Find Nearby Plumbers In Pittsburgh, Pennsylvania

412 Plumbing earns strong marks across all four dimensions, with professionalism being the most consistently praised attribute — punctuality, friendliness, clear communication, and respectful conduct in the home are mentioned repeatedly across many years of reviews. Pricing is generally described as fair, reasonable, and transparent with no hidden charges, though one reviewer noted a parts markup and another flagged a misdiagnosis that led to an inflated quote, which tempers the pricing score modestly. Project completion is solid overall, with most jobs described as finished promptly and correctly, but two credible negative reviews describe a pattern of scheduling abandonment and non-responsiveness after a quote was agreed upon, which meaningfully reduces this dimension's score. Experience scores well, with multiple reviewers citing skilled diagnostics, creative problem-solving, and quality workmanship — including a notable case where 412 succeeded where three other plumbers had failed. One low-rated review alleged a misdiagnosis (collapsed pipes that another company resolved for $50), which introduces a small but real concern about diagnostic accuracy.

• DUPLICATE REVIEW DETECTED: Two reviews with nearly identical text ('412 Plumbing was able to send someone out within a couple of days...') appear with dates 2024-06-09 and 2024-06-07 — treated as one review for scoring purposes.
• DUPLICATE NEGATIVE REVIEW DETECTED: The 1-star complaint about scheduling abandonment appears twice with dates 2024-06-09 and 2024-03-25 — treated as one unique complaint for scoring purposes.
• 6 reviews contained no text (rating only) and were excluded from dimensional scoring as they provide no usable evidence per scoring rules.
• NEGATIVE FLAG — PROJECT COMPLETION: One credible 1-star review describes 412 agreeing to a job, scheduling it 3 weeks out, canceling the morning of, and then never rescheduling despite multiple follow-up calls. This is a meaningful completion/reliability concern and was weighted accordingly.
• NEGATIVE FLAG — EXPERIENCE/PRICING: One 2-star review alleges 412 misdiagnosed collapsed pipes requiring excavation; a competitor resolved the issue for $50 with no pipe damage found. This raises a concern about diagnostic integrity and potential upselling, though it is a single isolated incident across a large review set.
• RECENCY NOTE: The review set spans from 2016 to 2025. Approximately 35 reviews are from 2024–2025 and carry higher weight. Reviews from 2016–2019 are older than 5 years and were treated as supporting context rather than primary evidence.
• FAKE REVIEW AWARENESS: The majority of reviews are 5-star with no negative detail, which is a common pattern in contractor review sets. However, most reviews include specific names, job descriptions, and contextual detail, which reduces the likelihood of systematic fake reviews. No action taken beyond noting the pattern.

This WW Score is based on a large, multi-year review set with strong mention counts across all four dimensions, making it one of the more reliable scores possible — however, two credible negative reviews regarding scheduling abandonment and a potential misdiagnosis introduce real concerns that prevent a top-tier score, and consumers should weigh those incidents when making a hiring decision.

R.K. Knight Plumbing and MK Plumbing both receive overwhelmingly positive feedback across professionalism, completion, and experience dimensions, with numerous reviewers praising named technicians by name for friendliness, punctuality, communication, and quality of work. Project completion scores are strong, with multiple reviews confirming jobs finished same-day or next-day, clean workspaces, and follow-through on complex tasks. Pricing scores are tempered by one explicit 1-star review alleging that an elderly woman was charged $1,100 for work she did not authorize, with no upfront pricing disclosed — a serious concern that meaningfully reduces the pricing dimension score. Experience is well-supported by references to knowledgeable diagnostics, problem-solving on difficult jobs, and technically sound installations across a wide range of plumbing tasks.

• MIXED COMPANY DATA: Reviews appear to cover at least two distinct companies — R.K. Knight Plumbing and MK Plumbing — with different technician names (Memo, Art, Shawn, Randy, Josh for RK Knight; Bill, Mike, Jeremiah, Max for MK Plumbing). These should not be scored together as a single contractor profile. Results are blended here but reliability is reduced.
• IRRELEVANT REVIEW DETECTED: One review (Steve and his crew painted the inside of our condo — MK Painting) is clearly for a painting company, not a plumbing contractor. This review was excluded from scoring.
• FAKE REVIEW RISK — MK PLUMBING OLDER REVIEWS: Several older MK Plumbing reviews (2017–2021) show repetitive patterns: nearly identical praise structures, all 5-star, frequent focus on garbage disposal repairs, and generic language with minimal specifics. Technician names Bill, Mike, and Jeremiah appear repeatedly in formulaic contexts. Confidence in those reviews is reduced.
• PRICING CONCERN — NEGATIVE REVIEW: One 1-star review explicitly alleges unauthorized work, no upfront pricing disclosure, and a $1,100 charge for what the customer described as minor hose replacements on an elderly woman. This is a significant red flag for pricing transparency and ethical conduct that materially impacts the pricing score.
• BLANK REVIEWS: Eight reviews contained no text (rating only). These were excluded from dimension scoring as they provide no usable data.
• RECENCY NOTE: A substantial portion of MK Plumbing reviews date from 2017–2021, which are more than 3 years old. R.K. Knight reviews are predominantly from 2024–2025 and carry more weight in this scoring. The older MK reviews should be treated with lower confidence regarding current service quality.
• POSSIBLE WRONG-COMPANY REVIEW: One review references 'Max and MK Plumbing' with a detailed emergency narrative but was posted in November 2023. Another references 'No pluming' (likely a typo). These appear to be legitimate MK Plumbing reviews but the company identity mixing reduces overall profile reliability.

This WW Score should be treated with MODERATE-to-HIGH caution: the review pool blends two separate companies (R.K. Knight Plumbing and MK Plumbing), includes one serious pricing misconduct allegation, contains multiple blank reviews, and shows patterns in older MK Plumbing reviews that raise fake review concerns — however, the R.K. Knight reviews from 2024–2025 are numerous, specific, and consistent enough to support meaningful confidence in that company's current performance.

Tudi Mechanical demonstrates strong professionalism across scheduling, communication, and technician courtesy, with 98 mentions supporting an 87.5 score. Technical expertise and workmanship are consistently praised (85.0 score, 58 mentions), with technicians frequently noted as knowledgeable and thorough. Project completion is solid (79.5 score, 67 mentions), though several negative reviews document incomplete repairs, multiple callbacks, and delayed follow-up on warranty issues. Pricing emerges as a notable weakness (73.0 score, 12 mentions), with customers acknowledging quality but describing costs as expensive or unfair. The company's strength lies in service delivery and technical capability, but execution consistency and pricing transparency present vulnerabilities.

• FAKE REVIEW PATTERN DETECTED: Multiple empty reviews with 5.0 ratings (dates 2025-05-26, 2025-05-10, 2025-02-09, 2024-12-11) suggest potential review manipulation. These provide no substantive feedback and inflate overall ratings artificially.
• SIGNIFICANT NEGATIVE OUTLIERS: Five 1-star reviews (2025-01-10, 2023-06-22, 2023-03-11, 2022-05-21, 2022-01-29, 2020-07-23, 2019-03-20, 2018-11-02, 2018-11-01, 2014-07-25) document serious issues including incomplete repairs, unresponsive customer service, warranty denial, emergency service refusal, and unprofessional hiring practices. These are not isolated complaints but reveal systemic problems.
• PROJECT COMPLETION CONCERNS: Multiple reviews explicitly mention repeated service calls for same issue (water heater requiring 3 visits over 3 weeks with no resolution; furnace requiring multiple callbacks; leaking part unresolved for 1+ month despite promises). This pattern suggests diagnostic or installation quality issues.
• CUSTOMER SERVICE INCONSISTENCY: Negative reviews cite ignored calls/emails, unresponsive follow-up, and lack of manager availability, contradicting the majority narrative of responsiveness. One review states 'Call after call has been ignored as well as many emails and texts. Messages were sent to several individuals including the owner and CFO.'
• PRICING TRANSPARENCY ISSUES: Customers describe being charged for service calls to diagnose company's own installation errors, and one review notes cost-cutting measures (missing metal straps on boiler installation) that created additional $86 service call expense 3 years later.
• RECENCY BIAS: Majority of reviews are from 2017-2019 (older than 5 years). Recent reviews (2025, 2024, 2023) show mixed quality with both strong praise and serious complaints, suggesting potential decline or inconsistency in service delivery.
• EMPLOYEE CONDUCT: One review documents reckless driving behavior by company vans with ignored complaint email. Another documents unprofessional hiring practices. These suggest potential management/culture issues.

This WW Score of 82.3 should be treated with MODERATE-TO-HIGH caution: while the score reflects genuinely strong professionalism and technical expertise supported by substantial evidence (98+ mentions across dimensions), the presence of fake reviews, systematic project completion failures documented in recent complaints, pricing concerns, and customer service inconsistencies in negative reviews suggest the overall score masks significant execution and accountability problems that disproportionately affect certain customer segments. The company excels at initial service delivery and technician courtesy but struggles with follow-through, warranty honoring, and pricing fairness.

Gerard Plumbing & Heating demonstrates strong overall performance with a WW Score of 82.3. The company excels in professionalism (86.0) with consistent praise for punctuality, courteous technicians, and responsive communication across 98 reviews. Technical expertise and workmanship are solid (85.0) with 72 mentions of knowledgeable, skilled service. Project completion is reliable (84.0) across 67 reviews, though some callbacks and follow-up issues are noted. Pricing remains the weakest dimension (71.0) with 32 mentions revealing significant customer concerns about high costs, lack of itemization, overcharges relative to estimates, and aggressive upselling—issues that recur throughout the review history.

• PRICING CONCERNS ARE SYSTEMIC: Multiple reviews across different years (2005–2024) report overcharges, lack of itemized invoices, charges exceeding estimates without advance notice, and aggressive upselling. This pattern suggests structural pricing practices that frustrate customers despite strong service quality.
• FOLLOW-UP AND COMMUNICATION GAPS: Several reviews (2005, 2015, 2016) report failure to return calls, missed callbacks, and lack of follow-through on promised estimates. While recent reviews show improvement, this remains a recurring weakness.
• QUALITY INCONSISTENCY IN WORKMANSHIP: A small number of reviews (2010, 2011) describe installation defects, poor workmanship, and refusal to take responsibility for errors. These are exceptions but notable.
• RECENT REVIEWS HEAVILY POSITIVE: The vast majority of reviews from 2024–2025 (past 12 months) are 5-star with detailed, specific praise. Older reviews (2005–2017) show more balanced criticism. This recency skew may inflate current perception.
• ONE SEVERELY NEGATIVE OUTLIER (2016): A review describing $7,000 in damages from improper pump handling and abandonment stands out as exceptionally serious, though isolated.
• PRICING TRANSPARENCY ISSUE: Company advertises 'pay by the job, not by the hour,' yet multiple reviews confirm they do charge hourly rates in certain situations, creating customer confusion and trust issues.

This WW Score of 82.3 is reliable and well-supported by 151 reviews with strong mention counts across all dimensions. However, the score masks a significant structural weakness in pricing practices and transparency that has persisted for nearly two decades. Customers should expect professional, responsive, high-quality service but should obtain detailed written estimates, request itemization, and compare pricing with competitors before committing.

McNabb Plumbing demonstrates strong professionalism and project completion across a large sample of recent reviews (48 and 35 mentions respectively), with consistent praise for punctuality, communication, courtesy, and thorough workmanship. Technical expertise is well-documented with 28 mentions of skilled diagnostics and quality installations. However, pricing emerges as a significant weakness with 8 explicit complaints about high costs relative to work performed, including two detailed grievances about $400+ charges for relatively simple jobs. The company excels in customer service and reliability but struggles with value perception.

• PRICING CONCERN: Multiple reviews (at least 4) explicitly criticize pricing as excessive. Two 1-star reviews detail $366-$450 charges for 45-minute jobs, and another complains of $200+ for 10 minutes of drain unplugging. This pattern suggests systematic overpricing relative to market expectations.
• SAFETY INCIDENT: One 1-star review from 2019 describes a serious safety failure where technician 'Mike' failed to cap a gas line, exposing the customer to dangerous gas leak. Customer reports feeling unsafe and company only refunded $100 of $627 charge. This is a critical quality and liability issue.
• SILICA DUST HAZARD: One 1-star review from 2015 reports workers exposed customer to respirable silica dust without proper containment, creating health hazard. Indicates potential safety protocol deficiency.
• RECENCY BIAS NOTED: 39 of 57 reviews are from 2024-2025 (68%), creating potential recency skew. Older reviews (2015-2020) contain more critical safety and pricing complaints. Recent reviews are overwhelmingly 5-star with minimal negative feedback.
• GENERIC PRAISE PATTERN: Many recent 5-star reviews use similar phrasing ('professional,' 'friendly,' 'efficient,' 'prompt') with minimal specific detail. While not necessarily fake, the consistency warrants cautious interpretation.

This WW Score of 82.3 is reliable for assessing professionalism and project completion (HIGH confidence based on 48 and 35 mentions), but the pricing dimension is understated due to limited explicit mentions (8) despite clear pattern of customer dissatisfaction; the score should be interpreted as reflecting strong operational execution undermined by significant value-for-money concerns and historical safety incidents that are not fully captured in the recent review volume.

Derek demonstrates exceptional professionalism across nearly all reviews, with consistent praise for responsiveness, communication, punctuality, and courteous demeanor. Pricing is fairly represented as transparent and fair across multiple engagements. However, project completion is significantly impacted by one critical failure: a bathroom reglazing job where the tub paint peeled within 2 weeks and Derek refused warranty work, citing 'you got what you paid for.' This serious follow-through failure substantially lowers the overall score despite strong technical execution in other projects. Experience and workmanship quality are generally praised, though the reglaze failure raises questions about quality control.

• CRITICAL: One 1-star review (2024-04-28) documents a significant warranty/follow-up failure on a reglazed tub that failed within 2 weeks. Derek initially ignored callbacks for weeks, then refused to warranty the work. This is a major red flag for project completion and customer care.
• PATTERN ALERT: 8 of 10 reviews are 5-star with highly positive language ('amazing,' 'fantastic,' 'unbelievable,' 'rare find'). While not necessarily fake, the uniformity is notable. The single 1-star review provides critical balance and suggests the positive reviews may not capture full picture.
• RECENCY: 7 of 10 reviews are from 2024 (past 12 months), providing good current data. However, 2 reviews are from 2022, which are older.
• NAME INCONSISTENCY: Review 7 references 'Sharpers 1st' while all others reference 'Derek' — possible business name variation or data entry issue, but does not affect scoring.

This score should be trusted with moderate-to-high confidence due to sufficient recent data and clear evidence across dimensions, but the single critical failure in project completion (warranty refusal) is a serious concern that may not be fully captured in the 82.3 aggregate score; potential customers should be aware of the warranty/follow-up risk demonstrated in the April 2024 incident.