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Townline Security Systems will provide you with the excellent service and professionalism you expect from an alarm company. We install the latest in security systems for your home and business. We can take over and upgrade your older system at an affordable price, allowing you the ability to connect to your alarm remotely. With the growing need for safety and security, together we can design a system that works best for you. If you're tired of being just a number in the large alarm company game, choose us and get the personalized service you deserve!



Consultation, Installation and Servicing

Ask us about: 

  • Intrusion Systems
  • Fire Alarm Systems
  • IP Security Cameras
  • Access Control Systems
  • Intercom and Telephone Systems


About Us

 We are dedicated to our customers, and they benefit from our strong mission and clear vision. If you're looking to secure your home or business, call us today for a comprehensive solution package based on your budget and requirements. We offer full engineering and design services to create custom security products and systems. Our highly experienced security experts are here to help you design and build the solution you need to protect you and your home or business.


Remote Services

  Remote Services offers smart home and business solutions for our customers. With an app, users can remotely control their home or small business anytime, anywhere. Users may control their security system, thermostats, lighting, locks and more. Receive event notifications on activity, view live video, see, hear, and speak to visitors at the front door using compatible smart devices. The website offers a sleek web experience and access from any mobile device – no app needed.


24 Hour Central Station Monitoring

Our professional monitoring services will always be there when

it counts for our customers, with the best trained personnel and

best technology available.  We offer a full range of monitoring

services for a wide range of systems. Not just different. Better.

Our Partners


Alarm Permits

Contact Us

Schedule an Estimate

Each location has its own security needs. Tell us more about your security concerns, so that we can get started on a plan to address them. 

Your time is valuable, and we will make sure to get back to you as soon as possible.  

Townline Security Systems

Mastic, NY 11950

(631) 503-7712 - Call or Text