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Top-Rated Home security system pros in Princeton - Updated Nov 2026

Avatar for Guard Dog Surveillance Systems
Guard Dog Surveillance Systems
4.2(
23
)
Surveillance Cameras - Install or Repair - For Business

Serving Princeton, WI and surrounding areas

Approved

In business since 2001

Free estimates

Warranties offered

"About 4 years ago we had a video surveillance system installed by a company in Ripon, Wi. It constantly had problems. It got to the point that the owner/installer would not return calls. Brian replace the system with an excellent system that works perfectly. Brian is very knowledgeable an professional in every way. I would recommend him to anyone."
Night Surveillance
Day Time Surveillance
Understanding Camera Resolution and why it matters
Business Peace of Mind
A closer look

+4

Response time2 days
2 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Trifecta Access Controls, LLC.
Trifecta Access Controls, LLC.
5.0(
2
)
Alarm or Security System - InstallAlarm or Security System - Install - For BusinessAlarm or Security System - Monitor+2 more

Serving Princeton, WI and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

Trifecta Access Controls, LLC., is a locally/owner run and operated company with over 20 years experience. We specialize in all facets of home security and audio visual and computing. We understand the value of building life long relationships with our customers. Commercial and residential projects welcome. Prompt reply to your request. Call today for a free estimate 262-757-5170. \n \nGated Entries * Surveillance * Home Theatre * Alarm Systems * and Much More!!!

Near Madison
Another Gate in the Madison area.
Freshly installed pivot gate system.
Outside photo of the same gate as above.
Commercial Slide Gate

+2

Response time1 day
Recommended by100%of homeowners
Avatar for Protect Your Home
Protect Your Home
2.6(
6
)
Alarm or Security System - InstallAlarm or Security System - Monitor

Serving Princeton, WI and surrounding areas

Approved (Corporate)

In business since 1998

Free estimates

Credit card accepted

Protect Your Home is a leader in the home security industry, providing safety and peace of mind to more than 1.5 million families nationwide. Since we emerged in 1998, we've grown from a company of few to having over 2,000 high performance team members, three locations in Indianapolis, a sales center in Kentucky, and over 128 field branches across the country—and we're still growing. \n \nFor nearly 20 years, Protect Your Home has partnered with ADT®, the #1 name in home security. Today, with our national reach, we are one of ADT's biggest partners and the only partner to be designated as an Authorized Premier Provider. \n \nOur commitment to serving others combined with our projects, events, and culture contribute to the development of our team professionally, personally, and financially. \n \nIt's our mission. It's who we are. It's our legacy. \n

SA and Homeowner
Recommended by100%of homeowners
Avatar for CSI Secure Solutions
CSI Secure Solutions
4.4(
114
)
Alarm or Security System - InstallAlarm or Security System - Install - For BusinessAlarm or Security System - Monitor+5 more

Serving Princeton, WI and surrounding areas

In business since 2001

Free estimates

Emergency services offered

"I communicated with Rob Calbo for services of a background check with CSI Secure Solutions and he was fantastic.
He spoke with me in a very professional manner and put me at ease right away.
The process was seamless and my request was delivered very efficiently. Within just a few hours of providing them with information, I was able to get feedback. Rob took the time to speak with me and answered all of my questions. 
I will definitely be using them again in the future should the need arise, and I would definitely recommend them as being very efficient, professional and reliable.

"
Background Checks
Employee Check
Background Report
Surveillance
Infidelity Monitoring

+12

Recommended by85%of homeowners
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Home Security Systems FAQs, answered by experts

This is the topic of much debate, though there is no “better,” as it depends on personal preferences. Some of the components of a wireless system keep working when the power goes out, as they are battery-powered. On the other hand, a wireless system typically connects to your modem and router. Wired systems use landlines to communicate, which never go out on their own unless they’re physically cut.

It depends on the type of sensor your home security system uses. If it’s a motion detector, any moving thing could set it off, from a roaming pet to a wind-blown curtain. Contact sensors would be triggered by the window being opened or moved. Also, be aware that any sensors placed too close to your vents could trigger false alarms whenever your heat or air conditioning is running.

Standard residential deadbolt locks come with a steel bolt that locks your door into place using a key (or keypad) on one side and a thumb turn on the other. When you lock it, the bolt slides into a strike plate on your door jamb to secure your door shut.

Grounding is a great first step to prevent electrical shock, but you can take it further with GFCI outlets and AFCIs (arc fault circuit interrupters). In particular, AFCIs help protect against the type of electrical arcs that cause fires, like if a mouse chews on a wire or your laptop starts overheating at the wall. These are required in some areas of your home.

Some but not all security cameras have monthly fees, depending on the specific camera system and the services offered with it, especially monitored vs. unmonitored security systems. Home security companies that offer monitoring services along with cameras will charge a monthly fee for monitoring and possibly for using the security cameras. Cameras that you monitor yourself as part of your own security system will not have monthly fees charged.

The Princeton, WI homeowners’ guide to home security system services

From average costs to expert advice, get all the answers you need to get your job done.