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
Westchester County
Local Security System Supplier Expertise
Across Purchase, Tarrytown, and White Plains, Westchester County businesses and homeowners rely on professional security system suppliers in Westchester County, NY for protection. We design and install burglar alarms, CCTV cameras, video doorbells, and access control systems built for mixed-use office parks, historic properties, and multi-unit residential buildings. Local permit rules and building access complexity make professional installation essential.
This page covers what our security systems do, how we install them to code, and why proximity and local know-how matter for your safety and peace of mind.
How We Work
From initial assessment through 24/7 monitoring, we handle every step of your security setup.
Site Assessment
We visit your property in Yonkers, Mount Kisco, or elsewhere in the county to understand layout, entry points, and building code requirements. No two properties are the same.
System Design
We tailor a security package—cameras, sensors, control panels—that fits your budget and meets Westchester County permit standards and local fire codes.
Professional Installation
Licensed technicians arrive with tools and materials. We install cleanly, test every sensor and camera, and walk you through all features and alerts.
24/7 Monitoring
Your system connects to our UL-listed central station. Alarms trigger immediate alerts to you and first responders. Peace of mind around the clock.
Ongoing Maintenance
We schedule routine check-ups, replace batteries, and service your system year-round so it stays ready when you need it most.
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.