Manage ADT Security

How to cancel ADT security and avoid early termination fees

Why you need to cancel ADT security the right way

Canceling ADT Security is not as simple as logging into an app or clicking a button. Unlike most modern services, ADT requires you to initiate cancellation by phone, and the company will likely ask you to confirm your request in writing. If you do not follow the exact process, your account may remain active, your billing may continue, and you could face unexpected early termination charges. At Stopee, we have helped thousands of consumers navigate tricky security contracts and escape unwanted charges, and we know that getting cancellation right the first time saves you money and stress.

This guide walks you through every step of canceling ADT Security, explains your legal rights, reveals the traps to avoid, and shows you how to document your cancellation so billing actually stops.

What ADT security offers and why contracts are complex

ADT Security is a nationwide residential and commercial alarm monitoring provider that offers professionally monitored alarm systems, do-it-yourself equipment packages, video surveillance, environmental sensors, and a mobile app for account management. The company bundles monthly monitoring plans with equipment packages, and frequently ties equipment discounts or professional installation to multi-year monitoring contracts. These contracts range from month-to-month flexibility to agreements locked in for 2, 3, or even 5 years. When you sign up for a discount on installation or equipment, you are often accepting an early termination fee if you cancel before the contract expires. That fee structure is where most cancellation disputes begin.

ADT's pricing structure and what you are paying for

ADT's pricing varies widely depending on whether you choose self-installation or professional setup, and whether you add video or premium monitoring features. Here is a snapshot of typical pricing:

The key point: if you received a discount on equipment or installation, your contract term is almost certainly longer than month-to-month, and canceling early will trigger a termination fee. Stopee recommends that you pull your original contract or billing statement immediately so you know exactly what term you agreed to and what that early exit will cost.

Why customers cancel ADT security

Understanding the reasons people cancel helps clarify whether cancellation is the right move for you and how to prepare your case if you want to dispute an early termination fee.

The most common reasons for cancellation

Customers end ADT contracts for clear, repeatable reasons. You may be moving to a new home or apartment and want to transfer your system or avoid paying for a service at a property you no longer occupy. You might have found a competitor offering lower monthly rates or better features. Dissatisfaction with service quality, false alarms, missed monitoring alerts, or poor technician performance drives many cancellations. Some customers simply cannot or will not continue paying the recurring monthly fee. Others bought a home with an existing ADT system and want to switch providers or discontinue monitoring altogether. A few customers dispute early termination fees outright, believing the charges are unfair or undisclosed at signup.

Real customer experiences with ADT cancellation

Public complaint forums and consumer review sites reveal consistent patterns. Many customers report that cancellation attempts went nowhere because billing continued weeks or months after they called to cancel. Others describe being transferred multiple times, receiving inconsistent information about whether their request was approved, or being told they could not cancel due to an active contract. Some customers were surprised by early termination fees they did not remember agreeing to. On the positive side, customers who persisted, documented their cancellation requests, and escalated to supervisors often received account credits or had fees waived after the company reviewed the file. These wins underscore that a formal, written approach works better than a phone call alone. At Stopee, we emphasize documentation because it is your proof if the company disputes the cancellation later.

Your legal rights when canceling ADT security

Federal and state law provide you with protections, even when you signed a multi-year contract with an early termination fee.

Federal trade commission regulations and the telephone sales rule

The Federal Trade Commission enforces rules that require security companies to be clear about contract terms, cancellation policies, and fees at the time of sale. If ADT did not disclose the early termination fee clearly or did not obtain your affirmative consent to the contract term, you have grounds to dispute the fee or cancel without penalty. The TSR also requires that companies honor a cancellation request within 30 days. If you submitted a cancellation and ADT continued billing you after 30 days passed, that is a violation you can report to the FTC or your state Attorney General. Stopee recommends that you save every email, text, or confirmation number ADT provides, because these records prove you initiated cancellation within the legal window.

State law protections and local enforcement

Many states have their own security system or alarm monitoring laws that require clearer disclosures, shorter notice periods, or limits on termination fees. Some states allow you to cancel without penalty if you move to a state where ADT does not serve your new address. Your state Attorney General's office or your local consumer protection agency can advise you on state-specific rules. If ADT refuses to cancel or disputes your cancellation after you have submitted it in writing, you can file a complaint with your state Attorney General or file a report with the FTC at reportfraud.ftc.gov. Stopee emphasizes that these agencies take cancellation disputes seriously and often compel refunds or service adjustments when a company has overstepped.

How to cancel ADT security step by step

Canceling ADT Security requires you to make a phone call, and then follow up with written confirmation. Do not skip the written step; phone calls alone create a "he said, she said" situation if billing does not stop.

Step 1: call ADT customer service to initiate cancellation

1. Dial 1-800-238-2727 (also advertised as 1-800-ADT-ASAP) or 888-392-2039 depending on your contract type.
   • Customer service lines are open during standard business hours. Call during early morning or late afternoon to minimize wait times.
   • Have your account number ready; you can find this on your latest bill or in the ADT app.
   • Request a cancellation. Do not say you want to "pause" or "suspend" service; use the word "cancel."
2. Tell the representative your reason for cancellation (moving, cost, poor service, etc.), but do not over-explain or argue. Keep it brief and professional.
   • The representative may offer you a discount or a trial period to keep you as a customer. Decide in advance whether you want to accept or decline.
   • If you want to cancel, politely but firmly repeat: "I want to cancel my service, please."
3. Ask the representative for a cancellation confirmation number and write it down immediately.
   • Pro tip: If the representative seems uncertain about the cancellation, ask to speak to a supervisor or escalation team.
   • Request the email address or mailing address where you should send your written cancellation confirmation.
4. Ask about any early termination fees and request the exact dollar amount in writing or via email.
   • If the fee surprises you or seems wrong, tell the representative you will dispute it in your written confirmation.
   • Note the name and ID of the representative you spoke with.

Step 2: submit your cancellation request in writing within 3 business days

1. Send a cancellation letter or email to ADT using the address or email the representative provided.
   • If you were not given an email address, use certified mail to the billing address on your account or visit adtsupport.com for a contact form.
   • Warning: Do not rely on email alone if you have a multi-year contract. Use certified mail so you have a delivery receipt.
2. Include the following in your written cancellation:
   • Your full name and account number.
   • The date you called to request cancellation and the confirmation number.
   • The name of the representative you spoke with (if you noted it).
   • Your requested cancellation effective date (today's date or the date the contract allows).
   • A simple statement: "I am requesting cancellation of my ADT Security monitoring service effective immediately" or on a specific date.
   • A request for written confirmation of the cancellation and the final bill amount.
3. Keep a copy of your letter and a photo or scan of the certified mail receipt if you use postal mail.
   • If you email, request a read receipt or reply confirmation from ADT.
4. Follow up with another phone call 5 to 7 business days after sending your written request to confirm ADT received it and the cancellation is processed.
   • At this point, reference your confirmation number, the date you mailed or emailed, and ask for the case number assigned to your cancellation.

Step 3: monitor your account and billing after cancellation

1. Check your credit card or bank statement 2 weeks after your intended cancellation date.
   • ADT should stop charging you on or before your effective cancellation date. If charges continue, contact ADT immediately and cite your written cancellation request and confirmation number.
2. Keep all receipts, emails, cancellation numbers, and correspondence in a folder or digital file for at least one year.
   • Pro tip: Screenshot or forward copies of emails to yourself as a backup.
3. Request a final bill from ADT to confirm the account is closed and no additional monitoring charges are pending.
   • If ADT assessed an early termination fee, review it carefully against your original contract.

Common mistakes when canceling ADT security

Canceling a security contract is stressful, and it is easy to make a mistake that leaves your account open or your billing active. Here are the pitfalls to avoid.

Relying on a phone call alone

The biggest mistake is assuming that a phone call to customer service is enough to cancel. ADT has no obligation to act on a verbal request if your contract requires written notice. By the time you realize billing is still happening, weeks may have passed, and you will have a harder time proving you called to cancel. Always send written confirmation via email or certified mail, and always save the confirmation receipt or read receipt.

Accepting automatic renewal traps

Some ADT contracts auto-renew at the end of the term unless you submit notice to cancel within a specific window (often 30 to 60 days before the contract end date). If you do not track your contract renewal date and miss the notice deadline, your contract renews automatically for another term, locking you in again. Set a calendar reminder 90 days before your contract end date so you never miss the renewal window.

Negotiating the early termination fee without understanding your legal rights

If an ADT representative tells you that you owe an early termination fee, do not immediately accept that statement as fact. Ask for the exact amount, the contract clause it is based on, and the remaining contract term. If the fee seems wrong or if you did not knowingly agree to it, tell the representative you will dispute it in your written cancellation. Then follow up with your state Attorney General if ADT refuses to waive or negotiate the fee.

Ignoring billing after cancellation

After your cancellation is supposed to take effect, many people assume the billing stops automatically. It does not always. Check your statement at least twice after the cancellation date to confirm no charges appear. If charges continue, contact ADT immediately with your cancellation confirmation number and demand a credit for any post-cancellation charges. Document this correspondence and escalate to the FTC if ADT refuses.

What happens after your ADT security cancellation is approved

Closing an ADT account involves more than stopping billing; you need to handle equipment, monitoring, and final billing.

Your equipment after cancellation

ADT will likely ask you to return any rented or leased equipment (control panel, sensors, camera hardware, etc.) within 7 to 30 days of your cancellation. If you purchased equipment outright, it is yours to keep. Check your original contract to clarify which equipment is rented versus owned. Return rented equipment to the address ADT provides. Use tracked or insured shipping if the equipment is valuable. Keep a shipping receipt. If ADT claims they did not receive the equipment and charges you a non-return fee, you will have proof of shipment to dispute it.

Deactivation of monitoring and alarm codes

Once your cancellation is effective, ADT will deactivate your alarm code and remove your account from their monitoring network. If you are selling your home or moving to a rental, inform the new owner or landlord that the ADT system will no longer be monitored by ADT after your cancellation date. They will need to set up their own monitoring or remove the equipment entirely.

Final billing and refunds

ADT will send you a final bill reflecting charges through your cancellation date, minus any credits or adjustments for early termination fees that were waived or disputed. If you prepaid any months in advance, ADT should refund the unused portion within 30 days of cancellation. If no refund appears within 45 days, contact ADT billing and request it explicitly. If ADT refuses, file a complaint with your state Attorney General or the FTC. Stopee has seen numerous cases where a formal complaint prompted a refund that customer service would not authorize verbally.

Early termination fees and how to dispute them

Early termination fees are the biggest financial threat when canceling ADT Security. Here is how to understand and challenge them.

How ADT calculates early termination fees

ADT typically calculates an early termination fee as a percentage of the remaining contract value or as a fixed amount per remaining month. For example, if you have a 36-month contract at $35 per month and you cancel after 12 months, you have 24 months remaining. ADT might charge you 50% of $35 times 24 months, or roughly $420. The exact formula should be spelled out in your contract. If your contract does not clearly state the fee structure or if you believe ADT failed to disclose it at signup, you have grounds to dispute it.

When you can challenge or waive the early termination fee

You may be able to avoid or reduce an early termination fee if any of the following applies:

• You are moving to an address outside ADT's service area (this is allowed in many states).
• ADT failed to clearly disclose the fee in your original contract or sales materials.
• You did not receive affirmative confirmation of the contract term before you were billed.
• ADT failed to provide the service level promised in your contract (missed monitoring alerts, poor technician quality, repeated false alarms).
• You are a member of the military and are being relocated (federal law may protect you).

If any of these circumstances apply, state your claim clearly in your written cancellation request and ask ADT to waive the fee. If ADT declines, escalate to your state Attorney General with a copy of your contract and a written explanation of why you believe the fee is unfair or illegal. Stopee recommends that you also file a complaint with the FTC at reportfraud.ftc.gov so that pattern data on ADT's practices is captured at the federal level.

Your cancellation checklist for ADT security

Use this checklist to ensure you complete every step and collect every piece of documentation you need.

Summary: take action now with stopee

Canceling ADT Security requires patience, documentation, and persistence. You cannot cancel online or through the app; you must call customer service and follow up with written confirmation. Early termination fees are real and often substantial, but they may be negotiable or challengeable if ADT failed to disclose them clearly. Keep every confirmation number, email, and piece of correspondence in a safe file. If billing does not stop or if ADT assesses an unjustified fee, escalate to your state Attorney General or the FTC.

The good news is that thousands of consumers cancel ADT successfully every year by following these steps carefully. Stopee has helped thousands of consumers cancel unwanted subscriptions and security contracts, and we know that the combination of a phone call, a formal written request, and careful follow-up works. If you are frustrated with ADT's service, costs, or contract terms, do not hesitate to cancel. Your safety and peace of mind matter, and so does your money.

Start your cancellation today by calling ADT at 1-800-238-2727. Document every step, send your written request, and monitor your account closely. Stopee and consumer advocates across the country stand ready to help if you encounter resistance or unfair fees. You have the right to cancel, and you have the law on your side when you follow the process correctly.

ADT security mailing address for cancellation requests

If ADT customer service does not provide you with a specific cancellation address or email, use the general mailing address below for your certified cancellation letter:

ADT Security Services, Inc.
Customer Service Department
6500 N. Mccormick Road
Chicago, IL 60659

Alternatively, you can attempt to send your cancellation request through ADT's website at adtsupport.com or look for a customer care contact form. Always retain proof of your submission, whether that is a delivery receipt, read receipt, or case number issued by ADT's support portal.