Commercial Fire & Security
Three Generations of Security and Alarm Monitoring in New York.
With over 100 years of protecting New Yorkers, you could say that we know a thing or two about home and business security systems. Contact us today to get started.
Areas of Operation
Nassau County
Local Security System Supplier Expertise
From Garden City to Great Neck, homes and businesses across Nassau County depend on reliable security system supplier services to protect what matters most. Our 116 years of experience means you're working with experts who understand local building codes, permit requirements, and the unique security needs of established neighborhoods from Hempstead to the North Shore villages.
A security system supplier in Nassau County, NY handles everything from burglar alarms and CCTV camera systems to video doorbells and access control, ensuring your property stays monitored 24/7.
How We Work
We follow a clear process so you always know what's happening with your security setup.
Assess Your Needs
We evaluate your property layout, entry points, and Nassau County permit requirements to design a system that fits your space and budget.
Plan the Install
Our team schedules installation around your calendar and walks you through the exact process so nothing surprises you.
Install & Test
Professional technicians install cameras, alarms, and access controls. We run full tests to confirm everything works before you take over.
Ongoing Monitoring & Support
We handle 24/7 monitoring, regular maintenance checks, and repairs. You're never on your own managing the system.
You'll always know what's happening next—and when.
About Commercial Fire & Security
Commercial Fire & Security is a locally operated, family-owned company where security is our only business. We work and live in the communities we protect, and our Five Diamond, Certified Alarm Monitoring Center has your back 24 hours a day. Call us at 855-237-3300 to request a quote or speak with our experienced security professionals.