ADT Security Alarm Systems

Ranch style, split-level, apartment or two-story - every home has its own unique security needs. We get that. And for over 140 years, we've custom-designed home alarm systems to help protect them.

Home security and home alarm systems

Securing Your Home

From door, window, and motion sensors to video doorbells and cameras, we'll build the perfect home alarm system for you.

home security cameras

Always On The Lookout

Keep an eye on things even when you're away from home, with indoor/outdoor cameras and video doorbells.

Smart home alarm systems with smart locks

Bring Your Home Security With You

With smart home alarm systems, control your locks, lights, garage door and thermostat from our app.

fire alarm safety

Preparing For Emergencies

Adding smoke alarms, carbon monoxide detectors or flood sensors can help keep you and your family safer - whether you're there or away.

See How ADT Can Help Protect What Matters Most

Watch Amber Cooper's story of how ADT provides customers with quality home monitoring services.

Amber Cooper of Anaheim holds Fiona, a Yorkshire Terrier mix rescue dog, that was rescued from a house fire by Anaheim Fire & Rescue with the help of ADT dispatcher Dave Tompkins.
Watch now

*Simulated screen

Control Your Home Security with the ADT Mobile App

The ADT mobile app is the smart solution that combines home security with home automation at an affordable price. With the ADT App you can arm and disarm your home’s security system, control the lights or watch live security video from virtually anywhere on your tablet or smartphone.

  • 24/7 fast response burglary and theft monitoring

  • Arm and disarm your home security system remotely

  • Look in on your home any time, from virtually anywhere

Help Secure Your Home
with Us in 3 Easy Steps

Submit Form and We'll Call You
1. Call Us

Set up an appointment and we'll help assess your security needs.

In-Home Review
2. Free Quote

Get a FREE security quote on the phone or in your home from one of our security experts.

3. Installation

Congratulations, you're now in an ADT-protected home.

Without monitored smoke detectors, my dog Fiona would not have had a chance."

– Amber Cooper - Anaheim CA

ADT provided this customer with one year of complimentary monitoring services.

Terms and Conditions

*Requires 36-month monitoring contract starting at $57.99/mo with QSP (24-month monitoring contract in California, total fees from $1,391.76), and enrollment in ADT Easy Pay. Service and installation charges vary depending on system configuration, equipment and services selected. Certain markets excluded. Offer includes free installation of one video doorbell and $200 off total installation cost with a minimum installation charge of $598 before promo is applied. In the southeast region minimum purchase price is $828 before promo is applied. Applies to ADT Video Service level for new, takeover and resale sales types. Upgrades and Add-ons not eligible. Applicable taxes extra. Upon early termination by Customer, ADT may charge 75% of the monthly service charges due for the balance of the initial contract term. Quality Service Plan (QSP) is ADT’s Extended Limited Warranty. Limit one offer per new ADT customer contract and cannot be combined with other offers or discounts. Expires June 30, 2019.

Additional charges may apply in areas that require guard response service for municipal alarm verification. System remains property of ADT. Prices subject to change and may vary by market. Local permit fees may be required. Satisfactory credit history required. A security deposit may be required Prices subject to change. Offers not available in all markets. Simulated screen images and photos are for illustrative purposes only.

© 2019 ADT LLC dba ADT Security Services. All rights reserved. The product/service names listed in this document are marks and/or registered marks of their respective owners and used under license. Unauthorized use strictly prohibited. Third party marks are the property of their respective owners and used with permission or allowed under applicable laws. All security systems and services contained in this offer are sold, installed and monitored by ADT and not by American Express. ADT is not bank holding company nor affiliated with American Express.

License information available at or by calling 800.ADT.ASAP. CA ACO7155, 974443, PPO120288; FL EF0001121; LA F1639, F1640, F1643, F1654, F1655; MA 172C; NC Licensed by the Alarm Systems Licensing Board of the State of North Carolina, 7535P2, 7561P2, 7563P7, 7565P1, 7566P9, 7564P4; NY 12000305615; PA 090797; MS 15019511

Offer is non-transferable. Limit of 1 statement credit per Card Member. The enrolled account must be active, in good standing and not in default to receive the statement credit. Statement credit will appear on your billing statement within 90 days after 4/7/2019, provided that American Express receives information from the merchant about your qualifying purchase. Note that American Express may not receive information about your qualifying purchase from merchant until all items from your qualifying purchase have been provided/shipped by merchant. Statement credit may be reversed if qualifying purchase is returned/cancelled. If American Express does not receive information that identifies your transaction as qualifying for the offer, you will not receive the statement credit. For example, your transaction will not qualify if it is not made directly with the merchant. In addition, in most cases, you may not receive the statement credit if your transaction is made with an electronic wallet or through a third party or if the merchant uses a mobile or wireless card reader to process it. By adding an offer to a Card, you agree that American Express may send you communications about the offer.