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How to cancel ADT

Name: Gravity: Cancel Subscriptions
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Author: Viral App Labs LLC

ADT is a contract-based home-security service you cancel by contacting ADT directly, not online. Its monitoring terms require at least 30 days' notice before your current term ends. Canceling during the initial term can trigger an early-termination charge (documented as 75% of remaining monthly charges); you may also be asked to submit written notice and return equipment.

Menus and labels can change. If the steps below don’t match what you see, use the official help link on this page.

Fast answer

Where to start with ADT

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Can you cancel online?: no
Where to start: Account or billing settings
Apple or Google billed?: Not commonly documented
Keeps access until: Monitoring typically continues until the end of your current 30-day term after your notice takes effect; confirm your final service date with ADT.
Notice period: 30 days
Contract / fees: ADT's monitoring terms state the initial term is whatever you selected at checkout (widely reported as 36 months, 24 in California). After the initial term the contract auto-renews for successive 30-day periods unless either party gives at least 30 days' notice before the current term ends. Early-termination charge during the initial term is documented as 75% of total remaining monthly charges; no termination charge is due if you cancel during a 30-day renewal period.
Verified on: 2026-07-12

Step-by-step cancellation

These steps only appear when the flow was verified against an official provider or platform source.

Cancel by contacting ADT (phone + written notice)

1
Locate your ADT account number (on your bill or in the MyADT account portal).
2
Contact ADT to request cancellation of monitoring (ADT's monitoring terms list 800.327.4348; the current number also appears on your ADT bill/account).
3
Tell the agent you want to cancel and give at least 30 days' notice before your current term ends.
4
If asked, submit written cancellation notice (ADT commonly requests it); keep a dated copy and note who you spoke with.
5
Return any ADT-provided equipment if instructed, and confirm your final billing date and cancellation in writing.

Common problems

Only official-source troubleshooting notes are included here.

What happens after you cancel?

Post-cancellation details like access, downgrade behavior, and refund caveats are shown only when the provider documents them.

Your monitoring service ends after your 30-day notice / at the end of your current term.
If you cancel during the initial contract term, an early-termination charge (documented as 75% of remaining monthly charges) may apply.
ADT may require you to return company-provided equipment and typically provides return instructions.
Ask for written confirmation of your cancellation and your final billing date.

Refund notes

ADT documents a money-back service assurance that applies only if ADT is unable to resolve a system-related issue within the first 6 months, and a short post-signing cancellation window. Check current terms for exact conditions.

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FAQ

Can I cancel ADT online?

No self-service online cancellation is documented. ADT's terms have you contact ADT to cancel, and you may be asked to submit written notice. Check the ADT help FAQ or your MyADT account for current options.

How much notice does ADT require?

ADT's monitoring terms say either party must give at least 30 days' notice before the end of the current term. After the initial term, the contract renews in 30-day periods you can end with 30 days' notice.

Will I owe an early-termination fee?

If you cancel during the initial contract term, ADT's terms state you pay 75% of the total remaining monthly charges. No termination charge is due if you cancel during a 30-day renewal period. Check your specific agreement.

Do I have to return ADT equipment?

ADT may require you to return company-provided equipment and typically provides return instructions. Confirm what applies to your account when you cancel.

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