CSI Security

CSI Security is a UL-listed security and fire alarm company that has been serving Los Angeles for over 40 years. We specialize in residential and commercial alarm systems, video surveillance, access control, and fire/life safety solutions. Our team is dedicated to designing, installing, and monitoring state-of-the-art systems.

We offer 24/7 local UL monitoring, same-day service, and seamless integration with mobile apps for remote control and real-time alerts. Our clientele ranges from luxury estates and homeowners associations to jewelers, restaurants, and multi-building campuses. We pride ourselves on delivering customized security solutions backed by exceptional client support