Guides
Monitored vs. Self-Monitored Alarms
Monitored and self-monitored alarms both use sensors and a control panel. The difference is who sees the alarm signal, and what happens next.
What “monitored” means
A monitored alarm sends a signal from your panel to a central monitoring station when a sensor trips. A trained operator can then follow the account instructions, usually by calling the site to verify the alarm before dispatching police or fire and notifying the customer.
That is alarm monitoring. It is not the same thing as a security guard, and it is not the same as a camera app on your phone. If you want a plain explanation of the service itself, start at 24/7 burglar alarm monitoring.
Some systems use cellular or dual-path communication so the panel can still reach the monitoring station if one path fails. Equipment, contract terms, and local rules all affect what you actually get.
What “self-monitored” means
A self-monitored alarm sends alerts to you, not to a central station. You may get a text, app notification, or phone call from your own equipment, then you decide whether to call police, fire, or a neighbor.
That can work for some people, especially if someone is usually available and the property is small. But it also means the system depends on you noticing the alert, having phone service, and being able to act quickly.
Self-monitoring is not automatic professional dispatch. If you are away, asleep, or your phone is off, the alert may not help much.
Main differences to compare
Think about three steps: signal, verification, and dispatch. In a monitored system, the sensor trips, the panel signals the central station, and an operator may verify before dispatching emergency services. In a self-monitored system, the signal goes to you first, and you handle the rest.
Cost is also different. Self-monitoring is often cheaper month to month, but the price can rise if you need better hardware, cloud storage, or extra user accounts. Monitored plans may cost more each month, often somewhere in the range of about $20 to $60+ for basic residential monitoring, with small-business or dual-path plans sometimes higher. Those are ranges, not quotes.
The real number depends on equipment, the monitoring contract, and the area. Some providers bundle installation, some do not. Some contracts are month-to-month, while others lock you into long auto-renewing terms.
Common sales tactics to watch for
Alarm shopping can be messy. Be careful with “free” equipment offers that hide expensive monitoring lock-in, door-to-door pressure, vague cancellation language, and long auto-renewing contracts that are hard to exit.
Ask direct questions before you sign:
- Is the system professionally monitored, or only self-monitored?
- Does the plan use cellular, landline, or dual-path communication?
- Is there a required contract term?
- How do I cancel, and is notice required in writing?
- Are there monthly fees, installation fees, app fees, or permit costs?
Also check local rules. Some states license alarm-company solicitation, and requirements vary by state.
How Signal Watch Central helps
Signal Watch Central is a free education and matching service. We are not an alarm company, a monitoring center, or a UL-listed central station. We do not install or monitor alarms, and we do not guarantee any result.
We help you find a monitoring provider near you and explain what to ask before you buy. If a provider wants to contact you, that contact should happen only with your prior express written consent, such as an unchecked box you choose to tick. Consent is not a condition of any service, and you can opt out at any time.
We are paid a flat marketing fee by participating providers. The service is free to you. To compare options, start at get matched.
For households and small businesses
For a home, self-monitoring may fit if someone is usually present and you want a lower monthly bill. Monitored service may fit better if you want a central station to handle the signal path and verification process.
For a small business, the decision often depends on opening hours, staffing, insurance requirements, and whether you need burglary, fire, or both. Fire alarm monitoring can involve different rules, permits, and inspection steps than burglary monitoring. False-alarm fees may also apply in some cities.
If you want more background, browse the learning center.
Monitored alarms send signals to a central station for verification and possible dispatch, while self-monitored alarms only alert you, so the right choice depends on cost, timing, and how much handling you want to do yourself.
Common questions
Does a monitored alarm call the police automatically?
Usually there is a verification step first. A sensor trips, the panel sends a signal to the central station, and a trained operator may call the site or contacts before dispatching police or fire, depending on the account rules and local policy.
Is self-monitoring cheaper than professional monitoring?
Often yes on the monthly bill, but not always overall. The real cost depends on the equipment, app or cloud features, installation, and whether you later need a contract or add-on services.
Can I switch from self-monitored to monitored later?
Often you can, but it depends on the panel, communicator, and provider. Check whether the system supports central-station signaling, especially cellular or dual-path communication.
Will a monitored alarm guarantee safety?
No. No alarm system can guarantee safety or prevent every burglary or fire. Monitoring is one layer in a larger plan that also includes detection, maintenance, and following local rules.