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Find 21 Security Systems & Service Providers You Can Count On in California

Browse services and customer feedback for 21 security providers across California, including Riverside, Los Angeles and San Diego. Review business profiles, see who offers the protection solutions you need and contact suitable companies for details or estimates.
Claremont (1)
Fountain Valley (1)
Huntington Beach (1)
Irvine (1)
Los Angeles (3)
Modesto (1)
Oakland (1)
Riverside (4)
Sacramento (1)
San Diego (3)
San Jose (2)
Santa Ana (1)
Santa Rosa (1)
9 reviews
Big Bear Safe
Open 24/7
9 reviews
Satisfaction Guarantee
We want to build high quality products but we also want to offer our customers with products that are innovative, stylish, and packed with cutting edge technologies. Pursuit of innovation is rooted deeply...
(714) 841-0141 Call Profile
Not rated yet
Tek Wire
Not rated yet
Security Systems, Home Network Installation
(818) 794-0828 Call Profile
4 reviews
Advanced Security Systems
50+ Years
Emergency
4 reviews
We offer over 50 years of experience protecting homes and businesses across Northern California & Southern Oregon.
Since 1971, Advanced Security Systems has offered cutting-edge residential and commercial security solutions with 24/7 local monitoring, surveillance systems, and emergency response. Serving Northern California & Southern Oregon.
Residential Security Commercial Security Home Automation
(707) 544-9200 Call Profile
4 reviews
American Alarm Systems
50+ Years
Emergency
4 reviews
We have over 65 years of experience in security solutions tailored to Southern California's unique needs.
Protect your home or business with American Alarm Systems' advanced security solutions in Southern California. Offering 24/7 monitoring, fire systems, and smart home automation since 1958.
Security Systems Access Control Fire Systems
(800) 262-5276 Call Profile
4 reviews
CVA Security
4 reviews
We have over 50 years of combined security experience.
We provide San Diegos reliable security systemscameras and 24/7 monitoringbacked by over 50 years of expertise and BBBaccredited installation.
Smart Automation Cloud Surveillance AI Detection
(619) 585-9111 Call Profile
3 reviews
CLS Security Electronics
33 Years
Emergency
3 reviews
We have 60+ years of combined experience installing security systems
Trusted San Diego security systems provider since 1993. CLS Security Electronics offers custom security alarms, fire protection, video surveillance, and entertainment systems with 24/7 UL monitoring.
Security Alarms Fire Alarm Systems Video Surveillance
(858) 654-2788 Call Profile
2 reviews
Sterling Security
2 reviews
We have provided superior service since our establishment in 1996.
Experience peace of mind with Sterling Security's custom-designed alarm and surveillance systems in West LA, featuring green practices and 24/7 redundant monitoring.
Custom Security Systems Alarm Monitoring Remote System Management
(310) 313-4633 Call Profile
2 reviews
Crime Alert Security
Emergency
2 reviews
We have over 30 years of experience in security system design and implementation
Crime Alert Security delivers advanced AI monitoring, UL-certified alarms, and customized security solutions for businesses nationwide. With 30+ years of experience, we protect commercial properties, car dealerships, and regulated industries.
Live Video Monitoring Security Cameras UL-Certified Alarms
(916) 489-8068 Call Profile
7 reviews
Alarms Unlimited
50+ Years
Emergency
7 reviews
Our 24/7 local monitoring center provides faster response times than national corporations
Alarms Unlimited offers 24/7 security solutions for homes and businesses in San Diego. Specializing in alarm systems, fire protection, and video surveillance since 1974, we deliver personalized service with local monitoring.
Residential Security Commercial Security Enterprise Security
(619) 297-4500 Call Profile
4 reviews
HighCom Security Services
29 Years
4 reviews
Over 25 years of military and law enforcement derived security expertise
Trusted provider of executive protection, security systems, and threat prevention training. Over 25 years serving Oakland and Bay Area clients with customized security solutions.
Executive Protection Security Systems Threat Assessment
(510) 893-7600 Call Profile