Canceling ADT can be a frustrating process, known for long hold times and aggressive retention tactics. To cancel, you must call their customer retention department at 1-800-238-2727.
To cancel your ADT service without paying an early termination fee, you must either qualify for a specific penalty-free window, leverage contract protections, or reach the end of your initial term.
Canceling ADT is notoriously difficult because the company enforces strict, multi-year contracts, charges steep early termination fees, and requires you to navigate a persistent customer retention team by phone.
You can cancel your ADT contract at any time, but if you are still within your 36-month (or 24-month in California) initial agreement, you may be charged an early termination fee of roughly 75% of your remaining balance.
When you cancel your ADT service, your physical alarm panel will continue to function as a local siren and noisemaker, but it will no longer contact ADT or the police.
What you should do with your ADT equipment depends on whether you lease the hardware or bought it outright. Failing to return leased equipment can result in hefty non-returned fees (up to $500 per item).
Side effects of ADT
Side effects may include: tiredness that doesn't go away with rest (fatigue) reduced sex drive (low libido) difficulty getting an erection (impotence)
Fees for Early Termination With ADT
You won't be on the hook for the balance of your contract, but you will have to pay 75 percent of what the remainder would be, due in full upon the termination date. That includes monitoring and equipment fees, which adds up quickly.
Pro install starts at $45.99 per month. †Requires system purchase and pro monitoring plan (one month minimum) w/ADT Self Setup starting at $34.99 OR pro install w/36-month monitoring contract starting at $56.99/mo.
Yes, you can use ADT without a subscription, but your options depend on the equipment type.
Yes, ADT is currently facing multiple class action lawsuits, most notably a large-scale data breach lawsuit filed in April 2026 alleging that a cyberattack exposed the private information of millions of customers.
You can unplug your ADT system, but simply pulling the plug won't instantly shut it off. Because of built-in security features, the system has a backup battery that will keep running, and it will likely trigger beeping alerts.
6-Month Service Guarantee - Refunds the installation price and pays all monitoring fees if, after we have attempted to resolve your concerns, you are not satisfied within six months of installation.
If you're canceling ADT because of high monthly fees or long contracts, you're not alone. Many people switch to home security systems with no contracts, lower monthly costs, and easier setup. Fortunately, it's easy to find top-rated home security systems that don't require long-term commitments.
Canceling ADT can be a frustrating process, known for long hold times and aggressive retention tactics. To cancel, you must call their customer retention department at 1-800-238-2727.
However, if your alarms are wired into your home and you're not skilled or comfortable with electrical work, it's time to hire an electrician. A professional electrician can ensure the system is fully deactivated and that all components are removed safely.
For cheaper home security, top DIY and contract-free brands like SimpliSafe, Ring, and Cove offer better affordability than ADT. You'll save heavily on both upfront equipment and monthly professional monitoring, avoiding the long-term contracts and steep installation fees that come with ADT.
ADT does not offer a standalone "senior discount," but seniors aged 50+ who are AARP members receive 5% off monthly professional monitoring services. To redeem this, you must call ADT directly (e.g., at 1-800-973-0958) and provide your AARP membership number.
To lower your ADT bill, call their retention department, leverage competitor pricing, and be prepared to negotiate.
No. ADT cancellation must be done by phone. Call 800-238-2727 during business hours. Online cancellation is not available.
ADT packages start at $199, after discounts. Monthly professional monitoring starts at $24.99, while the top-tier plan starts at $39.99. If you opt for professional installation, you'll need to pay a $100 fee and expect a three-year contract.
When you cancel your ADT subscription, you won't lose your physical hardware, but you will lose access to professional monitoring and most smart app features. What exactly happens depends on your hardware, your contract, and how you decide to proceed.
BACKGROUND. ADT is a type of hormone therapy that is commonly given alongside radiation to slow the growth of prostate cancer by lowering testosterone. While effective at controlling the disease, long-term ADT can cause side effects, including bone loss, muscle loss and cardiovascular problems.
Whether you are referring to Abstract Data Types in computer science or ADT Security services, the primary drawbacks center around performance overhead, high costs, and restrictive contracts.
Pro Monitoring is a service offered by ADT as part of our comprehensive security offering to help give you peace of mind knowing your family, pets, home and/or small business are safe. ADT's professional monitoring is there for you, around the clock, every day because your safety deserves 24/7 protection.