Find Nearby Plumbers In Chino, California

Southwest Copper Repiping demonstrates strong performance across all dimensions with consistently high marks for professionalism, project completion, and technical expertise. The company excels at completing complex repiping jobs in single days with large, well-coordinated crews, meticulous wall patching, and thorough cleanup. Pricing is competitive and transparent, with multiple reviews noting bids below competitor quotes. However, one significant 1-star review from 2018 alleges material failure (multiple leaks within 14 years of a 2004 job), which substantially impacts confidence in long-term durability despite overwhelmingly positive recent feedback.

• CRITICAL: One 1-star review (2018) reports catastrophic failure—5 leaks within 1 year of 2004 repiping job, with customer alleging substandard copper materials. This directly contradicts the company's quality claims and suggests potential material or workmanship issues on some jobs. This single negative review significantly reduces confidence in experience/durability dimension.
• RECENCY BIAS: 24 of 37 reviews are from 2014 or earlier (65% of dataset). Only 4 reviews are from 2024-2025. Recent data is limited, making it difficult to assess current performance standards.
• SUSPICIOUS PATTERNS: Multiple reviews contain nearly identical phrasing ('one day completion,' 'crew of 12,' 'patched walls perfectly,' 'very professional'). While this may reflect genuine consistency, the repetitive language across 15+ reviews raises minor concerns about review authenticity. However, specificity varies enough (different crew names, different dates, different property details) to suggest genuine reviews rather than fabricated ones.
• EMPTY/MINIMAL REVIEWS: 4 reviews contain no text or only punctuation (dates: 2019-06-11, 2016-06-11, 2015-06-22, 2015-04-30, 2014-03-30), reducing data quality for those entries.
• OUTLIER NEGATIVE: The 2018 1-star review stands alone in a sea of 5-star ratings. While this could indicate a genuine failure case, the 14-year gap between service (2004) and complaint (2018) makes causation attribution difficult. However, it cannot be ignored and materially impacts experience/durability confidence.

This WW Score of 88.2 should be treated with MODERATE-TO-HIGH confidence for recent work quality and professionalism, but with REDUCED confidence regarding long-term material durability and warranty claims due to the 2018 failure report. The score reflects exceptional consistency in execution and customer satisfaction across 36 reviews, but the single catastrophic failure allegation and heavy recency bias (65% of reviews pre-2014) warrant caution before assuming this score applies equally to current work. Recommend requesting detailed warranty information and material certifications before engaging.

Supreme Plumbing demonstrates strong performance across all dimensions with a WW Score of 87.2. Professionalism is a standout strength (89.5), with extensive evidence of punctuality, responsiveness, clear communication, and courteous behavior across 58 reviews. Project completion scores well at 86.0 based on 51 mentions, showing consistent job finishing and follow-through, though two significant negative reviews document incomplete work and non-responsiveness to callbacks. Pricing is solid at 82.0 across 22 mentions, with customers frequently praising fair rates and transparency, though a few reviews note higher-than-expected costs. Experience/workmanship rates 88.5 across 45 mentions, reflecting skilled technical work and problem-solving ability. The company benefits from strong recent review activity (majority from 2021 onward) and consistent positive feedback from repeat customers.

• Two critical negative reviews (1-star ratings from 2023-06-10 and 2021-12-17) document serious service failures: one involving $20,000 in work with repeated no-shows and rescheduling; another involving a major installation error (dishwasher drain connected to air vent) causing $2,000+ in water damage and mold, with the contractor refusing responsibility. These are not minor complaints and significantly impact reliability assessment.
• One 3-star review (2024-09-12) documents failure to respond to 5 emails and 1 text requesting W-9 tax information after job completion, indicating communication breakdown on administrative follow-up.
• One 3-star review (2013-05-20) notes pricing significantly higher than competitors for similar work, and one 1-star review (2012-07-09) documents no callback on pricing and missed appointment.
• One review (2022-06-10) is blank with only a 5-star rating and no text content—cannot be evaluated for data.
• Majority of reviews are 5-star with highly positive language, but this is mitigated by presence of substantive negative reviews with specific details, suggesting reviews are generally authentic rather than fake. However, some reviews use very similar phrasing ('highly recommend,' 'professional,' 'responsive') which is common in plumbing industry reviews.
• Review date range spans 2005–2025, with significant clustering in 2021–2025 (approximately 65 of 80 reviews). Older reviews (pre-2015) are sparse and may not reflect current operations.

This WW Score of 87.2 is reliable with HIGH overall confidence, supported by 51–58 mentions across three dimensions and consistent positive feedback from repeat customers. However, the score should be interpreted with caution: two serious documented failures (no-shows on $20,000 project; installation error causing $2,000+ damage) indicate that while the company typically performs well, it is capable of significant lapses in accountability and quality control. The score reflects average performance across a large sample, but prospective customers should be aware that worst-case scenarios documented in negative reviews are possible. Recommend requesting references and clarifying warranty/liability terms before engaging for major projects.

Alberto's Plumbing earns strong marks across all four dimensions, with the large volume of reviews providing HIGH confidence in every category. Professionalism is consistently praised — punctuality, responsiveness, courtesy, and communication appear in the vast majority of substantive reviews — but is tempered by a handful of credible negative experiences involving poor follow-through, misleading advertising about free estimates, and a disputed service charge. Pricing is generally regarded as fair and reasonable, with multiple reviewers explicitly comparing Alberto favorably to competitors, though two reviews cite unexpectedly high quotes and one describes a deceptive service-charge practice, preventing a higher score. Project completion scores well overall, with most jobs described as fully resolved, but the garbage disposal review (job left leaking after two attempts, no receipt issued) and the drain-cleaning review (drain not noticeably improved, no post-job check, no receipt) are credible, specific complaints that meaningfully reduce this dimension. Experience is the strongest dimension, with numerous reviewers highlighting Alberto's technical knowledge, problem-solving ability, and use of specialized equipment such as hydro-jetters and sewer cameras, though the inability to service a non-generic faucet brand in one review introduces a minor limitation.

• 5 reviews contain no text at all — only a star rating. These were excluded from dimension scoring as they provide no usable evidence.
• A small number of reviews are very brief and generic (e.g., 'Great service, will definitely call them again', 'Very friendly & cordial', 'Great people to work with'). While not conclusively fake, they lack specifics and were given minimal weight in scoring.
• One reviewer (1-star, 2015) explicitly states Alberto called them to ask them to remove their Yelp review and admitted fault over the phone — this is a significant business ethics flag and was weighted accordingly.
• One reviewer (1-star, 2020) flagged discomfort with how Alberto solicited the review — a minor but noted concern about review integrity.
• The majority of reviews span 2014–2024, with the most recent substantive reviews from 2024. Reviews older than 3 years were given slightly reduced weight, though patterns are consistent across time periods.
• No clear evidence of coordinated fake reviews was detected; reviews vary in length, detail, tone, and rating, which supports authenticity of the corpus overall.
• Receipt and documentation issues were raised independently by at least two separate reviewers — this is a recurring operational concern worth flagging for prospective customers.

This WW Score is based on 78 reviews spanning approximately 10 years, with strong mention counts across all four dimensions, making it one of the more reliable assessments possible; however, prospective customers should note a consistent pattern of documentation complaints (no receipts issued) and at least two credible negative experiences involving incomplete or misdiagnosed work.

Sweetwater Plumbing demonstrates strong overall performance with a WW Score of 82.1, driven primarily by exceptional professionalism (87.3) and solid technical expertise (85.8). The company excels in punctuality, communication, and work quality, with technicians consistently praised for friendliness, knowledge, and thoroughness. Project completion is reliable at 84.5, though some callbacks and follow-up issues are noted. The primary weakness is pricing (71.2), with recurring complaints about high costs, unexpected charges, and estimates that exceed competitor quotes. Recent reviews (past 12 months) are predominantly positive, though pricing concerns persist across all time periods.

• PRICING CONCERNS: 42 mentions of pricing issues reveal a consistent pattern. Multiple customers report costs significantly higher than competitors (e.g., $1,350 for 1-hour pipe install, $500 filter charge, $850 for 2-hour PVC work, $1,100 coupling replacement). Some customers felt overcharged or misled about final costs.
• INCONSISTENT SERVICE QUALITY: While most reviews are 5-star, there are isolated reports of incomplete work (drywall not patched, water heater installed but electrical issue required callback), missed appointments without communication, and occasional unprofessional behavior from ownership.
• POTENTIAL UPSELLING PATTERN: Several reviews mention technicians recommending unnecessary work or upgrades (e.g., full re-pipe when simple repair sufficed, new cartridges when kinked line was the issue). This suggests possible pressure to increase job scope.
• NEGATIVE OWNERSHIP INTERACTIONS: A few reviews mention difficult interactions with the owner/management regarding pricing disputes, warranty claims, and scheduling conflicts, contrasting sharply with positive technician feedback.
• OLDER REVIEWS SHOW DETERIORATION: Reviews from 2007-2011 indicate past issues with responsiveness, warranty non-compliance, and unprofessional conduct. More recent reviews (2019+) are predominantly positive, suggesting possible company improvement or review platform changes.
• FAKE REVIEW RISK - MODERATE: Approximately 15-20 reviews contain minimal detail (e.g., 'Top notch', 'Superior Service', blank text with 5-star rating). However, most detailed reviews are specific and credible, reducing overall fake review concern.

This WW Score of 82.1 is reliable and should be trusted for professionalism and technical competence, but customers should independently verify pricing before committing, as cost concerns are substantive and consistent across the review period.

Fierce Plumbing demonstrates strong overall performance with particular strengths in professionalism (87.5) and project completion (88.0), supported by extensive evidence across 24 and 20 reviews respectively. The company excels at punctuality, responsiveness, communication, and follow-through on commitments. However, pricing emerges as a notable weakness (72.5) with two significant negative reviews citing price disputes and alleged overcharging, creating tension with the predominantly positive pricing feedback from other customers. Experience and technical knowledge are well-documented (85.0) with consistent praise for thoroughness and problem-solving ability.

• PRICING INCONSISTENCY: Two 1-2 star reviews (Aug 2024, Oct 2023) explicitly cite overpricing and price disputes, contrasting sharply with 12 other reviews praising fair pricing. The Aug 2024 review details a specific incident where quoted price ($650 with $275 credit) escalated to $1600, then $1200—suggesting potential pricing volatility or communication breakdown.
• RECENCY CONCERN: Most reviews (28 of 35) are from 2021-2022, with only 7 reviews from 2023-2024. The two most recent negative reviews (Aug 2024, Oct 2023) suggest possible recent service quality or pricing issues that may not be reflected in the older positive reviews.
• POTENTIAL FAKE REVIEW PATTERN: Reviews from 2021-2022 show repetitive phrasing ('Joe is thorough and reliable,' 'very professional,' 'highly recommend') and nearly identical 5-star ratings with minimal specificity. Two reviews (Jan 19-20, 2022) are nearly identical word-for-word, suggesting possible duplication.
• SAMPLE BIAS: 31 of 35 reviews are 5-star ratings. The two 1-star and one 2-star review provide critical counterbalance but represent only 8.6% of feedback, which may underweight legitimate service concerns.

This WW Score of 82.1 should be treated with MODERATE-TO-HIGH caution: while the company demonstrates genuine strengths in professionalism and project completion supported by substantial evidence, the pricing dimension is compromised by conflicting data and recent negative reviews, and the heavy concentration of older reviews limits confidence in current service quality. The score reflects a company with solid fundamentals but unresolved pricing transparency issues that warrant direct inquiry before engagement.

G&G Plumbing demonstrates strong performance across all measured dimensions. Professionalism is consistently praised with mentions of same-day responsiveness, quick arrival, and courteous service across all four reviews. Project completion is solid, with all jobs finished on time and thoroughly cleaned up. Experience and workmanship are highlighted through successful repairs of complex issues (sewer main, drain pipe, garbage disposal). Pricing is mentioned positively but only in 2 reviews, limiting confidence in that dimension. The small sample size (4 reviews) and lack of any negative feedback warrant a MODERATE overall confidence rating.

• Small sample size (4 reviews) limits statistical reliability
• All reviews are 5-star ratings with no critical feedback — consider whether this represents genuine consensus or potential selection bias
• Most recent review is from April 2024; oldest is from September 2022 — recency is acceptable but sample spans nearly 2 years
• No explicit mention of pricing details or transparency in quotes; only 2 mentions of 'fair pricing' without specifics

This score should be treated with caution due to the small sample size (4 reviews) and absence of any negative feedback, which may not fully represent the contractor's performance across all customer interactions.