Best home security system pros near Decatur, MI

Q: Can you install a security system in an old house?

• <div><p>Yes, you can install a home security system in an old house. In fact, you can install a security system in any home. Some wiring may need to be added, but most home security systems do not require a lot of additional wiring. Wireless security systems can easily be installed with minimal additional wiring, if any at all. Most wireless security systems can be monitored and controlled from your smartphone, and the cameras and sensors operate on batteries.</p></div>

Q: Should I change my locks after buying a house?

• <div><p>Yes, you should always change your locks after buying a house. Do so as soon as possible after you move in. Otherwise, you won&rsquo;t know who has working keys to the property, whether they&rsquo;re spare keys or otherwise. If an intruder gains access to your house with a key, it may not be covered under your <a href="https://www.angi.com/articles/how-to-get-know-your-homeowners-insurance.htm">homeowners insurance</a>.</p></div>

Q: What are the pros and cons of a DIY video surveillance system?

• <div><p>With the popularity of <a href="https://www.angi.com/articles/how-to-install-security-cameras.htm">DIY security cameras</a> and video surveillance systems, it&rsquo;s important to understand the benefits and potential drawbacks to decide if it&rsquo;s the right choice for you. Advantages and disadvantages include:</p><p><b>Pros</b></p><ul><li><p>Video footage readily available</p></li><li><p>Reduced home insurance</p></li><li><p>Save on labor costs by installing security cameras yourself</p></li><li><p>Wireless systems are easy to move and set up</p></li><li><p>Monitor from your smartphone</p></li><li><p>Avoid false alarms</p></li></ul><p><b>Cons</b></p><ul><li><p>Features may be vulnerable to hackers</p></li><li><p>No direct link to authorities</p></li><li><p>Risk of installing the system improperly, reducing its effectiveness</p></li></ul><p></p></div>

Q: Do you need to change your locks when you move to a new home?

• <div><p>Yes, most pros encourage you to change your locks when you move into a new home. While the previous owner may hand you their keys, you have no way of knowing whether other copies exist elsewhere. Changing your locks as soon as you move in is a great way to ensure that you can enjoy new, fully functioning locks that will work with your unique key or code.</p></div>

Q: Are keyless door locks safe to use?

• <div><p>In general, keyless door locks are considered safe, and their security depends on the type and quality of the lock. They cannot be picked like a traditional lock and often include added features like biometric access, PIN codes, and smartphone connectivity, which can make them more secure. However, they are not without risks. Potential vulnerabilities include hacking for Wi-Fi-connected models, battery failure, power outages, and technical malfunctions. To maximize security, it is important to choose a reliable brand, stay on top of software updates, and perform regular maintenance. While the risks are different, keyless locks are not considered more dangerous than traditional locks.</p></div>

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Verified Reviews for Home Security System Service pros in Decatur, MI

*The Angi rating for Home Security System Service companies in Decatur, MI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Home Security System Service needs.

*The HomeAdvisor rating for Home Security System Service companies in Decatur, MI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Home Security System Service needs.

Last update on September 09, 2026

Reviewed in September 2026
They did an amazing job on my home. Well priced and they we very friendly and informative on what they were doing. Did very well paying attention to detail as well! I would definitely hire them again
Dirt Kickers LLC
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Reviewed in November 2025
I was late in getting the exterior of my home cleaned, and it had quite a bit of build up. The first contact I reached out to was already closed for the season. I called Josh and he was able to quickly get me a quote and come out and service my home late in the season. He provided fast,...
DiamondShine Pressure Washing
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Reviewed in July 2025
They have done great work for me numerous times, always prompt and on time and always do what they can do as fast as they can, I’ve never waited days to come and help me with whatever I have needed and I have 3 homes so I have used them alot for different things and never have they left me...
L and B Plumbing
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Reviewed in March 2025
I needed to have tie down work done on a mobile home already on its foundation. William was able to find a solution when the engineer's fixes were not feasible. He even found and repaired issues inspectors missed. His prices and payment are very reasonable and the work was done in as timely a...
William Matheson
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Reviewed in February 2025
My home has never been cleaner. Thanks to her, my home looks brand new. Everything was deep cleaned down to the baseboards. Spotless!
True Expertise, LLC
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Reviewed in November 2024
We needed help getting our main living areas painted ie. walls, ceilings and trim while we were moving into our home. Wouldn?t have been able to get it all done without Tim. Quality work and timely!!
His Brush Painters
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Reviewed in February 2024
Kyle and crew are prompt, do good work and have fair prices, Kyle helped me work on my garage in his spare time without charging anything, I then had him roof my home and it turned out great.
A+ Quality Home Improvements
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Reviewed in November 2023
Very satisfied with the work Pure Built Homes did in our home. We had them remodel multiple rooms in our home. They communicated well throughout the project and responded quickly to my questions. Everyone we worked with was friendly, honest and knowlegable. The quality and craftsmanship of their...
Pure Built Homes
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Reviewed in August 2023
they are wonderful they i stalled a whole new air-conditioning and furnace in our home weâ re very pleased with the work and the company the owner of the company was there with them the whole install and was happy to answer any questions we had
La Familia HVAC, LLC
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Reviewed in June 2023
They were able to remove a raccoon from under my home. So, I’m happy with that.
Lakeshore Wildlife
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Top-Rated Home security system pros in Decatur - Updated Nov 2026

SafeStreets - ADT Authorized Provider

4.8(

320

)

Alarm or Security System - InstallAlarm or Security System - Install - For BusinessAlarm or Security System - Monitor+5 more

Serving Decatur, MI and surrounding areas

Approved (Corporate)

In business since 2010

Free estimates

Emergency services offered

"SafeStreets Home Security was a lifesaver! They had to troubleshoot my 3 floor townhouse unit, requiring many trips up and down the stairs. Finally determined that I needed an entire new alarm system but had all the parts and equipment available. Helped me program the app and set my security codes."

4 neighbors recently requested a quote

Recommended by94%of homeowners

Surveillance Cameras - Install or RepairAlarm or Security System - InstallAlarm or Security System - Repair+5 more

Serving Decatur, MI and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1874

Free estimates

Emergency services offered

"ADT’s system is fantastic! The security features are top-of-the-line, and the home automation integration is so convenient. I love being able to control everything from my phone. The customer service team is also very helpful. 10/10!"

+35

35 neighbors recently requested a quote

Recommended by88%of homeowners

Alarm or Security System - InstallAlarm or Security System - RepairAlarm or Security System - Repair - For Business+3 more

Serving Decatur, MI and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Small jobs welcome

We bring over 12 years of experience in commercial networking, low-voltage wiring, system upgrades, and building automation installs. Our team handles everything from structured cabling and concealed wiring to smart tech integration and surveillance systems. Dependable, efficient, and built to scaleour work keeps your operations running smoothly.

Response time1 day

1 neighbors recently requested a quote

Alarm or Security System - InstallAlarm or Security System - Monitor

Serving Decatur, MI 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 countryand 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

Recommended by100%of homeowners

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Southwest Washing Solutions LLC

5.0(

)

Surveillance Cameras - Install or Repair

Serving Decatur, MI and surrounding areas

Approved

Free estimates

Small jobs welcome

Offers commercial services

I am a family man who enjoys coaching my kids sports teams and teaching them about the great outdoors. Activities we enjoy together are hunting, fishing, bike rides, swimming, hiking, and more.

+39

12 neighbors recently requested a quote

Alarm or Security System - InstallAlarm or Security System - Install - For BusinessAlarm or Security System - Monitor+7 more

Serving Decatur, MI and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"I self installed our FrontPoint system. It went smoothly and my questions were answered efficiently and professionally by the FrontPoint staff. I would highly recommend FrontPoint as a home security system."

Recommended by93%of homeowners

Alarm or Security System - InstallAlarm or Security System - Install - For BusinessAlarm or Security System - Monitor+7 more

Serving Decatur, MI and surrounding areas

In business since 2007

Credit card accepted

"
All went well, up and running in no time at all. It is very user friendly, you don't need a PHD to operate this system and we feel secure and safe knowing that we are being protected 24/7.

"

Compare our Compact Door Sensors to our Competitors

+16

Recommended by84%of homeowners

Alarm or Security System - InstallAlarm or Security System - Install - For BusinessAlarm or Security System - Monitor+7 more

Serving Decatur, MI and surrounding areas

In business since 1998

Credit card accepted

"We like their service. We haven't had any problems. They are very good. This was the first time we've had an alarm/security system in our home. The supplier is ADT. I like that I can set my alarm every night before I go to bed."

Recommended by63%of homeowners

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Protect America Home Security

3.5(

227

)

Alarm or Security System - InstallAlarm or Security System - Install - For BusinessAlarm or Security System - Monitor+7 more

Serving Decatur, MI and surrounding areas

In business since 1992

Free estimates

Emergency services offered

"We bought our home security system from them a few weeks ago. The guy that installed the system was very nice and knowledgeable about the system. I would use them again in the future."

Platinum Package - Protects up To 15 Doors / Windows for FREE

Recommended by64%of homeowners

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Total Home Security, LLC

3.9(

205

)

Surveillance Cameras - Install or RepairSurveillance Cameras - Install or Repair - For Business

Serving Decatur, MI and surrounding areas

In business since 2000

Free estimates

Warranties offered

"Total Home Security very professional: did a great job. I love my service they provided for me; mounted TV over fire place; the two workers are nice young professional men that respect both your home and property. They came in and did a great job! Yes I highly recommend Total Home Security. You can't bring just anyone in your home. The owner Kyle is great as well. A job well done by Total Home Security."

+26

Recommended by85%of homeowners

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Showing 1-10 of 38

Home Security Systems FAQs, answered by experts

Yes, you can install a home security system in an old house. In fact, you can install a security system in any home. Some wiring may need to be added, but most home security systems do not require a lot of additional wiring. Wireless security systems can easily be installed with minimal additional wiring, if any at all. Most wireless security systems can be monitored and controlled from your smartphone, and the cameras and sensors operate on batteries.

Yes, you should always change your locks after buying a house. Do so as soon as possible after you move in. Otherwise, you won’t know who has working keys to the property, whether they’re spare keys or otherwise. If an intruder gains access to your house with a key, it may not be covered under your homeowners insurance.

With the popularity of DIY security cameras and video surveillance systems, it’s important to understand the benefits and potential drawbacks to decide if it’s the right choice for you. Advantages and disadvantages include:

Pros

Video footage readily available
Reduced home insurance
Save on labor costs by installing security cameras yourself
Wireless systems are easy to move and set up
Monitor from your smartphone
Avoid false alarms

Cons

Features may be vulnerable to hackers
No direct link to authorities
Risk of installing the system improperly, reducing its effectiveness

Yes, most pros encourage you to change your locks when you move into a new home. While the previous owner may hand you their keys, you have no way of knowing whether other copies exist elsewhere. Changing your locks as soon as you move in is a great way to ensure that you can enjoy new, fully functioning locks that will work with your unique key or code.

In general, keyless door locks are considered safe, and their security depends on the type and quality of the lock. They cannot be picked like a traditional lock and often include added features like biometric access, PIN codes, and smartphone connectivity, which can make them more secure. However, they are not without risks. Potential vulnerabilities include hacking for Wi-Fi-connected models, battery failure, power outages, and technical malfunctions. To maximize security, it is important to choose a reliable brand, stay on top of software updates, and perform regular maintenance. While the risks are different, keyless locks are not considered more dangerous than traditional locks.

The Decatur, MI homeowners’ guide to home security system services

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

See all articles

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