Peace of Mind, Delivered: Secure Your World

Experience next-generation protection with our advanced security alarm systems.

Protect everyone. Protect everything. Keep your home, family and business safer with security that never stops. Let's go.

Security Camera Installation

About us

Founded in 1985, First Alarm LLC has evolved from a humble beginning into a leading Security System Company, offering comprehensive services across Massachusetts and Southern New Hampshire. Our expertise spans both residential and commercial sectors, and we have established strong partnerships with New Home Builders and Remodelers.
Boasting nearly four decades of experience, First Alarm LLC is celebrated for its unwavering commitment to community safety and customer satisfaction. Our reputation for excellence is not just reflected in the trust and loyalty of our clients, but also in the professional accolades we’ve received for our quality services. At First Alarm LLC, protecting your peace of mind is at the heart of everything we do.

Your complete security suite

At First Alarm LLC our team of Reliable Security Professionals is dedicated to your safety. We recognize the pivotal role
Digital Door Lock System
At First Alarm LLC we understand that selecting a Fire Alarm System can be a daunting task. There are a variety of options
wired and wireless Security
We stand behind the quality of our service and we’ll always work hard to provide you with convenient and all inclusive care.
Security System Monitoring

Find Your Perfect System

Your questions answered

We built both the hardware and software, so it all works seamlessly together

Tips for your home and budget

We engineer our products to be easy to learn and fast to install so you can complete more jobs

Build a system for your needs

A beautifully unified app and touchscreen experience will delight your customers

See if Pro Install is right for you

A beautifully unified app and touchscreen experience will delight your customers

We are very proud to be serving our local area for over 40 years!

Our Products

No matter where you go, always have a window to your home. With cameras that feature live look-in, you can keep an eye on what’s happening at home
Real-time viewing and recorded video clips from cameras located inside and outside your home.
Real-time viewing and recorded video clips from cameras located inside and outside your home.
Real-time viewing and recorded video clips from cameras located inside and outside your home.
Real-time viewing and recorded video clips from cameras located inside and outside your home.
Security Camera Features

Why Choose Us

Fully Licensed, Bonded, And Insured
Outdoor Bullet Camera
Complete Solution
Comprehensive security solutions designed for your peace of mind. From alarm systems to surveillance and life safety equipment..
Digital Door Lock
Best Experience
For the best experience, rely on First Alarm LLC’s expertise in security solutions. With decades of proven excellence, we prioritize your safety..
Out Door Camera Installation
Fastest Install
Get the fastest installation with First Alarm LLC. Our expert team ensures swift setup without compromising quality or security,
cctv camera surveillance
Cost Advantage
Benefit from our cost-effective solutions at First Alarm LLC. We offer competitive pricing without compromising on quality, ensuring affordability…

Product Gallery

Security Alert Camera

Sensors

Alarm Cameras
Fire Alarm

Sensors

Fire Security Alarm
Life Guard Alarm

Sensors

Life Safety
Door Bell Camera

Cameras

Door Bell Cameras
Digital Door Lock

Security

Digital Door Lock
Flood Alarm System

Sensors

Flood Alarm

Frequently Asked Questions

Security monitoring systems are not just a “nice-to-have,” they are a necessity. Our smart security systems utilize the latest technology for reliable protection, valuable insights, and smarter automation.
Security monitoring systems should give you the peace of mind to live your life with the assurance that your security is always doing its job in the background. Our innovative technology responds immediately to suspicious activity and alerts you to potential incidents.
Unlike other systems that share a phone or cable line, firstalarmllc.com systems use a dedicated, secure cellular connection to provide reliable and uninterrupted service for your critical security messages.

We're Always on Guard

24/7 Monitoring

Our dedicated monitoring centers operate around the clock, providing constant surveillance to promptly respond to any alarm, offering you and your loved ones continuous protection.