Analyzing 5,886,0405.9M ReviewsFor 16,24716.2K Experts

Experts Reviews · Company report
Flow Masters Plumbing, Drain and Water Heater logoHow 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%95+51.8Reliability 24%96+23.3Value 14%84+11.9Replies to reviews 7%100+7.1Experts Score= 94Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.94SCORE

Flow Masters Plumbing, Drain and Water Heater

Daly City, CA · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #4Position by Experts Score among all companies we track in this category. of 14 sump pump repair services · 5.0★ from 715 Google reviews

📞 Call (415) 237-1112Request a call backWebsite ↗

Report card

Percentile vs other sump pump repair services (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: craft & service and momentum; weakest: value.

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.Flow Masters Plumbing, Drain and Water Heater is better than 95% of sump pump repair services.A
95
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.Flow Masters Plumbing, Drain and Water Heater is better than 96% of sump pump repair services.A
96
Craft & serviceCraft & service · 0% of the scoreGoogle 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.Flow Masters Plumbing, Drain and Water Heater is better than 100% of sump pump repair services.A
100
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.Flow Masters Plumbing, Drain and Water Heater is better than 84% of sump pump repair services.A
84
MomentumMomentum · 0% of the scorePenalises 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.Flow Masters Plumbing, Drain and Water Heater is better than 100% of sump pump repair services.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.Flow Masters Plumbing, Drain and Water Heater is better than 100% of sump pump repair services.A
100

Reviews for your job

Customers hired Flow Masters Plumbing, Drain and Water Heater for 8 kinds of job.

Flow Masters Plumbing, Drain and Water Heater for plumbing leak repair

Clear ✕
Jobs reviewedHow many Google reviews are tagged with this job.11
★ on this jobAverage stars on the reviews where the customer tagged this exact job (Google’s “Services” field).5.00
Usually paidThe price range customers picked most often for this job.$500–600
Category typicalWhat the middle half of customers paid for this job across all companies in the category.$239–$618
Rank for this jobPosition of this company in the Job match ranking for this job among the companies we track.Its Job match: 83/100.How Job match is calculatedBuilt only from reviews Google tagged “Plumbing leak repair”:Stars on this job 55%Number of such jobs 25%Overall Experts Score 20%Stars are pulled toward the category average when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.#9 / 10
Said fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.100%

All 11 Google reviews tagged “Plumbing leak repair”

Nate2 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 month ago★★★★★

Sebastian was a tremendous help in detecting a leak that was using 1,000 gallons of water a day. He solved it quickly and efficiently. We set up an appointment for next day repair. Great service overall!

Reasonable pricePlumbing leak repair
Trela1 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. · 6 months ago★★★★★

They know what they are doing! It’s not easy to find a consistent, experienced team of plumbers. I’ve never had a bad experience or been disappointed in their work. Also, their office staff is available and communicative.

Reasonable priceToilet repairPlumbing leak detectionFaucet repair
Alyce7 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. · Edited 7 months ago★★★★★

Hydroflush and Radiant floor heat repair.

Reasonable priceWater heater installationGarbage disposal installationWater heater repair
Robin1 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★★★★★

Oscar did a great job, fixed my plumbing problem, and was friendly and polite.

Not surePlumbing leak repair
Susan11 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. · 10 months ago★★★★★

Gustavo fixed our leak right away, patiently listened to our many questions and gave clear answers.

Not surePlumbing leak repair
Mike3 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. · Edited a year ago★★★★★

We have used Flow Masters for many years. They have always been very prompt, responsive and reliable. They have done everything from our original systems installation, general maintenance and some repair work. We would recommend them whole heartedly for all types of work!

Paid $500–600Reasonable pricePlumbing leak repair
Michael6 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★★★★★

Bought a hundred+ year old house in SF and the plumbing needed some TLC. Kevin and Alex knocked out 8 separate items from a pressure reduction valve to new toilet in one day and Fernando hydrojet the lateral line earlier in the week. Also shout out to Sebastian who did the first inspection and coordinated all the work orders for this project.

Toilet repairDrain cleaningPlumbing pipe repair
Chris5 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★★★★★

What started as a forceful change turned out to be a great experience and my PREFERRED vendor now anywhere I go! I will also call Flow Masters Plumbing first before anyone else!

Great priceWater heater installationPlumbing leak detectionWater tank installation
sam6 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★★★★★

Called Flow Master Plumbing about replacing a leaking drain pipe, they came and gave me a estimate, and came the next day and did all the work in one day. Very professional, prompt, and courteous. Highly recommended if you have any plumbing problems.

Plumbing leak repairPlumbing pipe repair+ Responsiveness+ Punctuality+ Quality
Karen1 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. · 3 years ago★★★★★

Connor did a fantastic job and repaired not one but two faucets in record time! It was a tricky job and he didn’t even break a sweat!

Plumbing leak repairFaucet repairShower repair+ Responsiveness+ Punctuality+ Quality
Anthony1 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. · 3 years ago★★★★★

Flowmasters plumbers repaired a water pipe leak from the mainline. They did a fantastic job, and it was not a simple job. They were able to diagnose and repair the issue the same day I called so we didn’t have to be without water too long. Workmanship was great. I would highly recommend them!

Plumbing leak detectionPlumbing leak repairDrain cleaning+ Responsiveness+ Quality+ Professionalism

Price

$1.2k+156% vs typical sump pump repair services

Bar = middle half of what customers paid · gold mark = category median.

Price verdictsGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.

Great price 14%Reasonable 67%Overpriced 4%Not sure 15%

Jobs customers hired them for

JobReviewsCategory typical
Water heater installation48$1.4k–$2.8k
Water heater repair38$264–$796
Toilet repair36$251–$611
Plumbing pipe repair32$269–$1.4k
Plumbing leak detection26$216–$559
Drain cleaning26$248–$506
Faucet repair22$264–$782
Heating system repair17—

Compare with

Whistle Plumbing logoWhistle PlumbingExperts Score 98San Francisco · 4.96★F&A Plumbing&Rooter logoF&A Plumbing&RooterExperts Score 98San Francisco · 4.98★ASAP Plumbing Pros logoASAP Plumbing ProsExperts Score 97San Francisco · 4.98★