5 Best Home Security Systems in Round Rock (2026)

Ranked by real Google ratings and review volume · How we chose

By Brad Smith, Home Services Expert · ✓ Updated October 2026 · 6 min read

We compared 16 home security systems in Round Rock on Google Maps · 5 listed · How we rank

Cameras, door sensors and a monitoring plan are easy to compare on a brochure and harder to judge once someone is drilling into your walls, so home security systems in Round Rock are worth comparing on who installs and who services them afterward. The businesses below hold more than 1,270 Google reviews between them, rated from 4.7 to 4.9, and three of them sit at 4.9.

Short answer: Securimax Inc. in Hutto carries the most Google reviews here (4.9 stars from more than 370), narrowly ahead of DT Security- ADT Authorized Dealer in Round Rock (4.9 from more than 370). Blue Line Security is rated 4.9 across more than 220, Vivint is rated 4.7 across more than 170 and Dyezz Surveillance & Security in Pflugerville 4.7 across more than 120. Ask who monitors the system and what the contract term is before you sign.

Jump to a business

1. Securimax Inc.
2. DT Security- ADT Autho…
3. Blue Line Security
4. Vivint
5. Dyezz Surveillance & S…
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Round Rock Security Companies Side by Side

#	Business	Rating	Reviews	Best for
1	Securimax Inc.	4.9 ★	376	Camera systems and service calls	View ›
2	DT Security- ADT Authorized Dealer	4.9 ★	374	ADT systems through a local dealer	View ›
3	Blue Line Security	4.9 ★	221	Homes, churches and small businesses	View ›
4	Vivint	4.7 ★	176	Smart-home security and equipment upgrades	View ›
5	Dyezz Surveillance & Security	4.7 ★	129	Cameras and surveillance for homes and offices	View ›

5 Best Home Security Systems in Round Rock (2026)

The security companies, one at a time

#1 Overall🕑 Open 5 days/wk↩ Responds to reviews

Securimax Inc.

4.9376 Google reviews

Securimax Inc. is a security company on Farley Street in Hutto that serves Round Rock, Austin and Georgetown, according to its replies to reviews. Its site description says it installs and monitors residential and commercial security systems, cameras, access control and smart automation, and Google tags it for security system installation, fire alarms and home automation. Reviewers describe whole-home installs, camera repair and phone troubleshooting.

What people praise

One reviewer who moved into a new house chose Securimax over an ADT package and called the install professional
A customer said a technician came within the hour for a camera problem
Reviewers mention an extensive full-day install and quick answers when the system needed to be expanded
A customer praised step-by-step help over the phone

Worth knowing

Based in Hutto, so confirm scheduling for a Round Rock home
Listed weekday hours only

Reputation scorecardrank in Round Rock

Rating4.9 / 5

Review volume376 · 97th

Confidencehigh

Recency3 months ago

Info completenesssite · phone · hours

Rating breakdown96% 5-star

✓ VerifiedSource: Google

Our take: The largest review pool on the page at 4.9, with written feedback on installs, cameras and later service calls. A strong first quote for a camera-led system.

Website +1512-522-7233 Directions

310 Farley St, Hutto, TX 78634

#2🕑 Open 6 days/wk↩ Responds to reviews

DT Security- ADT Authorized Dealer

4.9374 Google reviews

DT Security- ADT Authorized Dealer sells and installs ADT home security systems from an address on Alton Place in Round Rock. Its site says customers get monitoring through ADT and that a 36-month agreement includes ADT's Quality Service Plan on installed equipment. Reviewers describe ADT installs with cameras, alarm components and app setup.

What people praise

Reviewers describe installers who explained the system and walked through the app
One customer met a salesperson on a Sunday and had the install the next day
Customers mention the setup being customised to their home
Google lists weekday evening hours and Saturday morning hours

Worth knowing

Its site ties service to a 36-month agreement, so read the term and cancellation terms before signing

Reputation scorecardrank in Round Rock

Rating4.9 / 5

Review volume374 · 91st

Confidencehigh

Recency8 weeks ago

Info completenesssite · phone · hours

Rating breakdown97% 5-star

✓ VerifiedSource: Google

Our take: A 4.9 across a review pool close in size to Securimax's, and the pick if you specifically want ADT equipment and monitoring through a local dealer.

Website +1512-363-5603 Directions

3104 Alton Pl, Round Rock, TX 78665

#3🕑 Open 5 days/wk↩ Responds to reviews

Blue Line Security

4.9221 Google reviews

Blue Line Security is on County Road 172 in Round Rock. Its site describes smart security for businesses, churches and homes, with video surveillance, access control and alarm monitoring powered by Alarm.com, and Google files it as a security service and burglar alarm store. Reviewers mention both home and nonprofit installations.

What people praise

One customer uses it for a home and for a nonprofit where they serve on the board
A reviewer said equipment that malfunctioned was fixed the next day
Customers describe the technicians as friendly and thorough
Its site lists remote viewing and an app for cameras, locks and automation

Worth knowing

Much of its work is for businesses and churches, so ask about home packages specifically
Listed weekday hours only

Reputation scorecardrank in Round Rock

Rating4.9 / 5

Review volume221 · 84th

Confidencehigh

Recency5 months ago

Info completenesssite · phone · hours

Rating breakdown97% 5-star

✓ VerifiedSource: Google

Our take: A 4.9 from a mid-sized pool, with a site that covers homes and commercial properties on one Alarm.com platform. A fit if you want a Round Rock company that also handles a workplace.

Website +1512-522-5805 Directions

2250 Co Rd 172 Ste 309B, Round Rock, TX 78681

#4🕑 Open 7 days

Vivint

4.7176 Google reviews

Vivint is a smart-home security company on Chisholm Cove in Round Rock. Google tags it as a security system supplier and home automation company. Reviewers mostly write about the sales representatives who walked them through options and about equipment upgrades; this page has no site text for this location.

What people praise

Reviewers describe sales representatives who explained the options without pressure
One customer said a Vivint equipment upgrade was stress-free
A customer who came from a previous provider said Vivint's staff were clear about the services
Google lists seven-day hours

Worth knowing

Reviews focus on the sales process, so ask about installation and service scheduling
Contract and equipment terms follow Vivint's own policies, so ask for them in writing

Reputation scorecardrank in Round Rock

Rating4.7 / 5

Review volume176 · 78th

Confidencemoderate

Recency3 months ago

Info completenesssite · phone · hours

Rating breakdown93% 5-star

✓ VerifiedSource: Google

Our take: A 4.7 across a sizeable pool, the lowest rating tier on the page along with Dyezz. Best suited to someone who wants the Vivint smart-home platform.

Website +1512-501-5990 Directions

1611 Chisholm Cove Ste. 160, Round Rock, TX 78681

#5🕑 Open 5 days/wk↩ Responds to reviews

Dyezz Surveillance & Security

4.7129 Google reviews

Dyezz Surveillance & Security is a Pflugerville company on Priem Lane. Google tags it for security system installation, burglar alarms and fire protection, and reviewers describe camera and security system installs at homes and a commercial building. It is based in Pflugerville, not Round Rock.

What people praise

One reviewer described a camera system with audio plus a security system, with clear video and easy apps
A customer said John came to the house and answered every security question
Reviewers describe installers who were clean, on time and thorough
A business owner replaced a previous provider and called Dyezz responsive

Worth knowing

Based in Pflugerville, so confirm scheduling for Round Rock
No website text was available for this profile, so confirm monitoring options by phone

Reputation scorecardrank in Round Rock

Rating4.7 / 5

Review volume129 · 72nd

Confidencemoderate

Recency3 months ago

Info completenesssite · phone · hours

Rating breakdown92% 5-star

✓ VerifiedSource: Google

Our take: A 4.7 from the smallest review pool here, with detailed notes on camera installs. Worth a quote if surveillance is the priority.

Website +1512-331-2788 Directions

4613 Priem Ln, Pflugerville, TX 78660

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How to read the scores

The scorecards use public Google data on the date shown. Rating is the live star average. Review volume shows how many people have rated each business, compared with other security companies in Round Rock. Confidence weighs the rating by that volume, so a 4.9 from a large crowd counts for more than a 5.0 from a few dozen. Recency shows how recently reviews have arrived.

What drives home security pricing in Round Rock

Security pricing depends on the number of doors, windows and cameras, whether equipment is bought or tied to a monitoring agreement, the length of that agreement, and any installation fee. Prices depend on the job, so ask for a written quote that separates equipment, installation and the monthly monitoring term.

Security installers around Round Rock

DT Security, Blue Line Security and Vivint list Round Rock addresses, while Securimax is in Hutto and Dyezz is in Pflugerville. Ask each company what a typical install covers. Searching for home security near me? Ask how soon each can come out for a walk-through.

Questions for a security company

Who monitors the system, and is there a contract term?
Is the equipment owned or leased?
What happens if the internet or power goes out?
Who do I call for service, and how quickly can someone come?
Can I add cameras or sensors later?

Frequently asked questions

Which Round Rock security companies sell ADT or Vivint?

DT Security- ADT Authorized Dealer sells ADT systems from Round Rock, and Vivint has its own location on Chisholm Cove.

Who offers camera installation and surveillance?

Securimax reviewers mention camera installs and camera repair, a Dyezz reviewer set up cameras with audio, and Blue Line’s site lists video surveillance. DT Security reviewers mention cameras as part of ADT installs.

Which of these cover businesses as well as homes?

Blue Line Security’s site lists businesses and churches alongside homes, and Securimax’s site description covers residential and commercial systems. Dyezz reviewers describe a commercial building upgrade.

Are Securimax and Dyezz in Round Rock?

No. Securimax is on Farley Street in Hutto and Dyezz is on Priem Lane in Pflugerville. Securimax’s review replies name Round Rock among the places it serves; confirm coverage with Dyezz.

Before you sign

Securimax suits a camera-led system and DT Security suits an ADT system through a Round Rock dealer. Blue Line Security covers homes and workplaces, Vivint is the smart-home option and Dyezz is a Pflugerville camera installer. Whoever you call, get the equipment, the monitoring provider and the contract term in writing.

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