Find Nearby Plumbers In San Mateo, California

Mid Peninsula Plumbing earns strong marks across all four dimensions, with professionalism being the most frequently cited quality — reviewers consistently praise responsiveness, punctuality, courtesy, and communication across many years of reviews. Project completion scores well due to numerous accounts of jobs finished on time, callbacks honored, and work passing inspection, though two negative reviews (2-star ratings) describe a billing dispute over travel time charges and a more serious case involving disputed scope of work, incomplete sewer repairs, and alleged misleading statements about permit difficulty. Pricing is generally regarded as fair and competitive, with multiple reviewers noting transparent quotes and no hidden charges, but the 2-star billing complaint meaningfully tempers this dimension. Experience scores highly based on specific technical praise — including a trenchless sewer replacement, full house repipes, and instances where Mid Peninsula solved problems other plumbers could not — though the 2014 negative review raises questions about diagnostic accuracy and project management in complex situations. The score is moderated conservatively to reflect these two substantive negative reviews amid an otherwise strong record.

• Two substantive negative reviews (2-star, 2021 and 2-star, 2014) describe billing disputes, alleged misleading statements about permit difficulty, incomplete or botched sewer work, and poor follow-up — these are credible, detailed complaints that meaningfully affect pricing and project completion scores.
• Several reviews are very old (2008–2014) and may not reflect current service quality. The majority of reviews with specific detail are from 2009–2022, with only a handful from the past 12 months (2023–2024). Recency weighting applied conservatively.
• A small number of reviews contain no usable detail ('unknown', 'He did a great job.', 'They did an excellent job.') and were excluded from dimension scoring as they provide no evidence for any specific dimension.
• No strong fake review pattern detected. Reviews vary in length, specificity, named personnel, and rating — including two negative reviews — which supports overall authenticity. However, the high proportion of 5-star ratings warrants mild caution.
• Some reviews reference specific employees (Russ, Jordan, Ivan, Isaac) which adds credibility and specificity, but also suggests service quality may vary by technician.

This WW Score is based on 40 reviews spanning approximately 16 years, with HIGH mention counts across all four dimensions; the score is considered moderately reliable but should be interpreted with awareness that two detailed negative reviews reveal real service failures, and that most high-praise reviews predate 2023.

Mo and Tact/Quick-Way Plumbing receive overwhelmingly positive feedback across all four dimensions, with particular strength in pricing transparency and technical skill. Multiple reviewers independently praised fair and reasonable pricing, responsiveness, and quality workmanship on complex jobs such as tankless water heater installations, PRV installations, and sewer cleanouts. Professionalism scores well but is modestly penalized by one serious 1-star review describing a pattern of ghosting, no-shows, and failure to communicate on a permitted job — a significant red flag that cannot be dismissed. Project completion scores are strong overall, with same-day and emergency completions frequently cited, but the ghosting incident meaningfully drags this dimension down as it represents an abandoned commitment. The experience dimension is well-supported by detailed, specific reviews describing complex multi-system plumbing work completed competently.

• ONE SERIOUS NEGATIVE REVIEW (1-star, Jan 2024): A customer reported a pattern of rescheduling, ghosting, and complete non-response on a permitted major plumbing job. The reviewer noted this had happened before with the same business, even under a name change. This is a material reliability concern and has been factored into the project_completion and professionalism scores.
• POSSIBLE BUSINESS NAME INCONSISTENCY: Reviews reference at least two business names — 'Tact Plumbing/Tact Rooter' and 'Quick-Way Plumbing.' The 1-star reviewer explicitly mentions a name change. This may indicate rebranding to escape negative history and warrants caution.
• MILD GENERIC REVIEW PATTERN: Two reviews ('fantastic company! Quick to respond and honest.' and 'Friendly, courteous, responsive. Did great work at a very reasonable price.') are brief and lack specific detail. While not conclusive of fake reviews, they contribute limited evidentiary weight and were treated conservatively.
• RECENCY NOTE: The majority of reviews are from 2023, with only two from 2024 (one positive, one the serious 1-star complaint). The 2024 negative review is the most recent data point and is given elevated weight per recency rules.
• REVIEW VOLUME CAVEAT: While 15 reviews is sufficient to calculate a WW Score, it is a relatively small sample. The single negative review carries disproportionate signal weight and should not be dismissed.

This WW Score is moderately reliable given 15 reviews with mostly specific, detailed content, but the presence of a credible 1-star ghosting complaint, a possible business name change, and a small overall sample size mean prospective customers should independently verify current responsiveness and business continuity before committing to a major job.

Aidan O'Leary receives consistently strong marks across all four dimensions, with professionalism being the most frequently praised attribute — punctuality, communication, and courteous demeanor are cited in nearly every review. Project completion scores well, with multiple reviewers noting jobs were finished correctly and follow-through was reliable, though the review base is small and older. Pricing is the weakest dimension: while most reviewers found rates fair or lower than expected, one reviewer (3-star, 2015) explicitly noted overcharging on both parts and labor with no itemized bill, which meaningfully pulls the pricing score down. Experience is well-supported, with reviewers citing technical knowledge, creative problem-solving, and successful outcomes across a variety of plumbing tasks. The overall picture is of a skilled, personable, and reliable plumber with one credible pricing concern on record.

• RECENCY WARNING: The majority of reviews are from 2015–2017, with two reviews dating back to 2012. Only four reviews are from 2017, and none are from the past several years. This score may not reflect current performance.
• PRICING CONCERN: One 3-star review (2015-05-11) explicitly states the customer was overcharged for both parts and labor and received no itemized bill. This is a specific, credible complaint and has been factored into the pricing score.
• FAKE REVIEW AWARENESS: No strong patterns of fake reviews detected. Reviews vary in length, detail, tone, and rating. The one negative review adds credibility to the overall set. Language is sufficiently varied across reviewers.
• SMALL SAMPLE SIZE: With only 12 reviews spanning approximately 5+ years, confidence in long-term consistency is limited despite HIGH confidence labels being technically warranted by mention counts.

This WW Score carries moderate-to-high reliability for historical performance but should be treated with caution given that all reviews are at least 6 years old and no recent feedback is available to confirm current service quality.

Maz Plumbing demonstrates strong performance across all four dimensions based on three recent reviews (all from 2023–2024). Professionalism is consistently praised with mentions of responsiveness, honesty, and fair communication. Project completion is evidenced by successful water heater installations, pipe replacement, and toilet repairs completed efficiently and cleanly. Experience is highlighted through technical knowledge of tankless systems, gas/water routing, and honest advice on equipment selection. Pricing is described as fair and competitive, though fewer explicit mentions limit confidence in this dimension. The contractor shows no red flags in follow-through or callbacks.

• Sample size is small (n=3 reviews). WW Score should be considered preliminary and may shift significantly with additional reviews.
• All three reviews are 5-star ratings with enthusiastic language. While content appears genuine and specific (mentions of frozen pipes, wax seals, gas routing, earthquake strapping), the uniformly perfect rating warrants monitoring for future reviews to confirm consistency.
• Pricing dimension based on only 2 explicit mentions; confidence is LIMITED. More reviews needed to validate pricing claims.
• No negative or critical feedback present; this may reflect genuine quality or limited sample diversity.

This WW Score of 90.7 is based on a small but recent and detailed review set with MODERATE overall confidence. The score should be treated as a strong preliminary indicator rather than a definitive assessment; additional reviews (target: 8–10+) would significantly increase reliability and confidence in all dimensions.

Torogas Plumbing demonstrates strong performance across all four dimensions based on four reviews spanning 2022–2023. Professionalism is consistently praised, with reviewers highlighting excellent communication, punctuality, and genuine customer concern. Pricing is noted as fair and transparent with no hidden charges or upsells. Project completion is reliable, with work finished promptly and issues resolved without callbacks. Technical expertise is evident, particularly in the detailed diagnostic and problem-solving demonstrated in the complex sewage leak case. All reviews are recent (within 2 years) and contain specific, credible details.

• Sample size is small (4 reviews only); confidence is limited by low mention counts across all dimensions. Scores should be treated as preliminary.
• All reviews are 5-star ratings with no negative feedback; while details are specific and credible, the absence of any critical perspective limits ability to assess weaknesses.
• Two reviews are from 2022 (over 2 years old); only two are from 2023. Recency is moderate.

This WW Score of 89.3 is based on limited data (4 reviews) and should be treated as a preliminary indicator rather than a definitive assessment; additional reviews would significantly strengthen confidence in this rating.

LGM Plumbing demonstrates strong performance across all four dimensions based on consistent customer feedback. Professionalism is evidenced by punctuality, responsiveness, honest communication, and courteous demeanor across multiple reviews. Pricing is highlighted as fair and transparent, with customers explicitly noting significant savings compared to competitors. Project completion is reliable with jobs finished promptly and issues resolved completely on first visit. Experience and technical knowledge are consistently praised, with customers noting diagnostic accuracy and quality workmanship. However, the sample size of 4 reviews limits confidence; all reviews are positive with no critical feedback to balance the assessment.

• Small sample size (n=4) limits statistical reliability of scoring
• All reviews are 5-star ratings with no negative feedback; absence of critical reviews may not reflect true population distribution
• Review from 2023-06-13 contains excessive punctuation and hyperbolic language ('1000000%', multiple exclamation marks) which could suggest emotional bias rather than measured assessment, though content remains credible
• Most reviews are older than 12 months (3 of 4 from 2023); only 1 review from 2024 limits recency assessment
• No reviews mention specific timeline adherence, warranty/guarantees, or callback responsiveness explicitly

This WW Score of 89.3 should be treated with caution due to the small sample size (4 reviews) and lack of critical feedback; while the data strongly suggests quality service, a larger and more diverse review pool would be needed to establish high confidence in this rating.