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At Sentry Alarm, our business philosophy is to make the extra effort in treating each customer like a part of the Sentry family. We do it right the first time, with our continuing commitment to training, the use of Honeywell equipment, and careful attention to detail.

Sentry Alarm Systems, a third-generation family-owned and operated service provider continues to be an industry recognized "Top 100 Security Company" due to our reputation of service the national chains can't touch and prices the locals can't beat. We plan to continue our phenomenal growth by building upon our foundation of integrity, competence, and family values.

Since 1971 we have steadily been building trust, and by doing so, our customers rest that much easier. Taking care of our customers in every way we can is what sets us apart. Our business and goal is your life safety and the safety of your possessions while you are away. Keeping this in mind, we follow the old-fashioned code of attention to detail. All of our employees are committed to the three D's of the alarm industry: To Deter, Detect, and Dispatch.


With offices in Monterey, Oakland, Portland, Sacramento and Sonora, we are a true "one stop" shop in meeting ALL of our client's life safety and private property protection needs throughout Northern California, Oregon, and Washington State. So, if your needs call for security alarm, fire alarm, fire sprinkler, video surveillance and/or access control systems or to provide you with code required inspections, 24 hour UL Listed monitoring, and/or servicing of an existing alarm system of ANY type... you can have true 24-hour Peace of Mind knowing that Sentry will do whatever it takes to meet ALL of your fire life safety and private property protection needs. 

That is our guarantee.

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