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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 6 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 today and get 10% off your new smart security system!
Special Business Security Offer: Sign up and receive one month of free monitoring!
About DEA Security Systems Co., Inc.
Since 1983, DEA Security Systems has been a trusted name in security. Our locally owned and operated company delivers custom protection solutions for families, homes, and businesses. With state-of-the-art technology and training, we specialize in fully integrated solutions and have completed thousands of professional installations. Our commitment to excellence is reflected in our premium systems and exemplary customer service. Contact us for a superior experience.
870 Old County Road, PO Box 828 Belmont | CA | 94002