iHow 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 55%88+48Reliability 24%88+21.3Value 14%85+12Replies to reviews 7%100+7.1Craft & service penalty97−0.3Experts Score= 88Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.88SCORE
AGradeiLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20.
#28 of 44 leak detection servicesiPosition by Experts Score among all companies we track in this category. · better than 37%
4.9★★★★★3,063 Google reviews · 24 photos
94%five-star reviews
4.87★last 12 monthsiAverage stars on reviews from the last 12 months only.
1.7%1–2★ in 2 yearsiShare of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
99%reviews answered by the owner
$748typical billiMedian bill customers of this company reported in their reviews (needs 3+ priced reviews).
Customers frequently praise the company for punctual scheduling, friendly communication, and thorough explanations of repairs. The high rating reflects consistent professionalism, though some low-star reviews criticize high pricing and pressure tactics to upsell services.
Google rating: 4.9 out of 5 from 3,063 reviews (94% five-star).
Reviews on this page: 3,063 Google reviews (2,466 with written comments, 26 with photos).
Owner responses: the business replied to 99% of reviews.
Most recent review: October 25, 2026.
Service: Leak Detection Service serving Tucson, Arizona.
Data from Google, last updated October 26, 2026.
Score profile vs other leak detection services
Score per factor (100 = best)iEach 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 replies to reviews; weakest: value.
Al Coronado PlumbingLeak Detection Services median0 = centre, 100 = best
SatisfactioniSatisfaction · 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.Al Coronado Plumbing: 88/100 on this factor. Category median: 93.A
88
ReliabilityiReliability · 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.Al Coronado Plumbing: 88/100 on this factor. Category median: 92.A
88
Craft & serviceiCraft & 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.Al Coronado Plumbing: 97/100 on this factor. Category median: 95.A
97
ValueiValue · 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.Al Coronado Plumbing: 85/100 on this factor. Category median: 98.A
85
MomentumiMomentum · 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.Al Coronado Plumbing: 100/100 on this factor. Category median: 100.A
100
Replies to reviewsiReplies 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.Al Coronado Plumbing: 100/100 on this factor. Category median: 94.A
100
Bar = this company · dark tick = category median.
Star ratings
3,063 Google reviews we collected
4.9of 5
5 stars2,86794%
4 stars1073%
3 stars251%
2 stars100%
1 star542%
Praise vs complaints
Phrases our text analysis found in 2,466 written reviews
98%praise
Praise4,87198%
Complaints972%
PriceiGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.
Price verdicts customers left with their Google review
90%fair
Great price9418%
Reasonable28656%
Overpriced438%
Not sure9118%
$748+79% vs typical leak detection services
Middle half of what 405 customers paid ($366–$1.6k) · gold mark = category median.
Topic share
How often each topic comes up in the written reviews
7topics
Staff & attitude1,50530%
Speed & response94419%
Quality & results83417%
Communication60412%
Price & value4479%
Would recommend4459%
Honesty & trust1894%
What customers talk about
We read 2,466 written reviews and marked every phrase about these topics. The same colors are highlighted in the reviews.
“Professional, friendly and a superb plumber, Brandon did a first-rate job repairing two different plumbing issues in a timely and meticulous manner.”
“Dealing with Nicholas and getting estimate to replace my pressure valve, he has an attitude and rude.”
“Response within an hour of calling for appointment.”
“He never called back.”
“Briar was very courteous and professional,he did excellent work”
“The company seemed very desperate, overpriced and it was an overall horrible experience FOR A QUOTE.”
“Throughout the process Brandon clearly explained what he found, the repair he was making and helpful tips for future maintenance.”
“Office ignored my request to email the feedback link, as I do not have a smart phone.”
“Brandon showed up on time and got the work done after explaining and giving a full and fair estimate , handed me an invoice and we were finished.”
“Over priced,takes advantage of women who know little about plumbing.”
“If I could give him ten stars, I would, and I would recommend his service to anyone who needs plumbing work.”
“I will never use them again nor will I refer them to any of my friends and neighbors, I would give them 0 stars if that was an option.”
“He was extremely thorough, honest, and gave us some excellent recommendations.”
“To us, that's not transparency: it felt like triangulation intended to involve others in a dispute.”
People customers mention
Marty63 reviews
Brandon53 reviews
Jasper33 reviews
Andy33 reviews
Kevin33 reviews
Briar28 reviews
praise complaint · found by our text analysis, Google review wording unchanged.
Reviews for your job
Customers hired Al Coronado Plumbing for 8 kinds of job. Pick one to see what they paid and said.
lou2 reviewsiTotal 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 days ago★★★★★
Briar is absolutely wonderful and helped us tremendously. Our world has been falling down around us and he was a shining star to help stop the leak that turned into leaks on the spot. This world is a better place because of people like Briar and his personality and ability to fix issues. Thanks so much.
Paid $1,000–1,200Great pricePlumbing leak repair
david7 reviewsiTotal 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. · Edited 4 days ago★★★★
Jesse was very polite replaced the drain in my bathroom sink… took a bit to get it done but was successful.
Paid $200–400Reasonable pricePlumbing leak repair
Mr.3 reviewsiTotal 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. · 5 days ago★★★★★
Jacob, it was one of the most friendly and professional people that I've ever have had the pleasure of working with. He made things easy to understand and despite this, being a very negative situation for my family, he was understanding and compassionate about the whole thing. If I could give him ten stars, I would,…
Kenny6 reviewsiTotal 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. · 5 days ago★★★★★
Great experience with Briar. Repairs took awhile but everything is good. He suggested Steamy Consepts for other repairs needed due to flooding
Paid $1,000–1,200Reasonable price
Cindy13 reviewsiTotal 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. · Edited a week ago★★★★★
Great scheduling. Response within an hour of calling for appointment. Great communication with William the plumber. Good work. Would hire again.
Paid $1,000+Reasonable pricePlumbing pipe repair
gilbert4 reviewsiTotal 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. · Edited a week ago★★★★★
Great individual, great job, pointed out potential problem, fixed expeditiously, definitely a five star gentleman. Thank you.
Professional, friendly and a superb plumber, Brandon did a first-rate job repairing two different plumbing issues in a timely and meticulous manner. Throughout the process Brandon clearly explained what he found, the repair he was making and helpful tips for future maintenance. The scheduling team was friendly, attentive, accurate and responsive, making the service scheduling process easy and free from unnecessary delays. We will be calling Al Coronado Plumbing for any of our future plumbing needs.
Services: Plumbing leak repair, Service not listed
Mike MorenoLocal Guide · 44 reviewsiTotal number of Google reviews Mike has written across all businesses on Google Maps, not just this one.
Excellent service! They were very responsive and quick to schedule. And the service by Cody was excellent. He explained the issues, what he would do and what we where being charged for exactly. I highly recommend them!
Price assessment: Great price
Services: Toilet repair, Plumbing services
lou patrick-seligman2 reviewsiTotal number of Google reviews lou has written across all businesses on Google Maps, not just this one.
Briar is absolutely wonderful and helped us tremendously. Our world has been falling down around us and he was a shining star to help stop the leak that turned into leaks on the spot. This world is a better place because of people like Briar and his personality and ability to fix issues. Thanks so much.
Price assessment: Great price
Price: $1,000–1,200
Services: Plumbing leak repair
Ray Johnson2 reviewsiTotal number of Google reviews Ray has written across all businesses on Google Maps, not just this one.
Kenny was wonderful. He assessed the situation and calmed my fears. Great service!!
Response from the owner · 3 days ago
Thank you so much for the five-stars, Monica! We’re happy Kenny was able to put your mind at ease and take great care of you. We appreciate your business, thanks again for choosing us!
david tang7 reviewsiTotal number of Google reviews david has written across all businesses on Google Maps, not just this one.
Jesse was very polite replaced the drain in my bathroom sink… took a bit to get it done but was successful.
Price assessment: Reasonable price
Price: $200–400
Services: Plumbing leak repair
Response from the owner · Edited 3 days ago
Hi, david! Thank you for choosing us again for your plumbing needs! We're happy to hear Jesse took great care of you and we appreciate your patience during the work. Please let us know if we can help with anything else.
Denise Fray5 reviewsiTotal number of Google reviews Denise has written across all businesses on Google Maps, not just this one.
Jacob, it was one of the most friendly and professional people that I've ever have had the pleasure of working with. He made things easy to understand and despite this, being a very negative situation for my family, he was understanding and compassionate about the whole thing. If I could give him ten stars, I would, and I would recommend his service to anyone who needs plumbing work. Thank you Jacob. You are truly the rockstar they said you were.
Thank you so much for this heartfelt review, Mr. Fishman! We know plumbing issues can be stressful, and it means so much to hear that your experience with our company made a difficult situation a little easier for your family. We’re lucky to have him on our team and will be sure to share your wonderful words with him. Thank you for your trust and recommendation!
Kenny Dennis6 reviewsiTotal number of Google reviews Kenny has written across all businesses on Google Maps, not just this one.
Great experience with Briar. Repairs took awhile but everything is good. He suggested Steamy Consepts for other repairs needed due to flooding
Price assessment: Reasonable price
Price: $1,000–1,200
Response from the owner · 3 days ago
Thanks for the great review, Kenny! We’re very happy to hear Briar took good care of you and that everything is working well. We appreciate your patience throughout the repairs and are grateful to be your plumber!
Ruby La Rienda12 reviewsiTotal number of Google reviews Ruby has written across all businesses on Google Maps, not just this one.
