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RedLine Alarm Company

Security system supplier · Scottsdale, AZ · reviewed since 2014

How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 69%88+60.9Reliability 31%92+28.3Experts Score= 89Not enough data for value, replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.89SCORE
AGradeLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20.
#25 of 44 security system installersPosition by Experts Score among all companies we track in this category. · better than 44%
4.9 ★★★★★ 47 Google reviews · 4 photos
96%five-star reviews
5.00★last 12 monthsAverage stars on reviews from the last 12 months only.
0%1–2★, last 20 reviewsShare of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
0%reviews answered by the owner
Dec 2025latest review

RedLine Alarm Company at a glance

Customers rate RedLine Alarm Company highly for responsive communication, prompt service, and professional installation of security systems. Reviewers frequently note the ease of using the provided app and the company's willingness to offer affordable alternatives for system upgrades or repairs. The primary criticism involves the lack of a maintenance plan, which leads to dissatisfaction with the $99 trip charge for service visits.

  • Google rating: 4.9 out of 5 from 47 reviews (96% five-star).
  • Reviews on this page: 47 Google reviews (41 with written comments).
  • Owner responses: the business replied to 0% of reviews.
  • Most recent review: December 14, 2025.
  • Service: Security System Installer serving Scottsdale, Arizona.

Data from Google, last updated October 25, 2026.

Score profile vs other security system installers

Score per factor (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: momentum and reliability; weakest: satisfaction.

Satisfaction88Reliability92Craft & service–Value–Momentum100Replies to reviews–Satisfaction: 88 (median 92)Reliability: 92 (median 92)Momentum: 100 (median 100)
RedLine Alarm CompanySecurity System Installers median0 = centre, 100 = best
SatisfactionSatisfaction · 54% of the scoreRecency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.RedLine Alarm Company: 88/100 on this factor. Category median: 92.A
88
ReliabilityReliability · 24% of the scoreHow rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.RedLine Alarm Company: 92/100 on this factor. Category median: 92.A
92
Craft & serviceCraft & service · penalty only, up to −10 pointsGoogle review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Not enough reviews for this factor yet. Category median: 98.–
–
ValueValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Not enough reviews for this factor yet. Category median: 100.–
–
MomentumMomentum · penalty only, up to −10 pointsPenalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.RedLine Alarm Company: 100/100 on this factor. Category median: 100.A
100
Replies to reviewsReplies to reviews · 7% of the scoreHow often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.Not enough reviews for this factor yet. Category median: 45.–
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Bar = this company · dark tick = category median.

Star ratings

47 Google reviews we collected

  • 5 stars4596%
  • 4 stars12%
  • 3 stars00%
  • 2 stars00%
  • 1 star12%

Praise vs complaints

Phrases our text analysis found in 41 written reviews

  • Praise4998%
  • Complaints12%

Topic share

How often each topic comes up in the written reviews

  • Staff & attitude1530%
  • Speed & response1224%
  • Would recommend1122%
  • Price & value510%
  • Quality & results48%
  • Communication36%

What customers talk about

We read 41 written reviews and marked every phrase about these topics. The same colors are highlighted in the reviews.

  • “I've found the staff members that work in AND out of the office to be friendly professional.”
  • “They always respond right away if they are any issues or questions.”
  • “Would we recommend RedLine to individuals AND businesses?”
  • “The service is very affordable and Red Line offers service of your security system throughout the year.”
  • “They show up when scheduled and do excellent work !”
  • “They are extremely responsive and have taken the time to explain all options available.”

People customers mention

  • Tyler 3 reviews

praise complaint · found by our text analysis, Google review wording unchanged.

Recent reviews

Jerry1 reviewTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 10 months ago★★★★★

Security system is wonderful and the customer service and response time is impeccable.

William2 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a year ago★★★★

They are a great company BUT wished they offered a maintenence plan to avoid their outrageous $99.00 trip charge. That's the only drawback to a 5 star rating! Come on get with the times! This would be an excellent benefit for a yearly check etc. Thank you!!

Lisa6 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a year ago★★★★★

I’ve been a customer of Redline Alarm Company for over 11 years. Very happy with their service!

John12 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 2 years ago★★★★★

I had an old alarm system I never used malfunction and start going off in my house. It was no longer supportted by manufacturer so I called Redline. Tyler walked me threw ruring it off and saved me $100 service call and a hotel room until the problem was fixed.

BrianLocal Guide · 18 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 2 years ago★★★★★

RedLine is locally owned and operated (in Arizona) yet they provide the latest technology to access and use your security system. The service is very affordable and Red Line offers service of your security system throughout the year. I've found the staff members that work in AND out of the office to be friendly…

Wayne4 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 3 years ago★★★★★

Very reputable company. Professional and great customer service. I highly recommend them!

Photos

Customer reviews

4.9 ★★★★★ 47 reviews on Google · rating breakdown

Reviews from Google, shown as published (original wording, unedited).

Team members customers mention
Filter by topic — each topic is highlighted in the reviews in the same color
Jerry Wagner1 reviewTotal number of Google reviews Jerry has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Security system is wonderful and the customer service and response time is impeccable.

William Stoutenger2 reviewsTotal number of Google reviews William has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

They are a great company BUT wished they offered a maintenence plan to avoid their outrageous $99.00 trip charge. That's the only drawback to a 5 star rating! Come on get with the times! This would be an excellent benefit for a yearly check etc. Thank you!!

Lisa Brantman6 reviewsTotal number of Google reviews Lisa has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

I’ve been a customer of Redline Alarm Company for over 11 years. Very happy with their service!

Amir Seif7 reviewsTotal number of Google reviews Amir has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Going on 3 years and no complaints.

John Carter12 reviewsTotal number of Google reviews John has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

I had an old alarm system I never used malfunction and start going off in my house. It was no longer supportted by manufacturer so I called Redline. Tyler walked me threw ruring it off and saved me $100 service call and a hotel room until the problem was fixed.

Brian JohnsonLocal Guide · 18 reviewsTotal number of Google reviews Brian has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

RedLine is locally owned and operated (in Arizona) yet they provide the latest technology to access and use your security system. The service is very affordable and Red Line offers service of your security system throughout the year. I've found the staff members that work in AND out of the office to be friendly professional. Would we recommend RedLine to individuals AND businesses? Most DEFINITELY!!

Bob Miller2 reviewsTotal number of Google reviews Bob has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

These guys are great ! They show up when scheduled and do excellent work !

Wayne Smith4 reviewsTotal number of Google reviews Wayne has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Very reputable company. Professional and great customer service. I highly recommend them!

Sarah Walls1 reviewTotal number of Google reviews Sarah has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Tyler and his co-worker had to completely re-do an old system in a 5000' sq.ft. home and update it to current standards. They did a fabulous job, working all day with no breaks to get it done! They always respond right away if they are any issues or questions. I never had to speak with answering service- Tyler always responded immediately during business hours.

Dan Luciano9 reviewsTotal number of Google reviews Dan has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

A pleasure to work with. Prompt, knowledgeable and efficient.

RedLine Alarm Company on Google Maps →

Business details