HELP PROTECT YOUR HOME
ADT Home Security in Philadelphia, PA
ADT is America’s most trusted* security company, tested and proven throughout our 150-year history Philadelphia 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 Philadelphia Area

Cheryl
Philadelphia, PA
via ConsumerAffairs
Philadelphia, PA
via ConsumerAffairs
Jan. 24, 2017
"I've been an ADT customer for many years and have recommended ADT to my daughter so she could also share my experience. I rely on ADT's reliable services to answer all my questions.
Thank you ADT, my constant companion for all the years!"

Craig
Philadelphia, PA
via ConsumerAffairs
Philadelphia, PA
via ConsumerAffairs
Jan. 22, 2017
"I couldn't be happier with the service but especially the tech that installed the unit. My 86 year old mother lives with me and he took the time it needed to explain the entire process to her several times.
Thank you!"

Marvena
Philadelphia, PA
via ConsumerAffairs
Philadelphia, PA
via ConsumerAffairs
Jan. 24, 2017
"The Agent was very cordial and polite. She was able to answer my questions. She was able to input my new information and rectify my account.
She was patient and friendly. She asked if there was anything else she could assist me with. I appreciate great customer service. Thank you."
ADT Philadelphia Service Area
Our ADT Philadelphia 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
- 231-253 Gibraltar Rd
Horsham PA 19044- 231-253 Gibraltar Rd
- United States
- (267) 439-4956
- Philadelphia Office Hours
- M-F 8am - 4pm
- Sat/Sun Closed
- Questions? Call Us Today!
- M-F 7am - 9pm
- Saturday 8am - 6pm
- Sunday 9am - 6pm
- Camden
- Woodlynne
- Gloucester
- Bala Cynwyd
- Yeadon
- East Lansdowne
- Feltonville
- Collingswood
- Bywood
- Colwyn
- Oaklyn
- Darby
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.