How to Cancel ADT

Q: How do I cancel ADT?

You can cancel ADT via Phone – call 1‑888‑392‑2039 (ADT Customer Service) or Written notice – send a cancellation letter to ADT as described in the contract. Steps: Call ADT Customer Service at 1‑888‑392‑2039 and request cancellation; request a Return Material Authorization (RMA) number for equipment return. If required, send a written cancellation notice to ADT’s address provided in your contract, referencing your account number and the RMA number. Pack and ship the ADT equipment to the address specified in the RMA instructions within 21 days of receipt. Confirm with ADT that the equipment has been received and that any eligible refunds have been processed.

Last verified: 2026-03-19

Official ADT PolicyVerified

www.adt.com/help/faq/account-management-reorder-test/cancel-service

2026-03-19

Summary

You can cancel ADT via Phone – call 1‑888‑392‑2039 (ADT Customer Service) or Written notice – send a cancellation letter to ADT as described in the contract. If you cancel within 30 days of the contract start, ADT will refund the equipment cost and any prepaid monthly fees provided service has not yet been activated. After the 30‑day period, early termination incurs a charge of 75% of the remaining monthly charges; refunds are only issued for equipment returned in good condition. A six‑month money‑back guarantee applies only when ADT cannot resolve a system‑related issue within the first six months of activation.. Cancellation fee: 75% of remaining monthly charges as an early termination fee. Steps: Call ADT Customer Service at 1‑888‑392‑2039 and request cancellation; request a Return Material Authorization (RMA) number for equipment return.. If required, send a written cancellation notice to ADT’s address provided in your contract, referencing your account number and the RMA number..

Cancel Via

Phone – call 1‑888‑392‑2039 (ADT Customer Service), Written notice – send a cancellation letter to ADT as described in the contract

Refund Eligibility

If you cancel within 30 days of the contract start, ADT will refund the equipment cost and any prepaid monthly fees provided service has not yet been activated. After the 30‑day period, early termination incurs a charge of 75% of the remaining monthly charges; refunds are only issued for equipment returned in good condition. A six‑month money‑back guarantee applies only when ADT cannot resolve a system‑related issue within the first six months of activation.

Cancellation Fee

75% of remaining monthly charges as an early termination fee

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How to Cancel — Step by Step

1Call ADT Customer Service at 1‑888‑392‑2039 and request cancellation; request a Return Material Authorization (RMA) number for equipment return.
2If required, send a written cancellation notice to ADT’s address provided in your contract, referencing your account number and the RMA number.
3Pack and ship the ADT equipment to the address specified in the RMA instructions within 21 days of receipt.
4Confirm with ADT that the equipment has been received and that any eligible refunds have been processed.

Billed Through a Third Party?

If you use ADT EasyPay, log into your ADT account and disable automatic withdrawals, or contact your bank/credit‑card issuer to stop future debits.

Reactivating Your Account

To reactivate, contact ADT Customer Service and provide your account details; a new contract or reinstatement fee may apply.

Additional Notes

Cancellation after the initial 30‑day period triggers a termination charge equal to 75% of the remaining monthly fees (not a penalty, but a contract termination charge).
Equipment must be returned in good condition before a refund is issued; ADT will issue a refund only after the returned items are inspected.