Find Nearby Plumbers In San Mateo, California

Pro Roto earns strong scores across all four dimensions, driven by an exceptionally large and detailed review base spanning 2017 to 2025. Professionalism is the most frequently praised attribute, with dozens of reviewers explicitly noting punctuality, courteous communication, shoe covers, callbacks, and respectful attitudes toward customers including elderly and vulnerable clients. Project completion is also very strong, with numerous reviews describing same-day or next-day service, jobs finished as promised, thorough cleanup, and follow-through on callbacks and re-visits when work was not fully resolved. Experience scores are high, with many reviewers praising diagnostic accuracy, creative problem-solving, camera inspections, and technical knowledge across complex jobs including sewer replacements, hydrojetting, and legacy pipe systems. Pricing scores well but is tempered by two negative reviews: one describing a high-pressure upsell attempt and a price described as steep for a Saturday call, and another noting an estimate roughly double competitors, though the owner followed up and explained the discrepancy.

• Two reviews with identical or near-identical text were detected (the 'King Avo and his Crew are all golden gods' review appears twice, dated 2024-06-08 and 2024-05-30, and the 'Bryan and Waldir have been super helpful' review appears twice, dated 2024-09-11 and 2024-08-22). These may be duplicate submissions by the same customer across platforms rather than fake reviews, but they were counted only once each for scoring purposes.
• Three reviews contain no text body (only a star rating of 5.0, dated 2023-06-09 and 2022-06-09). These were excluded from dimension scoring as they provide no usable data.
• One review (dated 2023-06-09, rating 1.0) describes a serious punctuality and communication failure — technicians never arrived for a scheduled 4-service-request appointment, phone went to voicemail. This is a meaningful negative signal for professionalism and project completion and was factored into scoring.
• One review (dated 2024-05-01, rating 3.0) explicitly describes a high-pressure upsell attempt by Isaac on work the reviewer (an engineer) believed was unnecessary, and describes pricing as steep. This was factored into the pricing and professionalism scores.
• One review (dated 2023-12-05, rating 3.0) describes an estimate approximately 2x competitors, though the owner followed up to explain. This was factored into the pricing score.
• One review (dated 2021-07-24, rating 5.0 after update) describes initial poor workmanship — grass thrown on top of repaired area, cleanout not leveled, a sprinkler head broken — before the company returned to fix the issues. This was factored into the project completion score.
• One review (dated 2018-01-17, rating 4.0) notes the job was completed but the customer had not yet received paper documentation of the guarantee or a paid receipt. Minor flag for follow-through.
• One review (dated 2022-06-09) references 'a very difficult start with shifting explanations and moving targets' before the CEO intervened and the company delivered good work. This was factored into the project completion and professionalism scores.
• The overwhelming majority of reviews are 5-star. While the volume, specificity, named technicians, and detailed job descriptions across most reviews suggest authenticity, the near-universal 5-star rating warrants mild caution. The presence of several critical or mixed reviews and the long review history (2017–2025) support overall legitimacy.
• Several reviews from 2017 are older than 7 years and were given reduced weight. Reviews from 2022 onward were given full weight. The most recent reviews (2024–2025) are consistent in quality with the broader review body.

This WW Score is based on a large, detailed, and multi-year review dataset with strong mention counts across all four dimensions, making it one of the more reliable scores possible; however, a small number of negative reviews describing upselling behavior, a no-show incident, and initial workmanship issues prevent a top-tier score and should be considered by prospective customers.

Tremors Plumbing demonstrates exceptional performance across all dimensions, with particularly strong marks for project completion and professionalism. Francisco and his team consistently deliver same-day or next-day service, complete jobs thoroughly, and communicate transparently throughout. The experience dimension reflects deep technical knowledge and problem-solving ability that exceeds customer expectations. Pricing is fair and competitive, though one review noted a verbal estimate that exceeded the quoted range, slightly tempering confidence in this area. The overwhelming majority of reviews span recent years (2018-2024), ensuring recency and relevance.

• One negative review (2023-06-12, 1-star) regarding scheduling flexibility and responsiveness to customer communication—customer replied within 5 minutes to a request but Francisco had already left the area. This is an isolated incident among 100 reviews and suggests occasional scheduling challenges.
• One review (2021-12-11, 4-star) cited lack of written estimate and final bill ($590) exceeding verbal estimate range ($475-515), indicating potential transparency gaps in pricing communication. However, this is the only pricing complaint in 100 reviews.
• No evidence of fake reviews detected. Reviews show consistent, specific details about actual work performed (water heater replacements, drain cleaning, sewer line work, etc.), varied language patterns, and a natural distribution of praise with occasional legitimate concerns. The single 1-star review provides specific, credible criticism.

This WW Score of 88.2 is highly reliable, based on 100 reviews with strong data density across all dimensions. The score reflects genuine customer experiences with specific, verifiable details about plumbing work performed. While the overwhelming positivity (99 five-star reviews out of 100) is notable, it is supported by consistent patterns of same-day service, technical expertise, and customer satisfaction across nearly seven years of reviews. The two isolated concerns (scheduling and pricing transparency) do not materially undermine confidence in the overall assessment.

Belmont Plumbing (Flat Rate Plumbing) demonstrates strong performance across all four dimensions. Professionalism is consistently praised with 16 mentions highlighting punctuality, communication, courtesy, and responsiveness—the technician frequently arrives early or on time and proactively updates customers. Pricing receives strong marks from 10 mentions emphasizing fair, transparent, and competitive rates compared to competitors. Project completion is solid across 14 mentions, with jobs finished thoroughly and follow-up commitments honored. Experience is validated by 12 mentions of skilled workmanship, quick problem diagnosis, and technical knowledge. One negative review from 2013 citing rudeness and job problems prevents a higher score, but the overwhelming majority of feedback is positive and detailed.

• Four reviews dated 2025-04-10 (all same date, all 5-star, all generic praise with minimal specifics) show suspicious clustering and lack detail compared to older reviews—possible fake or template reviews. These reduce confidence slightly but do not override the substantial body of detailed, dated reviews from 2013-2021.
• Most reviews are older than 12 months (15 of 21 reviews predate 2022). Only 4 recent reviews from 2025 are available. Recency is limited, though older reviews are highly detailed and specific.
• One 1-star review from 2013 mentions rudeness and job problems but provides minimal detail, making it difficult to assess severity or context.

This WW Score of 88.2 is reliable with HIGH overall confidence. The score is supported by 10+ mentions across all four dimensions, with detailed, specific feedback from verified customers spanning multiple years. However, the clustering of four generic 5-star reviews in 2025 and the age of most reviews (pre-2022) suggest caution—current performance should be verified with recent, detailed references before making a final decision.

MVS Plumbing (Mike) receives overwhelmingly positive feedback across all four dimensions, with professionalism being the most frequently cited strength — reviewers consistently highlight punctuality, courteous communication, and responsiveness. Pricing is a notable positive differentiator, with multiple reviewers explicitly stating Mike charges less than competitors, declines unnecessary work, and has even refused full tips when he felt the job was simple. Project completion is strong, with the vast majority of reviews describing jobs finished thoroughly and on time, though two 1-star reviews from February 2016 describe a no-show attributed to 'Cory,' which introduces a meaningful blemish and suggests possible staffing or scheduling issues during that period. Experience scores highest, with reviewers repeatedly describing Mike as uniquely skilled — solving problems that multiple other plumbers could not — and even being consulted by fixture manufacturers. The two no-show complaints are the primary drag on the overall score and are treated as credible negative signals.

• Two 1-star reviews from February 2016 describe a plumber named 'Cory' — not Mike — failing to show up without notice. These reviews reference a different individual and may reflect a period when the business had additional staff or a different operational structure. They are credible negative signals for professionalism and project completion and have been factored into scoring.
• One review (2015-08-06) describes an incomplete job — Mike could not fix the clogged toilet and did not charge, which reflects honesty but also a failure to complete the work. This was factored into project completion scoring.
• The majority of reviews are older than 12 months relative to a 2024 analysis date. Only 2 reviews fall within the past 12 months (2022-05-11 and 2023-04-28), meaning the bulk of the data is 2–13 years old. Current performance cannot be reliably inferred from this dataset.
• No strong fake review patterns detected. Reviews vary in length, specificity, writing style, and rating. Several include specific job details, named referrers, and nuanced observations, which are positive authenticity signals. The two negative reviews further support overall authenticity.
• Several reviews reference 'Cory' or describe the business under different names (MVS Plumbing, MB's Plumbing), suggesting possible business name changes or multiple operators over time. Consumers should verify current business identity and ownership.

This WW Score carries HIGH confidence in terms of review volume and data richness, but should be interpreted with caution given that the overwhelming majority of reviews are more than 2 years old, only 2 reviews are from the past 24 months, and there is evidence of at least one no-show incident involving a non-owner operator — prospective customers should seek recent references to confirm current service quality.

Plumbing and Sewer Solutions earns strong marks across professionalism, project completion, and experience, with all eight reviews explicitly praising courteous, communicative, and thorough technicians by name. Every reviewed job was completed fully, including cases where additional problems were discovered mid-job and resolved without abandonment. Technical competence is well-evidenced across multiple job types including sewer line repair, water heater replacement, pipe replacement, and drain clearing. Pricing data is sparse — only two reviews touch on cost, and one is only mildly positive — so the pricing dimension carries limited confidence and is treated conservatively. The overall WW Score is reliable given the volume and specificity of reviews, though all reviews are from 2017–2018, meaning recency is a concern.

• ALL REVIEWS ARE OLDER THAN 5 YEARS: Every review dates from 2017 to early 2018. No reviews from the past 12 months are present. Current performance cannot be assessed from this data.
• MILD FAKE REVIEW RISK: Several reviews share very similar structure — naming technicians (Sergio, Manny, Kirby), praising politeness, and noting explanations given. However, reviews contain enough specific detail (job types, locations, named technicians, unique circumstances) to be considered likely genuine. Risk is low but noted.
• PRICING DATA IS VERY THIN: Only 2 of 8 reviews mention pricing. One states 'not as bad as I thought' (lukewarm) and another implies fair value indirectly. The pricing score of 72 should be treated with caution given LIMITED confidence.

This WW Score is moderately reliable in terms of review volume and specificity, but should be treated with caution due to the age of all reviews — none are more recent than early 2018 — meaning the score reflects historical performance only and may not represent the contractor's current quality.

San Mateo Plumbing / Brandt Plumbing has a strong and well-documented track record across professionalism, project completion, and technical experience, with dozens of reviews explicitly praising punctuality, communication, cleanliness, and follow-through on complex jobs. The experience dimension is particularly well-supported, with reviewers consistently describing Scott and his crew as knowledgeable, meticulous, and capable of handling a wide variety of plumbing challenges. Pricing scores slightly lower due to one explicit complaint about a $140 minimum charge that was not disclosed upfront, and one invoice-follow-up failure, which introduce meaningful but isolated concerns about transparency and billing communication. Project completion scores high overall, with multiple reviewers noting jobs were finished completely and on time, though the one unresolved invoice complaint and a lack of callback noted in a 1-star review prevent a top-tier score. The bulk of the most detailed and credible reviews are attributed to Brandt Plumbing specifically, while the first 16 reviews referencing generic service types appear to be from a different or overlapping business profile and show patterns consistent with templated or low-specificity reviews.

• SUSPECTED TEMPLATED REVIEWS: The first 16 reviews (dated 2025-05-10 through 2025-06-08) follow a highly repetitive structure — each names a service type, praises a generic 'technician' or 'expert,' and ends with a recommendation. None mention Scott, Emily, Louise, or any named staff. Language patterns are formulaic and lack personal detail, which is inconsistent with the highly specific and credible reviews from 2007–2025 attributed to Brandt Plumbing. These reviews were included in scoring but treated with reduced individual weight due to low specificity.
• NEGATIVE PRICING SIGNAL: One 2-star review (2018-03-19) explicitly states the customer was charged $140 for a 15-minute job and was never informed of the minimum charge upfront. This is a transparency concern that directly impacts the pricing score.
• FOLLOW-THROUGH FAILURE: One 1-star review (2011-07-25) reports that the customer requested an invoice approximately ten times and received no response and no callback. This is a direct project completion and professionalism concern, though it appears to be an isolated incident.
• RECENCY NOTE: The most detailed and verifiable reviews from named customers (Scott, Emily, Louise) span 2007–2025. The 16 generic reviews are all clustered in May–June 2025 and may represent a review generation campaign. Scores were not inflated based on these reviews.
• MIXED BUSINESS IDENTITY: Some reviews reference 'San Mateo Plumbing' generically while the majority reference 'Brandt Plumbing' and owner 'Scott Brandt' specifically. It is unclear whether all reviews are for the same business entity, which introduces minor attribution uncertainty.

This WW Score is moderately reliable for the Brandt Plumbing core business given a large volume of detailed, named, multi-year reviews, but overall confidence is tempered by a cluster of 16 suspected templated reviews in 2025 that inflate total review count without adding meaningful specificity.