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D E A Security Systems Co., Inc. Owner verified
870 Old County Road Belmont, CA, 94002Last time updated: 12/20/25, 3:00 AM
About
DEA Security Systems provides professional commercial, residential, and enterprise security solutions throughout the San Francisco Bay Area. Our services include intrusion alarm systems, UL-listed fire alarm installations & certifications, access control systems, AI-powered video surveillance, perimeter protection, intercom and multi-tenant access systems, gate entry solutions, and UL central station monitoring. We also offer Alarm.com smart security integration, guard response coordination, and advanced Shooter Detection System technology. Serving the SF Bay Area since 1983, DEA delivers trusted, reliable, and custom-designed security systems for homes and businesses.
Extra info
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Executive Residential Security Integration and Support
Customer Satisfaction - System Integration
Commercial and Residential CCTV, Access Control, Perimeter Detection Systems
Structured Cable
Security - Access - Video Surveillance - Fire Alarm Systems
Custom Solutions - System Integration
Call us First...
Commercial Security - Card Access - Video Surveillance
New Construction - Custom Solutions
Remote Access
Smart Phone Access
Commercial Security
http://www.alarm.com/US/deasecuritysystems
http://deasecuritysystems.videofied.com/
http://www.interlogix.com/
http://www.Pelco.com
Honeywell Security
http://www.elkproducts.com/
http://www.firelite.com/en-US/Pages/default.aspx
24 Hour UL Central Station Monitoring Services
Access Systems
System Integration
Keeping You Connected
Personalized Service - 24 hours a day - 365 a year
Personal Emergency Response System
Alert Pendant with 2 way voice
Protection throughout the interior and exterior of your residence
Feeling safe and secure
Use your Apple Watch to arm your DEA Security System
Videos
Frequently Asked Questions
What associations does D E A Security Systems Co., Inc. have?
Electronic Security Association, American Society for Industrial Security, California Alarm Association, National Fire Protection Association, Golden Gate Alarm Association.
When was D E A Security Systems Co., Inc. founded?
D E A Security Systems Co., Inc. was founded in 1983.
Which days is D E A Security Systems Co., Inc. open?
Open on Monday, Tuesday, Wednesday, Friday.
What are D E A Security Systems Co., Inc. specialties?
Shooter Detection Systems.
What brands does D E A Security Systems Co., Inc. work with?
Alarm.com, Axis, Honeywell, Open Eye, Digital Watch Dog, ELK, Lenel/S2, Cellgate, Exacq, Qolsys.
What are D E A Security Systems Co., Inc. main products?
Security Alarms, Fire Alarms, Access Systems, Surveillance Systems, Multi-Family Access Systems, Burglary Alarm Systems, Wireless Security, Perimeter Security, Intrusion, CCTV.
What are D E A Security Systems Co., Inc. main services?
UL Central Station Monitoring, Alarm.com.
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