โ† Back to Just Cancel

How to Cancel ADT Security

Updated 2026-02-16 โ€” Step-by-step cancellation guide

๐Ÿ“–Want the full story? Read our detailed ADT Security cancellation guide

Quick Facts

Difficulty

Very_hard

Avg. Price

$45/mo

Very Hard โ€” In-person visit or certified mail may be required

Direct Cancel Link

Cancel ADT Security โ†’

Opens ADT Security's account settings in a new tab.

How to Cancel

Call ADT at 1-800-238-2727. Request cancellation and be prepared for retention offers. You may owe 75% of remaining contract.

โš ๏ธ Watch Out For

Good to Know

3-year contracts standard. Early termination fee = 75% of remaining months. Must call โ€” no online cancel. Send written cancellation via certified mail to ADT Security Services, PO Box 650823, Dallas, TX 75265.

How much is ADT Security really costing you?

ADT Security alone is $540/year. But the average person has 12 active subscriptions โ€” and most don't realize half of them are still charging.

Drop a bank statement and we'll instantly find every recurring charge โ€” with direct cancel links for each one.

Find All My Subscriptions โ€” Free Preview

Upload a CSV or PDF ยท See your charges free ยท Pay $5 only to unlock full details

Related Cancellation Guides

Cancel McAfeeCancel Norton AntivirusCancel Norton 360Cancel McAfee Total ProtectionCancel LastPass PremiumCancel SimpliSafe

Browse all 1,100+ services โ†’

Most Popular Cancel Guides

Cancel NetflixCancel SpotifyCancel Amazon PrimeCancel HuluCancel Disney+Cancel Adobe Creative CloudCancel Apple MusicCancel YouTube Premium

Helpful Resources

Done with ADT Security? Find what else you're paying for

People who cancel ADT Security save an average of $182/mo on subscriptions

Upload your bank statement and we'll find every recurring charge in 30 seconds. Most people find 3-5 subscriptions they forgot about.

Scan My Statement โ€” It's Free

No account needed ยท No bank connection ยท 1,000+ people have used JustCancel