​Home Security Systems

Home security systems can be complicated. Let us simplify the process for you.

We offer a wide range of home security systems in Indianapolis that help protect your home and family with best in class fire and security systems.

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Business Security Systems

Whether you have a small private firm or large commercial business, Nelson Alarm has the right business security system solution for you.

We offer a complete line of hardwired and wireless systems that can be customized to meet your design needs.

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24/7 Monitoring

The protection of your family, home, or business, is only as good as the time it takes to respond to events.

With 24/7 monitoring, you can rest assured that we take protection seriously and will respond to events rapidly.

We commit to your complete satisfaction and provide "Only the Best".

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4 Easy Steps

Nelson Alarm makes getting your home or business protected easy by following a 4 step process. Each step is designed to ensure your are provided with the personalization and attention you deserve!



One of our knowledgeable team members will listen to your concerns and will give you their expert advice. This includes coming out to your location so they can assess your property.



We will design a package that suits your individual needs. We realize each property is unique and want to give you the best protection.



After designing your system, you will get a call from our scheduler to set up a time to begin the installation process.



A truly protected home is a monitored one. With local monitoring you and your family can feel safe and secure.

Our Motto

Only the Best!

Nelson Alarm prides itself on being a full service provider of quality burglar and fire alarm systems throughout Indiana. Got a business and a home? Our motto says it all "Only The Best!" Our team of technicians understand the importance of quality install and repairs. We keep an extensive inventory of parts in stock in our office and on our trucks. Why? Because it ensures there are no delays in getting your system up and running in a timely manner whether it's for a new security system installation, or a security system repair.

We are available 24 hours a day, seven days a week. Request a quote on your new security system and we'll get you one quickly.

"Only the Best" is what we strive to provide every customer, every day. We have built our reputation for excellence by specializing in customer satisfaction.

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Burglary Occurs Every 15 Seconds


Average Financial Loss Per Burglary Victim


Property Crimes Per Year In Indianapolis

Indianapolis Security System
Customer Testimonials

Home Security Systems Indianapolis

When you’re looking for a home security system company in Indianapolis, you’ll find Nelson Alarm. A trusted name in Home Security for the past 30 years.

We’re one of the best security system companies in Indianapolis. We use only the best products in our solutions. And we put the right focus on helping you protect your home.

Start protecting your home, family, and property. Get your custom quote on your new home security system today.