Cutting-edge alarm system and security company as well as fire alarm, fire sprinkler, access control and monitoring. Nationally renowned. Sentry Alarm brings security and peace to work and home in Monterey County, Portland Oregon, Sonora California and more.

Protect What Matters with Sentry Alarm Systems

Looking for trusted Security System Supplier services in Sonora? Sentry Alarm Systems is your local expert for alarms, surveillance, access control, and more. Whether you're securing your home or business, get help from pros who know how to keep you safe. Fast. Simple. No pressure.

Fast. Easy. Hassle-Free.

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Expert Security Tips & Insights

Discover guides and advice from industry pros
to help you secure your home, business, and peace of mind.

How to Make Smart Home Tech Work for You (Not Against You)

June 26th, 2025

About Sentry Alarm Systems

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Protect What Matters with Sentry Alarm Systems

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How to Make Smart Home Tech Work for You (Not Against You)

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