Signal 21 Security Systems, Inc. has proudly served Orange City and the surrounding communities since 1981. Conveniently located just east of Town Hall in historic downtown Orange City, FL 32774, we specialize in residential and commercial fire alarm systems, burglar alarm systems, and video surveillance solutions. We serve customers throughout Volusia, Lake, and Seminole Counties, providing expert installation as well as thorough inspections of existing security systems for homes and businesses.

What sets us apart is our personalized approach to security. Every system we design is tailored to your specific needs, never a one-size-fits-all package. We understand that both budget and protection matter, which is why we work closely with you to create a solution that delivers the right level of security and peace of mind. With decades of experience and a commitment to dependable service, Signal 21 Security Systems is a trusted local partner in protecting what matters most.