How Much Does a Home Security System Cost in Stuart and Port St. Lucie? (2026)

The short answer: Nationally, most homeowners pay about $300 to $1,236 for a home security system, with $746 as a typical average, plus monthly monitoring that usually runs $10 to $65. A professionally installed system in Stuart, Palm City or Port St. Lucie lands in that range for a basic package and climbs with cameras, smart locks and fire detection. In South Florida, the features worth paying for are cellular communication, battery backup and local monitoring, because a system that drops offline when the power or internet goes out is not protecting anything.

Key takeaways

• Plan for two costs: what you pay up front (equipment and installation) and what you pay every month (monitoring).
• National averages put a full installed system around $750, with a normal range of roughly $300 to $1,250.
• Professional monitoring commonly costs $20 to $80 a month depending on features like video and smart home control.
• Monitored fire and burglary systems can qualify for a homeowners insurance discount, which offsets part of the monthly bill.
• If you already have an alarm, a takeover can save most of the equipment cost.

The two buckets: up-front and monthly

Every system has the same two cost buckets.

Up-front: the control panel or hub, door and window sensors, motion detectors, keypads, smoke and carbon monoxide detection, any cameras or smart devices, and the labor to install and program it all.

Monthly: 24/7 monitoring by a central station that dispatches police or fire when an alarm comes in, plus any app, video or smart home features.

The mistake most people make is comparing only one bucket. A “free equipment” offer usually means a long contract with a higher monthly rate. A cheap DIY kit can mean you are the monitoring center.

What a home security system costs, line by line

Sources: Angi and NerdWallet 2026 cost guides (see Sources).

Five things that move the price on the Treasure Coast

1. Communication path. Many older Florida alarms still report over a landline. Phone carriers are retiring copper lines, and a landline-only alarm is also vulnerable when lines go down in a storm. A cellular communicator, with Wi-Fi as a second path where it makes sense, costs a little more and is worth it.

2. Battery backup and storm readiness. Our systems are designed with hurricane-rated sensors and backup cellular communication so they keep working when the power and internet go down. That matters more here than in most of the country.

3. Fire and carbon monoxide detection. Monitored smoke and CO detectors add to the equipment list, but they also tend to unlock the larger insurance discounts. See our guide to fire and smoke detection.

4. Cameras and doorbells. Video is the fastest way to double a project budget. Decide where cameras actually earn their keep: front entry, driveway, back lanai, side gates. Our security camera installation cost guide breaks this down.

5. Smart home extras. Smart locks, thermostats, garage door control and lighting all run through the same app. They add convenience, and a little cost per device. See smart home automation.

Professional install vs. DIY kit

DIY systems have their place, especially in a small condo or a rental. For a single-family home on the Treasure Coast, professional installation tends to win on four points:

• Coverage design. A technician walks the property and covers every entry point, not just the ones that came in the box.
• Wired and hardwired options. Some homes are prewired for an alarm. Reusing that wiring is reliable and often cheaper. Our wired vs. wireless guide explains the tradeoffs.
• UL-listed central station monitoring. Insurers generally require a UL-listed central station for a discount. Self-monitored systems usually do not qualify.
• Local service. When a sensor fails after a storm, you want a technician who lives here, not a support ticket.

Already have an alarm? Start with a takeover

If your home has an existing system from a previous owner or another provider, you may not need to buy much new equipment. Group One can take over and monitor most existing alarm systems: we reprogram the panel to our UL-listed monitoring, test everything, and you keep the gear you already own. That can cut the up-front cost dramatically. Read how alarm takeovers work or see upgrades and takeovers.

Hidden costs to ask about before you sign

• Contract length and cancellation terms. Many national providers require three-year or longer contracts for professionally installed systems.
• Activation or installation fees. Ask whether they are included in the quote.
• Price increases. Ask how and when the monthly rate can change.
• False alarm fees. Many local governments charge for repeated false dispatches, so good installation and user training matter.
• Equipment ownership. Ask who owns the equipment if you cancel or sell the house.

Frequently asked questions

How much does a home security system cost per month?
Professional monitoring generally runs about $20 to $80 a month, depending on whether you add video, smart home control or extra communication paths. Self-monitoring can be free but leaves you responsible for calling 911.

What is the average cost to install a home security system?
National cost data puts the average around $746, with most homeowners paying between about $300 and $1,236.

Is a home security system worth it in Florida?
For most homeowners, yes, especially with monitored fire detection and cellular backup. A monitored system can also qualify for a homeowners insurance discount that offsets part of the monthly cost.

Will a security system work during a hurricane power outage?
A properly designed system has a backup battery and a cellular communicator, so it keeps reporting when power and internet are down. Ask any provider how long the battery lasts and what happens if cell service is interrupted.

Can I keep my existing alarm equipment?
Often, yes. A takeover reprograms your current panel to a new monitoring center, so you can switch providers without replacing everything.

Get a real number for your home

Every home is different, so the most accurate price comes from a quick walkthrough. Group One is family-owned in Stuart, has protected Treasure Coast homes since 1984, and uses our own licensed technicians, never subcontractors. Request a free in-home quote or call 772.283.2320.

Sources
– Angi, How Much Does Home Security System Installation Cost? (2026): https://www.angi.com/articles/how-much-does-it-cost-install-home-security-system.htm
– NerdWallet, How Much Does a Home Security System Cost in 2026?: https://www.nerdwallet.com/home-ownership/home-security/learn/how-much-does-a-home-security-system-cost
– NerdWallet, ADT Home Security Review 2026 (contract terms): https://www.nerdwallet.com/home-ownership/home-security/reviews/adt