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Our system operates using a dedicated cellular connection, so your property remains secure even if the phone line is cut, the power is out, or the Internet is down.
Arm and disarm your system from anywhere, check your system’s status, and get notified of activity at your property using our powerful smarter security app.
Get peace of mind with 24/7 professional monitoring and technology powered by Alarm.com — the platform trusted by over 5 million people to protect their homes and businesses.
Easily set rules so your property responds automatically in an emergency to keep you safe. Receive a notification if you forget to arm your system and always know if an alarm is triggered. We even send life-saving alerts to residents in the path of weather-related danger.
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Special Home Security Offer: Sign up and receive one month of free monitoring!
Special Business Security Offer: Sign up and receive one month of free monitoring!
About DEA Security Systems Co., Inc.
Since 1983, locally owned and operated DEA Security Systems utilizes its extensive experience, technology and up to date training to design, install, and maintain customized solutions for protecting families, homes, and businesses. As system integrators' we are experts in fully integrated solutions for homes and businesses. With thousands of professional installations, we understand the importance of installing premium systems and providing exemplary customer service. CALL US FIRST!
870 Old County Road, PO Box 828 Belmont | CA | 94002