- 44+ years of alarm/security experience
Los Angeles Security Alarm Systems & 24/7 Monitoring
CSI Security provides professional security alarm installation, UL-listed monitoring, remote video monitoring, access control, and insurance-required fire alarm monitoring throughout Los Angeles County.
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- Los Angeles Based
24/7 Los Angeles-Based Customer Support
- 24/7 UL-Listed Monitoring & Los Angeles-Based Support
- Remote Access To Alarms, Cameras & System Status
- Customized Security Systems For Homes & Businesses
- Local Service, Maintenance & Technical Support
- Remote Access & Instant Notifications
Licensed - Bonded - Insured
- Remote video monitoring
Remote Video Monitoring & Alarm Verification
Mobile access through Alarm.com
Mobile access through Alarm.com
Alarm Signal Verification
Alarm signals are reviewed and processed in accordance with established procedures to reduce false alarms and improve communication.
Prompt Alarm Notification
Alarm signals are transmitted quickly to our monitoring center, helping ensure timely notification of designated contacts and emergency services when required.
Reduced false alarms
Advanced verification methods help reduce false alarms, improve communication, and minimize unnecessary dispatch requests.
- Services We Provide
Security Systems With Remote Access & 24/7 Monitoring
Residential Security Systems & Monitoring
Residential protection emphasizes real-time alerts, mobile visibility, and consistent performance across entry points, interior zones, and outdoor areas.
Commercial Security Systems & UL Monitoring
Business systems separate public access, employee movement, and restricted zones while maintaining centralized monitoring and reporting.
Alarm Installation
Installation includes placement validation, communication testing, and live monitoring confirmation before systems are activated.
UL-Listed 24/7 Alarm Monitoring
Professional monitoring ensures alarms are observed continuously, evaluated accurately, and escalated using structured response logic.
Fire & Burglar Alarm Systems
Smart Alarm Integration
Control your security system from anywhere using the Alarm mobile app. Arm, disarm, receive alerts, and view activity in real time.
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- Security Threats Detected
24/7 Security Monitoring
Video Monitoring allows owners and managers to verify activity in real time, whether checking a storefront after hours or reviewing movement inside a facility during off-peak periods.
Access control systems define who enters, when access occurs, and where restrictions apply, reducing internal risk while maintaining operational flow. Energy and hazard monitoring extend protection beyond intrusion by identifying environmental risks before damage escalates.
- why choose us
CSI Security as your Partner
Continuous Monitoring
Professional operators monitor alarm signals 24/7 and respond quickly when emergencies occur.
Coordinated Response
Alarm verification helps reduce false alarms and improves emergency response times.
Remote Control
Arm and disarm your system, view cameras, receive alerts, and manage users from anywhere using the Alarm.com app.
Preventive Care
Our team helps identify communication issues and system problems before they affect monitoring performance.
Serving Los Angeles Since 1982
44+ Years Experience
UL Central Station Monitoring
24/7 Los Angeles-Based Customer Support
Same-Day Service Available
Insurance-Required Fire Alarm Monitoring
4.9 Star Rating
- Testimonials
Trusted by Los Angeles Homeowners & Businesses Since 1982
Frequently asked questions
Our fully integrated security systems keep you in control anytime you want with remote access.
Professional monitoring ensures alarms are actively observed, evaluated, and escalated even when property owners are unavailable, reducing response delays caused by missed alerts or device limitations.
Live and recorded video allows immediate verification of activity, helping determine whether alerts require escalation while supporting investigations and operational oversight.
Access control limits entry based on time, role, and location, creating accountability while preventing unauthorized movement without disrupting daily operations.
Over time, sensors, batteries, and communication links degrade. Proactive maintenance identifies failures before alerts are missed or false alarms increase.
Integrated hazard monitoring detects carbon monoxide levels, water leaks, and flooding conditions, expanding protection beyond theft or intrusion.
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Get 24/7 Surveillance in Los Angeles With CSI Security
Control, monitoring, and response should remain accessible at all times.
