Established in 1989, All Island Security Inc. has become Long Island’s premier alarm company among all of the Long Island alarm companies for the custom installation and servicing of security systems.

With thousands of satisfied customers on Long Island and Queens, we take pride in making customer service our top priority. Our factory-trained technicians strive to assure that the quality of the security system installation will exceed your expectations.

Our 24 Hour Monitoring Center is approved by Underwriters Laboratories (UL) and is located in Nassau County on Long Island in New York. It has been custom designed and constructed to meet rigid professional standards enabling us to achieve the highest recognition in our industry – a 5 Diamond Certification by the Central Station Alarm Association. The facility has its own backup power source and independent communications systems. We have three fully operational computer systems, each with its own UPS (Uninterrupted Power Supply). We also have an off-site redundant backup system in Michigan to further protect our customers.

Our Services:

• Alarm Systems
• Security System Keypads
• Alarm System Monitoring
• Switch Over to All Island
• Home Security Mobile App