The Right People.
The Right Solutions.
Knight Security is a third-generation family owned and operated life safety and security company serving Westchester, Putnam and Connecticut since 1959.
Remote Services From your phone, you can control temperature, lighting, security and more! Real-time alerts, video viewing and mobile remote control put peace of mind in the palm of your hand.
Introducing The Knight Family Package! For a limited time, Knight Security Systems is offering a complete home security system for your home at our guaranteed low price!

Residential Home Security

For over 60 years, Knight Security Systems have been designing custom security systems for every budget and need.

Security For Your Business

Whether you’re looking to prevent theft or a management tool for your employees, Knight Security Systems can design a solution for you.

See Who’s Knocking

Turn your security system into a personal concierge service with a doorbell camera compatible with your security system and smartphone app.

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    50+

    Years in Business
    Knight Security is a third generation, family-owned and operated security company serving New York and Connecticut since 1959. Trust your home and business to a company that has established itself as the premier security systems company in Westchester and Fairfield Counties!



    100

    Years of Experience
    Whether it’s our security consultants, install, or service departments, we have the expertise to get your alarm system done! From the first appointment all the way through to your routine security service check-ups, you will expect to see the highest level of expertise and professionalism.



    24/7

    Customer Support
    No matter when or where, if you have an issue - we respond! Your family’s security is our number #1 priority, so make sure your security provider is up to the task!


    Security Systems in Westchester County, NY

    Homes and businesses are full of personal belongings, technology and expensive items. At any point, an intruder might try to break in to steal jewelry, money, valuable documents and more. However, you can stop an unfortunate incident by installing industry-leading panic alarm systems from Knight Security Systems.

    We believe that a residential or commercial space should be a safe spot for all. With more than 60 years of industry experience, our team serves Westchester County, NY, and surrounding locations with custom alarm solutions that make a difference in an emergency. From unexpected fires to an open door, our cutting-edge systems help you identify a security issue the moment something appears out of the ordinary.

    Your Premier New York Alarm Company

    At Knight Security Systems, we separate ourselves from other alarm companies in New York with the ability to install, repair and maintain custom alarm and video systems. We give you the peace of mind you need to relax when you're away from home with an impressive inventory of wireless and hard-wired alarm systems for the home and office. No two residential or commercial buildings are identical, so we learn your expectations to craft a solution that works for your routine.

    Whether you're searching for environmental sensors or burglar alarms for your Westchester, NY, home security system, we've got you covered. Protect your family and co-workers with mounted cameras, remote monitoring features and beyond. Trust in one of the best home alarm companies Long Island has to offer for any security needs. From alarm systems in Mamaroneck, NY, to security cameras for your White Plains home, our certified technicians will make the installation process smooth and efficient.

    The Best Home Security System in NYC

    Knight Security Systems provides only the very best products and services. Since 1959, we have progressively built our reputation among the best home security system companies in NYC. That history demonstrates our dedication to fulfilling your unique security needs.

    We can design systems that protect various types of residential buildings, including apartment security systems for your NYC home. Our services and available alarm equipment for NYC include the following.

    Security Systems

    The Total Connect® app lets you easily monitor your property from your smartphone wherever there's an internet connection. Control various innovative technology, including door locks, lights and thermostats. Cycle through any security camera footage at a moment's notice.

    Camera Systems

    We'll design a high-quality video surveillance system specifically for your home. Advanced camera features can enhance your monitoring capabilities, while a professional assessment of your layout ensures full surveillance coverage.

    Fire Alarms

    Many apartment security systems in NYC can benefit from our fire alarm systems, designed to provide instant notification to you and our control base. Even if you are away or asleep, we will notify the proper authorities of the danger and quickly get you the help you need.

    As an authorized Honeywell Security dealer, we supply our customers with industry-leading security technology. For example, if you're searching for a smart video surveillance system in NYC, we can design and install a custom camera system for you. Additional security features and services will help enhance your home's safety.

    Security Systems for Your Connecticut Home or Office

    At Knight Security Systems, we don't only serve New York homes and businesses. We also provide professional security systems to Fairfield, CT, serving as one of the area's oldest and most reliable alarm companies.

    Our customized security systems allow you to take advantage of numerous services and available alarm equipment. Property owners throughout Fairfield County can rely on us to design and install a complete umbrella of protection.

    Knight Security Systems' UL-listed central monitoring station provides 24/7 monitoring of your security systems. Get notified each time someone attempts to access your property or comes within view of the camera system. The security cameras serve as a visible deterrent for thieves and vandals, who would otherwise get caught on the high-definition image.

    Smartphone capabilities allow you to lock or unlock doors, control lighting and change thermostat settings from anywhere. If a fire alarm detects heat, smoke or any other irregularity, an audible warning ensures occupants can safely escape. Meanwhile, instant text and email alerts help keep everyone aware of the danger so you can act quickly to protect yourself, your property and your loved ones.

    Residential Alarm System Installation and Repair

    Our installers treat customers like family. If you have children, pets or frequent guests, Knight Security Systems will introduce you to in-home additions accessible from your mobile device. The days of using outdoor keypads are over, as we provide solutions that keep you in control of your residential property.

    Take note of sudden changes in the home with features you can use anywhere, such as:

    • Remote door entry (ideal for your kids and neighbors)
    • Preset schedules for thermostats, locks and lighting
    • The ability to manage garage doors from your phone
    • Day and night vision cameras
    • Monitored smoke detectors

    We're with you through the installation process and can return at any convenient time. If a camera goes out or you have trouble calibrating equipment, we're here with timely repair and maintenance appointments.

    Commercial Alarm System Repair and Installation

    Local businesses are a frequent target for breaking and entering. Thieves can figure out your hours of operation and break in overnight. Fortunately, we help you deter unwanted visitors with everything necessary to manage security remotely. We install cameras and introduce you to a user-friendly mobile app to record footage.

    Be the first to know of environmental changes and potential threats to your commercial space. Our installers cater to the following industries in Westchester County:

    • Retail
    • Construction
    • Local and state municipalities
    • Automotive dealers and shops
    • Warehousing and industrial facilities
    • Colleges, universities and local school districts
    • Pharmaceuticals

    Upgrading Your Alarms and Security System

    For a residential or commercial alarm system to work, you need an experienced installer. Our professionals drive to your location with the correct tools and resources for a quick and clean install. We'll assist with mobile app configurations and walk you through special features with settings according to your preference. Knight Security Systems is a leading alarm company proud to serve New York and Connecticut locations.

    Schedule your home security repair or commercial security maintenance throughout the year for long-term results.

    Contact Knight Security Systems for an Alarm Quote

    Are you interested in updating or adding a home burglar alarm to your Westchester, NY, home or office? Look no further than Knight Security Systems for technology sales, installations and outstanding customer service. Work with a quality alarm company in New York or Connecticut. For more information about our products and services or to request a security alarm quote, complete our contact form online.