Are Monitored Alarm Systems Worth the Monthly Fee in 2024?

TL;DR: Monitored alarm systems typically cost $20 to $60 a month on top of $200 to $600 in equipment, and the main thing you're paying for is a company that calls police or fire when a sensor trips, even if you're asleep or out of town. Most homeowners insurers knock 5% to 20% off premiums for a monitored system, which can offset $10 to $30 of that monthly fee. For a rental property, the math shifts because a landlord isn't home to react to an unmonitored alarm anyway.

_Last reviewed: July 2026 · 7 min read_

You've probably gotten the sales pitch: a free camera, a slick app, and then a contract that locks you into $45 a month for three years. The question isn't whether the system works. It's whether the monthly fee buys you something you can't get cheaper another way.

Okoniq Property Hub helps owners log alarm contracts, renewal dates, and monitoring costs alongside the rest of their property records so nothing auto-renews unnoticed.

What does the monthly fee actually pay for?

The fee pays for a live person or automated system watching your sensors around the clock and contacting emergency services when something trips. Self-monitored systems like a basic Ring or Wyze setup send a push notification to your phone, but if you don't see it, or you're on a plane, nothing happens. Professional monitoring companies like ADT, Vivint, or SimpliSafe's Interactive plan dispatch police or fire directly, usually within 30 to 60 seconds of a verified alarm.

That dispatch speed matters most for break-ins and fires when no one is home. A vacant rental or a second home where the owner might not check a phone for hours is exactly the scenario where paying $20 to $50 a month for monitoring earns its keep. If you're rewiring anything to support a hardwired system, it's worth confirming your panel can handle the load; see 100 vs 200 amp service if you're not sure what your service supports.

Does it actually lower your insurance premium?

Yes, most carriers offer a discount, typically 5% to 20% off the homeowners premium for a monitored system with police and fire dispatch. On a $1,200 annual premium, a 15% discount saves $180 a year, or $15 a month, which covers roughly a third to half of a typical monitoring fee. Some insurers require the system to include smoke and carbon monoxide sensors, not just burglary, to qualify for the full discount.

Ask your agent for the exact percentage before you sign a monitoring contract. Discounts vary by state and carrier, and a few require proof of a UL-listed monitoring station. If your home still has older wiring, an insurer may also want to see that outlets and panels meet current code; owners in older houses often deal with this alongside alarm upgrades, similar to the issues covered in 5 signs you still have knob-and-tube wiring.

Self-monitored vs professionally monitored: which fits your situation?

It depends on whether someone is reliably available to respond to an alert in real time. A self-monitored camera system costs $0 to $10 a month for cloud storage and works fine if you or a tenant is usually home and checks a phone quickly. Professional monitoring costs more but removes the "did anyone see the alert" problem entirely.

| | Self-Monitored | Professionally Monitored | |---|---|---| | Monthly cost | $0–$10 | $20–$60 | | Response | You call 911 yourself | Company dispatches automatically | | Best for | Owner-occupied, someone home often | Vacant rentals, vacation homes, elderly occupants | | Insurance discount | Rarely qualifies | Usually 5–20% | | Contract length | None typically | Often 1–3 years |

For a rented single-family home where the landlord lives across town, professional monitoring is usually the safer default because nobody local is watching notifications on your behalf.

What's the real cost over three years, and where do fees creep in?

The real cost is higher than the advertised rate once you add equipment, activation fees, and contract length. A typical three-year monitoring contract at $45 a month runs $1,620, plus $200 to $500 upfront for equipment that some companies bundle in and others charge separately. Cancellation before the term ends can cost $150 to $300 in early termination fees, so read the contract length before signing, not after.

Watch for rate increases too. Many providers raise monthly fees 5% to 10% annually after the first year, a detail buried in fine print. If your alarm system ties into smart locks or garage sensors, make sure those devices are on a circuit that won't trip a breaker during a storm, the same concern covered in 2-prong vs 3-prong outlets: how to upgrade safely for older homes running modern electronics.

Is it worth it for a rental property specifically?

For landlords, monitored alarms are usually worth it on vacant units and short-term rentals, less so on long-term leases where tenants control access daily. A vacant property between tenants is a common break-in target, and a monitored system with motion sensors can alert you and police before real damage happens. On an occupied long-term rental, tenants often prefer to manage their own security, and lease terms should specify who pays the monitoring fee if the system stays.

If you own multiple units, ask providers about multi-property discounts. Some monitoring companies cut the per-unit rate by 10% to 15% when you enroll three or more properties under one account, which can make the math work better than paying full retail on each one individually.

FAQ

How much does a monitored alarm system cost per month?

Most monitored plans run $20 to $60 a month, with basic DIY-installed systems like SimpliSafe starting around $20 and full-service professionally installed systems like ADT or Vivint running $40 to $60.

Do monitored alarms lower home insurance rates?

Yes, most insurers offer a 5% to 20% discount for a monitored system with police and fire dispatch, though the exact percentage varies by carrier and state.

Can I switch from self-monitoring to professional monitoring later?

In most cases yes, especially with systems like SimpliSafe or Ring that let you add a monitoring plan to existing hardware without buying new equipment, usually for an extra $10 to $20 a month.

Is a monitored alarm worth it for a vacant rental property?

Generally yes, since no one is on-site to notice a break-in or fire, and professional dispatch closes that gap; vacant properties are also statistically more likely to be targeted than occupied ones.

What happens if I cancel my monitoring contract early?

Most contracts charge an early termination fee, commonly $150 to $300 or a percentage of the remaining balance, so check the contract length (often 1 to 3 years) before signing.

This is educational information, not financial advice. Talk to your insurance agent about specific discount eligibility and consult the alarm provider's contract terms before signing.