HELP PROTECT YOUR HOME
ADT Home Security in Los Angeles, CA
ADT is America’s most trusted* security company, tested and proven throughout our 150-year history Los Angeles homeowners know we can help them protect what matters most.

Compare ADT security packages
Compare ADT security packages
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ADT+ Mobile App & Control
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Intrusion Detection
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Trusted Neighbor
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Front Door Video
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Perimeter Video
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Motion Detection
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Fire & Carbon Monoxide Detection
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Water & Temperature Detection
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Remote Access
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Alarm Cellular Backup
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30-day Event History
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Theft Protection Guarantee¹
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Money Back Guarantee¹
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24-Hour Battery Backup
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- 1 Requires ADT Complete pro monitoring plan and compatible devices. See here for terms.
- 2 Terms and conditions apply, see here for terms.
- 3 Applies after ADT has made attempts to resolve a system related issue. Requires purchase and continual monthly payment of both QSP and professional monitoring at time of activation to be eligible. See here for terms.
Convenience and protection in the palm of your hand
Convenience and protection in the palm of your hand
The ADT+ app lets you access your ADT system, Nest cams and Nest thermostats, all in one place.*
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Happy Customers in the Los Angeles Area

Mark
Los angeles, CA
via ConsumerAffairs
Los angeles, CA
via ConsumerAffairs
July 16, 2017
"Customer service person on the line was very good and helpful. She knew what she was doing and very confident. We were able to solve the issue. I always feel safe when I turn my alarm on...
knowing ADT is right there when God forbids an intrusion take place. Gives me and my family peace of mind."

Lorena
Los Angeles, CA
via ConsumerAffairs
Los Angeles, CA
via ConsumerAffairs
June 22, 2017
"Try to break in. The call that I received was very explicit, explain what would happen since I wasn't at home. The guy was very friendly and calm.
Although, the police took a long time to get here. The experience with ADT was good."

Loretta
Los Angeles, CA
via ConsumerAffairs
Los Angeles, CA
via ConsumerAffairs
Jan. 1, 2017
"System works great. ADT very informative and cooperative in identifying problem. Get calls for trouble alerts and company does come to my home to resolve the issue.
When I get some money I'm going to order the Pulse system so that I can see/view my premises when I am away from home, and can see what's going on there as well."
ADT Los Angeles Service Area
Our ADT Los Angeles team offers professional home security installation and a variety of security and automation products and solutions.
Same-Day Installation
6-Month Money-Back Guarantee*
24/7 Live Phone Support
- ADT Security Services
- Los Angeles, CA 90014
- United States
- (323) 315-0683
- Los Angeles Office Hours
- M-F 8am - 4pm
- Sat/Sun Closed
- Questions? Call Us Today!
- M-F 7am - 9pm
- Saturday 8am - 6pm
- Sunday 9am - 6pm
- East Los Angeles
- Huntington Park
- Maywood
- Walnut Park
- Commerce
- Bell
- South Pasadena
- South Gate
- Monterey Park
- West Hollywood
The ADT+ app gives you convenience and protection in the palm of your hand. You can access your ADT system, Nest cams and Nest thermostats, all in one place.*
More control, more choices, more peace. ADT has partnered with Google to give you more ways to help protected and stay connected to your home. Integrate Nest cams, Nest thermostats and Nest Hub for a more connected ADT system you can easily control, whether you’re at home or on the go.