter
  • Yolo
  • Yuba

WHO USES ADT SECURITY SYSTEMS?

ADT is America’s No. 1 choice for residential and commercial alarm installations. Of all the Fortune 500 companies, 90 percent rely on ADT for their security needs.

Locally, Sentry Security Systems, ADT Authorized Dealer, has provided its expertise in installing ideal security systems in a variety of residential and commercial settings. We have provided peace of mind for many residential homes, businesses from small shops to large commercial warehouses.