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
Suffolk County
Local Security System Supplier Expertise
Smithtown, Commack, and throughout Suffolk County trust our security system supplier and fire protection service expertise. We deliver comprehensive burglar alarms, CCTV cameras, video doorbells, and access control systems—plus 24/7 monitoring and rapid response. Our 116-year legacy means you get proven reliability for homes and businesses across the North Shore and beyond.
Whether you run a retail storefront in Lake Grove, manage a multi-unit building in Port Jefferson, or own a manufacturing facility near Hauppauge, your security needs are our priority. We install, monitor, and maintain systems that fit your building type and address Suffolk County permit requirements—so you can focus on your business.
How We Work
From initial assessment to ongoing monitoring, we guide you through a clear, no-surprise process.
Assess Your Space
We visit your Smithtown home or commercial property to understand entry points, vulnerable areas, and local security concerns—no pressure, just honest advice.
Design Your System
We design a custom system matching your budget, building type, and fire code requirements. Cameras, sensors, and alarms work together seamlessly.
Professional Installation
Our certified technicians install your system with minimal disruption, test every component, and walk you through operation and alerts.
24/7 Monitoring
Your alarm triggers our central station. We verify, alert authorities, and notify you—day or night, 365 days a year.
Regular Maintenance
We schedule annual inspections, battery checks, and system updates to keep everything reliable and compliant with local codes.
Rapid Repair Service
If something fails, we respond quickly. Same-day repairs available for Port Jefferson and surrounding areas.
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.