Feel safer with a new home security system from ADT

In the heart of Simi Valley, DTect Security Systems are here to help. Whether you’re looking to plan or install your ideal ADT monitoring home security solution, our friendly experts have got you covered.

Over 38 years of experience in security

DTect Security Services

Authorized ADT Provider

DTect Security Systems specializes in residential and commercial automation systems, top-of-the-range security cameras, and life safety. In line with our goal to consistently provide top-quality customer service, every one of our ADT products is customized to meet each client's personal needs.


We offer customizable ADT and Safe Streets USA residential and commercial security systems.


Residential and commercial security automation systems, intercoms, and cameras, along with many more customizable options to choose from.


Years Experience


Projects Done


Team Advisors


Active Clients

What We Do

Our Services


Residential Security Systems

Whatever your residential needs, with DTect Security Systems as your custom security solution, you’ll never have to worry about your home’s safety again.
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CCTV Camera Solutions

If you’re looking for extra protection, consider one of our custom-made CCTV camera solutions to add another layer of security for your home or business.
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Commercial Security Systems

With our customized business security solutions, you can rest assured that your business will be securely protected at all times.
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Home Automation

DTect Security Systems offers home automation solutions that enable your home to become a smart house, with all the necessary security features you’ll need.
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Intercom Systems

DTect Security Systems offers a two-way communication intercom system, allowing you to communicate with whoever arrives at your doorstep.
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And More!

Looking for something a little more customized? Get in touch with us for more information!
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What Our Clients Say

DTect Security

The ADT advantage

#1 in smart home security

For the past four years in a row, ADT has earned the honor of being known as the #1 Smart Home Service Provider* in the US.

24/7 professional monitoring

Whatever the emergency, there is always an ADT employee at the other end of the telephone line, ready and waiting to help you.

6-month guarantee

ADT will refund your installation and monitoring fees if they were unable to revolve your security system or service concerns the way you’d hoped for.