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ADT Home Security Customer Support

For New ADT Home Security Customers:

Learn more about how ADT monitored home security systems can protect your home, valuables and your family. Call an experienced ADT Security Advisor at 1-866-677-3507.

Sales Center Hours:
English Speaking Agents:
Mon-Fri 7am-1am EST, Sat 9am - 12am EST & Sun 10am - 10pm EST.

Spanish Speaking Agents:
Mon-Fri 12pm-9pm EST

ADT stands 100% behind its products and services. ADT Monitored Home Security Systems include a Money Back Service Guarantee.

ADT strives to provide unparalleled customer service: For our valued, current ADT Customers: If you need assistance with your installed home security system, please contact ADT at 1-866-746-7238.

ADT Professional Installation Services: If you have a question about your installation appointment and you would like to speak to a Customer Relations Associate, please call 1-866-677-3507.

Customer Relations Hours: Monday – Friday: 8:30am – 7:00pm EST

*Next day installation subject to availability in your area. $99.00 Customer Installation Charge. 36-Month Monitoring Agreement required at $35.99 per month ($1,295.64). Form of payment must be by credit card or electronic charge to your checking or savings account. Offer applies to homeowners only. Local permit fees may be required. Satisfactory credit history required. Certain restrictions may apply. Offer valid for new ADT Authorized Dealer customers only and not on purchases from ADT Security Services, Inc. Other rate plans available. Cannot be combined with any other offer. For a list of dealers click here.

** To qualify for the Relocation Discount Guarantee, you must have been under contract with ADT for at least two years and your ADT account must be in good standing. You must also provide ADT with the name and telephone number of the new occupant of your former residence. This discount cannot be combined with any other offers and is valid for residential customers only. Alarm systems for businesses can be found at ADT.com.

† Certain restrictions apply. Actual system may vary from item pictured.