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Call Now!   (904) 388-3975

Residential Alarm Systems

installed from $480.00


Commercial Alarm Systems

installed from $599.00


Warehouse Surveillance Systems

installed from $699.00


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Access Control Systems

St Augustine Security Systems
& Fire Alarm Company

ESI, Emergency Systems, Inc., is a locally owned and operated commercial security and high-end residential alarm company serving all of St. Johns County since 1979. We are a one-stop-shop for security alarms including burglar, fire, smoke, water, sprinkler systems, forensic marking, silent and panic alarms. ESI is a security alarm company specializing in custom security solutions for home, office, government, military installations, industrial and warehousing properties. ESI only provides commercial-grade security products, developed and manufactured by the world's most advanced security companies. We pride ourselves in creating affordable and durable security solutions. Wireless communication at the touch of a button from any cellular device anywhere in the world. For planning and executing custom solutions to your facility risk concerns, ESI is here every step of the way to make your job easier, more efficient and cost effective. We make offices, businesses, and homes safe, secure and comfortable living and working environments.





To Speak With One of Our Professional Specialists, Call (904) 388-3975

St Augustine's Premier Security Company

At ESI, Emergency Systems Inc., we specialize in all types of security products for your home, office, and business. We are available 24 hours/ 7 days a week to ensure your family and businesses are safe and always protected. We have a professionally staffed local monitoring center that has the most up-to-date equipment to handle any breach of security, from theft, intrusion, fire, smoke, water, motion detection, and video surveillance. With over 40 years of continuous service, we have designed, installed, repaired, and replaced every kind of commercial-grade security apparatus imaginable. We specialize in offering free, onsite consultations by highly skilled security technicians equipped with the most up-to-date training available from the world’s leading security manufacturers. Commercial grade security components are made to endure the most rigorous field use both for indoor and outdoor applications. We custom design every security system for their unique application.  We field-test every security component that makes up your unique security shield. If you are looking for a replacement or new security system installation in St. Augustine and the surrounding areas of St. Augustine Beach, Vilano Beach, South Ponte Vedra Beach, St. Johns, and Nocatee give us a call at 904-388-3975. We also install, repair, and replace video surveillance cameras and CCTV’s, provide cellular boosting products, mobile video motion detectors/Videofied, and Forensic Marking Solutions for Brick and Mortar structures. ESI is an award-winning custom security solution company with 1000’s of satisfied customers.

Years of
of customers


We service thousands of homes and businesses throughout all of Northeast Florida including St. Johns County, Flagler County, Nassau County, Clay County, Putnam County and Duval County. Learn why our commercial and high-end residential customers have rated us as one of the best security companies in Northeast Florida for over 30 years.


Additional Products & Services

  • Fence & Perimeters

  • Videofied

  • Service & Repair

  • Electric Gates

  • Personal Emergency Alert

  • Silent Holdup & Panic Alarms

  • SureCall Cellular Boosting

  • Monitoring

  • IP-Internet Monitoring