- ALARM SYSTEMS. 24/7 MONITORING. PEACE OF MIND.
24/7 Alarm Security Services in Los Angeles
Our surveillance facility monitors security systems 24/7, verifying alarms, tracking camera feeds, and managing access events, while clients maintain real-time remote control over their property.
24/7 Security Cameras
Active Monitoring
Smart Control
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- U.S BASED
24/7 Human Customer Service
Homes and businesses operate on patterns. Effective security accounts for those patterns rather than relying on static configurations or isolated devices. CSI Security designs systems that remain responsive around the clock, support remote access, and adapt through proactive maintenance rather than reactive fixes.
- Continuous 24/7 Support With Monitored System Oversight
- Remote Access To Alarms, Cameras & System Status
- Customized Configurations Based On Property Behavior
- Proactive Maintenance To Prevent System Degradation
- Unified Platforms That Reduce Fragmented Alerts
























- Multi-Layered Security
Structured Surveillance Systems Installed
Security works when multiple systems confirm what is happening instead of acting independently. Detection, verification, and response must overlap to reduce false triggers while preserving speed.
Layers Reduce Guesswork, Not Awareness
Layers Reduce Guesswork, Not Awareness
Detection Logic
Sensors, cameras, and environmental monitors identify abnormal activity based on placement logic rather than blanket coverage.
Verification Flow
Video, access data, and alarm signals cross-validate activity to determine whether escalation is required.
Response Control
Monitoring teams follow defined protocols that trigger notifications, dispatch, or patrol response without hesitation.
- Services We Provide
Security Systems Designed For Remote Access
Security infrastructure must remain usable long after installation. Every service is designed with visibility, control, and operational continuity in mind.
Home Security Systems
Residential protection emphasizes real-time alerts, mobile visibility, and consistent performance across entry points, interior zones, and outdoor areas.
Commercial Security Systems
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.
24/7 Alarm Monitoring
Professional monitoring ensures alarms are observed continuously, evaluated accurately, and escalated using structured response logic.
Fire & Burglar Alarm Systems
Fire detection and intrusion alerts operate within a unified monitoring framework to avoid conflicting responses during emergencies.
Smart Alarm Integration
Smart integrations enable remote access while preserving signal integrity and response reliability.
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- Security Threats Detected
24/7 Security Monitoring
Video surveillance 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.
In Los Angeles properties where mixed-use spaces and extended operating hours are common, visibility and remote control are often more valuable than alarms alone.
- why choose us
CSI Security as your Partner
Protection should not degrade quietly or depend on constant manual oversight.
Continuous Monitoring
Systems are continuously monitored rather than relying on periodic checks.
Coordinated Response
Monitoring teams, alerts, and patrol units operate under one response framework.
Remote Control
Users access cameras, alarms, and system status from anywhere.
Preventive Care
Proactive maintenance identifies signal loss and device failure early.
Home Security Systems
Commercial Security Systems
Alarm Installation
24/7 Alarm Monitoring
Fire & Burglar Alarm Systems
Smart Alarm Integration
Home Security Systems
Commercial Security Systems
Alarm Installation
24/7 Alarm Monitoring
Fire & Burglar Alarm Systems
Smart Alarm Integration
- Testimonials
What People Say About CSI Security
EXCELLENT Based on 100 reviews Posted on Google David GuyetteTrustindex verifies that the original source of the review is Google. Fast response time to fix control panelPosted on Google Allison SampsonTrustindex verifies that the original source of the review is Google. On time Professional PositivePosted on Google Pamela ThompsonTrustindex verifies that the original source of the review is Google. We had a problem with one of our smoke/CO alarms and Erix, the CSI technician, fixed it the same day the problem started. He was just terrific, not only in fixing the problem, but in explaining the cause and future prevention. He was polite and a delight to work with. I highly recommend CSI and their staff.Posted on Google Keith BillingtonTrustindex verifies that the original source of the review is Google. I want to thank in particular Annette @ CSI Security for going beyond the call of duty in helping me to figure out the issue I was having with my security/alarm system. She was extremely patient with me in diagnosing the problem and quickly returned my multiple texts asking numerous questions. I am glad Annette picked up my initial call to CSI Security.Posted on Google Mary Ellen WoodTrustindex verifies that the original source of the review is Google. Erix went over and above to solve our sensor’s problems. Good worker, neat and respectful. Love CSI. They have always taken good care of us. Erix is no exception.Posted on Google Pegi MedioniTrustindex verifies that the original source of the review is Google. Our technician Erix Korby was amazing . He worked quietly fast and knew exactly what he was doing . He as kind and very curious .Posted on Google Megan DahlmanTrustindex verifies that the original source of the review is Google. Al and his team are incredible. They are prompt and provide excellent solutions. They are monitoring our business 24/7.Posted on Google Sylvia PerezTrustindex verifies that the original source of the review is Google. CSI is one of the best always very professional, response to any problem promptly they are just greatPosted on Google Ira BorenTrustindex verifies that the original source of the review is Google. CSI took over a system on a new house that I built in Pacific Palisades. That original system was installed very poorly by another company and constantly malfunctioned. Al and his team at CSI took it over. They went through the house and slowly corrected all of the problems. Unfortunately that house was lost in the fires. I moved into another house that didn't have an alarm. CSI installed a new system there. They don't try to upsell you with things that you don't need. Their pricing is reasonable, their staff is prompt, very pleasant and trustworthy. I highly recommend this company.Posted on Google Chaim ShaouatTrustindex verifies that the original source of the review is Google. Fantastic experience. Oscar did a clean, efficient install and made sure we understood every feature. Super friendly and trustworthy—couldn’t ask for better!
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.