Trusted Since 2004.
Looking for an alarm company in Atlanta, GA you can actually count on? J&J Security Systems has spent over 20 years designing and installing burglar, intrusion, and fire alarm systems for homes and businesses across metro Atlanta, not one-size-fits-all packages.
From door and window sensors to glass-break detectors, smoke and heat sensors, and 24/7 professional monitoring, our local technicians design a system around how you actually use your property, then install, configure, and service it themselves.
We’re an A+-rated, BBB-accredited company based nearby in Snellville, GA, so a local technician, not a call center, answers when you call. Every installation comes with transparent, upfront pricing and a lifetime limited warranty.
Ready to protect what matters? Request a free quote or call (770) 771-5502 to talk to an Atlanta alarm specialist today.
A proven process that takes you from first call to full protection.
We walk your property, listen to your concerns, and map out the entry points and blind spots that matter most.
We design a system around your home, not a generic package, choosing the right mix of alarms, cameras, and automation for your budget.
Our local technicians handle mounting, wiring, and testing in a single visit, then walk you through everything before we leave.
Once installed, your system is backed by around-the-clock monitoring and a local team that answers when you call.
Protecting homes and businesses across Georgia since 2004, we bring over 20 years of hands-on experience designing, installing, and maintaining customized security systems.
Every property is different, and your security system should be too. We recommend equipment based on your layout, risks, and budget, not a generic package.
Correct sensor placement, camera angles, system configuration, and testing help ensure your security system performs the way it should from day one.
We focus on solving your security needs, not selling you equipment you don't need.
J&J is locally based in Snellville and installs and services security systems throughout metro Atlanta and Georgia.
EXCELLENT
Based on 641 reviews
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Ariel CohenTrustindex verifies that the original source of the review is Google.
Very happy with the service we received.Posted on Google![]()
MartyTrustindex verifies that the original source of the review is Google.
The owner went above and beyond and was very accommodating. Highly recommend!Posted on Google![]()
Lisa WindomTrustindex verifies that the original source of the review is Google.
No notice of eta, but the trch was very knowledgeable and polite and had my problem resolved in a timely manner.Posted on Google![]()
Doug Blevins Agency & AssociatesTrustindex verifies that the original source of the review is Google.
J&J handles all of our security needs and we highly recommend. We recommend them to all our of our policy holders!Posted on Google![]()
Leo DanielsTrustindex verifies that the original source of the review is Google.
Johnny showed up on time. He got right to work enabled my system to be functional again. I found me a new friend ThanksPosted on Google![]()
Benjamin CooperTrustindex verifies that the original source of the review is Google.
My installation was a little tricky but they worked it out great. They are very.very professional, knowledge, and displayed a wonderful sense of humor. I will definitely continue to use them. ThanksPosted on Google![]()
Esther CarsonTrustindex verifies that the original source of the review is Google.
J&J Security did a fantastic job putting up cameras in our community. They are reliable, skilled, proffessional yet friendly and affordable. I highly recommend them for your security needs.Posted on Google![]()
Sharon YoungTrustindex verifies that the original source of the review is Google.
Johnny has been extremely professional, reliable, and personable throughout all of our interactions. He is responsive when contacted, shows up on time for appointments, and consistently goes above and beyond to ensure the job is completed thoroughly and correctly. I would highly recommend Johnny for any security needs. His dedication and attention to detail truly set him apart.
Cost depends on the size of your property and the number of sensors, cameras, or automation devices you want. We provide a free, no-obligation quote after walking your property so you know the exact cost before we install anything.
Most residential alarm systems are installed and fully tested in a single visit. Larger or commercial installations may take longer depending on the number of doors, sensors, and zones involved.
Yes. Every alarm system we install can be backed by around-the-clock professional monitoring, so help is dispatched immediately if an alarm is triggered.
Yes. Our systems include a mobile app that lets you arm, disarm, and receive real-time alerts from anywhere.
Yes. We install fire, smoke, and heat detection alongside burglar and intrusion alarms so your property is protected from multiple types of risk.
Yes. We regularly upgrade outdated alarm panels and sensors, and can often reuse existing wiring to keep costs down.
Based in Snellville, J&J Security Systems installs and monitors alarm systems throughout the following communities and the greater Atlanta, GA area.