Analyzing 5,821,5945.8M ReviewsFor 16,05416.1K 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

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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 sewer cleaning

Clear ✕
Jobs reviewedHow many Google reviews are tagged with this job.7
★ 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.$1,000+
Category typicalWhat the middle half of customers paid for this job across all companies in the category.$383–$1.2k
Rank for this jobPosition of this company in the Job match ranking for this job among the companies we track.Its Job match: 81/100.How Job match is calculatedBuilt only from reviews Google tagged “Sewer cleaning”: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.#7 / 10
Said fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.100%

All 7 Google reviews tagged “Sewer cleaning”

Sue10 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. · 7 months ago★★★★★

Great guys!. Very professional and friendly too!

Sewer cleaning
Steven3 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. · 8 months ago★★★★★

Excellent personnel. They arrived in a timely manner and on short notice request; dealt with common, old-plumbing-type problems; and quickly obtained a complete survey of the property problems. Now, we can figure out the needed repairs and replacements.

Paid $1,000+Reasonable priceToilet repairDrain cleaningSewer cleaning
Cathryn2 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. · 11 months ago★★★★★

Fernando and his assistant Chase arrived at the early side of their 2-hour window. They listened carefully to my description of the problem (two floor drains that had backed up in the recent heavy rain.) They asked pertinent questions and then got to work on diagnosing the problem. I authorized a video inspection…

Paid $1,000+Not sureSewer cleaning
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
ClassicGuitarLover4 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★★★★★

AJ was so professional and I’ve never had a better plumbing experience. He walked us through every step of what he was doing. Showed us pictures of our pipes. And gave us a full report afterwards.

Reasonable priceDrain cleaningSewer cleaning
Myron3 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★★★★★

We had a backup in our main sewer line and Willy was sent out to clear the line. He arrived in a timely manner and was very professional and was able to clear the line with no problem. I really appreciated how smooth of a process this all was! Highly recommend contacting them for your plumbing needs.

Sewer cleaning+ Responsiveness+ Punctuality+ Quality
Christopher2 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★★★★★

We are building contractors here in San Francisco and we have relied on Flowmasters Plumbing for 10 years now. They are experts at installing radiant heating systems and are extremely knowledgable about all aspects of plumbing. Their customer service is efficient and reliable, their rates are competitive and I wholeheartedly recommend them.

Plumbing leak detectionFaucet installationShower installation

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—

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