Intrusion Alarm Systems Installation in Nassau County, NY
Professional intrusion and burglar alarm systems for homes and businesses — expertly installed with 24/7 monitoring and instant alerts since 1982.
(877)-277-7122
40+ Years of Trusted Service
Licensed & Experienced Technicians
Serving Nassau County & Long Island
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Expert Intrusion Alarm Systems Installation You Can Trust
At Cisco Fire Systems, we specialize in professional intrusion alarm system (burglar alarm) installation throughout Nassau County, NY. Whether you need perimeter protection for your home or advanced security for your office, school, retail store, or medical facility, our licensed technicians deliver reliable, state-of-the-art intrusion detection systems with instant alerts and 24/7 monitoring.
With over 44 years of local experience, we install systems that integrate seamlessly with your fire alarms, CCTV, access control, and video intercoms — giving you complete protection against intrusion and unauthorized entry.
What We Offer in Intrusion Alarm Systems
Commercial Intrusion Alarm Systems
Residential Intrusion Alarms
Advanced Detection Technology
24/7 Professional Monitoring & Alerts
Need Custom System Integration?
Don’t see exactly what you need? Our licensed specialists in security architectures that integrate disparate fire, voice, and data systems into one central management console.
Why Nassau County Chooses Cisco for Intrusion Alarm Systems
Local Family-Owned Expertise
Seamless System Integration
Instant Alerts & 24/7 Monitoring
Customized & Scalable Solutions
Fast Professional Installation
Advanced Intrusion Alarm Features You’ll Benefit From
- Door and window contacts for perimeter protection
- Motion sensors with pet-immune options
- Glass-break detectors for added security
- Instant smartphone push notifications
- Battery backup and cellular backup for reliability during power outages
Our Simple 4-Step Intrusion Alarm Systems Installation Process
Free Site Survey
Custom Design & Quote
Professional Installation
Testing, Training & Ongoing Support
Rapid Response Guaranteed
When every second counts, Cisco Fire Systems is already on the way.
Our UL-listed monitoring station verifies every alarm instantly and dispatches help immediately. Local technicians + direct communication with first responders = the fastest response times on Long Island.
- Immediate dispatch to fire, intrusion, or security alarms
- Direct communication with local first responders
- Available 365 days a year — nights, weekends, and holidays
WE KEEP YOU SAFE — Day and Night
Ready for Professional Intrusion Alarm Systems Installation in Nassau County?
Protect your property from intrusion. Get a free site survey today and let our experts design and install the perfect intrusion alarm system for your home or business.