D E A Security Systems Co., Inc.
Certified by D E A Security Systems Co., Inc. • Feb 08, 2026
Business Details
870 Old County Road, Belmont, CA
94002, United States
Certified by D E A Security Systems Co., Inc. • Feb 08, 2026
(650) 508-0199
Certified by D E A Security Systems Co., Inc. • Feb 08, 2026
https://deasecuritysystems.com/residential/
Certified by D E A Security Systems Co., Inc. • Feb 08, 2026
About
Certified by D E A Security Systems Co., Inc. • Feb 08, 2026
Security ServiceHome Theater StoreTV & Video EquipmentVideo Surveillance EquipmentAccess Control SystemChild Monitoring ProductsHome Improvement ContractorCabling ContractorFire Protection Equipment SupplierVideo Equipment and ServicesFire & Water Damage Restoration
DEA Security Systems provides professional high-end residential, commercial, and enterprise security solutions throughout the San Francisco Bay Area. Our services include intrusion alarm systems; UL-certified fire alarm system design, installation, testing, inspection, and certification; access control and multi-tenant entry systems; AI-powered video surveillance; perimeter protection; intercom and 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 Bay Area since 1983, DEA Security Systems delivers trusted, discreet, and custom-designed security solutions for luxury residences and businesses.
Location
Certified by D E A Security Systems Co., Inc. • Feb 08, 2026
D E A Security Systems Co., Inc.
870 Old County Road, Belmont, CA
94002, United States
Hours
Certified by D E A Security Systems Co., Inc. • Feb 08, 2026
Reviews
Frequently Asked Questions About D E A Security Systems Co., Inc.
What types of security systems does D E A Security Systems Co., Inc. provide?
They offer commercial, residential, and enterprise security alarm, fire alarm, access control, surveillance, and shooter detection systems.
What are the regular business hours for D E A Security Systems Co., Inc.?
They are open Monday through Friday from 8:00 AM to 5:00 PM and closed on weekends.
Does D E A Security Systems offer emergency or after-hours service?
Yes, they provide 24-hour emergency service and after-hour service appointments.
Which security brands does D E A Security Systems Co., Inc. work with?
They work with brands such as Alarm.com, Axis, Honeywell, Open Eye, Digital Watch Dog, ELK, Lenel/S2, Cellgate, Exacq, and Qolsys.
How can I contact D E A Security Systems Co., Inc.?
You can reach them by phone at +1 650-508-0199 or via email at sales@deasecuritysystems.com, service@deasecuritysystems.com, or info@deasecuritysystems.com.
What payment options are accepted by D E A Security Systems Co., Inc.?
They accept American Express, Discover, Mastercard, Visa, checks, financing, invoices, and Zelle payments.
What professional associations is D E A Security Systems Co., Inc. a member of?
They are members of the Electronic Security Association, American Society for Industrial Security, California Alarm Association, National Fire Protection Association, and Golden Gate Alarm Association.
How can I visit D E A Security Systems Co., Inc. using public transit?
You can use the nearby Belmont Caltrain Station or CALTRAIN Belmont station to reach the business area conveniently by train.
Are there local dining options near D E A Security Systems Co., Inc. for customers?
Yes, customers can enjoy nearby restaurants and bars such as ECR Pub, saucebelly, Ausiellos Tavern, and McGraw's Bar and Grill before or after visiting.
What nearby services could be useful for customers visiting D E A Security Systems Co., Inc.?
Nearby businesses include The Cats' Inn for pet sitting, Grace Day Spa for relaxation, The UPS Store for shipping needs, and Belmont Hardware for home improvement supplies.
Brand Certified Facts from D E A Security Systems Co., Inc.
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Certified February 08, 2026Yext Knowledge Graph
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