Find Nearby Plumbers In Glendora, California

The Lone Rooter demonstrates strong professionalism with consistent praise for communication, responsiveness, and friendly demeanor across multiple reviews. Technical competence is well-documented with mentions of thorough work and problem-solving ability. Pricing is characterized as reasonable and fair. However, a critical 1-star review from 2022 reveals a significant service failure involving poor communication during an emergency call, which substantially impacts project completion reliability. The review portfolio is heavily weighted toward older reviews (6 of 10 from 2012 or earlier), limiting confidence in current operational standards.

• RECENCY CONCERN: 60% of reviews are from 2012 or earlier (2004, 2012, 2013, 2015, 2016). Only 2 reviews from 2024 and 2022. Current service quality may differ significantly from historical performance.
• CRITICAL SERVICE FAILURE: 2022 review documents poor emergency response—customer called three times over 3.5 hours with conflicting information about technician availability. This directly contradicts claims of 'quick response' and 'great communication' in other reviews.
• POTENTIAL FAKE REVIEW PATTERN: Review from 2004 uses all-caps language ('EVERYTHING STEVE DOES IS TOP QUALITY') with generic superlatives and no specific details. References 'Steve' as plumber, but other reviews consistently name Tony, Omar, and Tammy. This review may be from a different business or artificially inflated.
• INCONSISTENT TECHNICIAN NAMES: Multiple technicians mentioned (Steve, Tony, Omar) across different time periods. Unclear if this represents business growth or review contamination.
• PROJECT COMPLETION SCORE TEMPERED: While most reviews praise completion, the 2022 emergency service failure and lack of recent reviews prevent higher confidence in current project completion reliability.

This WW Score should be treated with caution due to heavy reliance on reviews older than 5 years and a documented service failure in 2022 that contradicts positive claims. The score reflects historical performance more than current operational standards. Recent customer feedback is insufficient to validate whether service quality has improved or declined since the 2022 incident.

Dorsey Plumbing demonstrates strong professionalism with consistent praise for punctuality, courtesy, and communication across 7 reviews. Technical expertise is well-documented with 5 mentions of skilled diagnostics and problem-solving. Project completion shows solid performance (5 mentions) though one critical 1-star review from 2017 citing complete non-responsiveness over 2 weeks significantly impacts this dimension. Pricing is favorable (3 mentions) with customers noting fair rates and value. The company's primary weakness is responsiveness/communication reliability, as evidenced by both the 1-star review and one 5-star review noting difficulty reaching them.

• One review (2016-02-29) contains only a period with no substantive content—treated as unusable data
• Significant recency gap: 6 of 9 reviews are from 2016-2018 (5-8 years old); only 2 reviews from 2020-2022. Older reviews may not reflect current operations
• One critical 1-star review (2017-12-02) citing complete non-responsiveness for 2 weeks contradicts the otherwise uniformly positive feedback and suggests potential communication/reliability issues that may persist
• Multiple reviews use generic praise language ('rock', 'fantastic', 'amazing') but are supported by specific details, so not flagged as fake, though some lack depth

This score should be treated with moderate caution due to limited recent data (only 2 reviews in past 3 years) and one serious unresolved complaint about non-responsiveness that conflicts with the otherwise excellent reputation; the score reflects historical performance but current reliability cannot be fully verified.

North Star (formerly John A. Martin Heating & Air) demonstrates strong professionalism with consistent praise for courteous, prompt technicians and responsive customer service across 12 reviews. Technical expertise is well-documented with 9 mentions of quality workmanship and problem-solving. However, project completion shows mixed results: while most jobs are completed satisfactorily, one 2024 review reports complete communication breakdown after initial service, and another 2016 review indicates pricing surprises. Pricing concerns appear in 4 reviews, with complaints about lack of upfront quotes, aggressive upselling, and one allegation of a potential "shakedown" for unnecessary retrofits. The company's age and ownership transition (from John Martin to North Star) may explain some service inconsistency.

• RECENCY CONCERN: 7 of 15 reviews are older than 5 years (2013-2017), with only 5 reviews from 2024. Recent reviews show more critical feedback, suggesting possible service degradation post-acquisition.
• PRICING RED FLAG: Review from 2020-02-21 alleges aggressive upselling and potential fraudulent retrofit recommendations. While owner responded quickly, the allegation of a 'shakedown' is serious and unresolved in the review.
• COMMUNICATION FAILURE: 2024-04-14 review reports complete non-responsiveness after initial service (no callbacks for 2+ weeks despite multiple attempts), contradicting the 'always calls back' claim in older reviews.
• OWNERSHIP TRANSITION: Multiple reviews reference John Martin's retirement and North Star takeover. Quality and service standards may have shifted; newer reviews are less uniformly positive than older ones.
• QUOTE INCONSISTENCY: Two reviews (2016 and 2020) mention lack of upfront quotes or significant price surprises, suggesting inconsistent quoting practices.

This score should be treated with MODERATE confidence due to significant recency bias (46% of reviews are 5+ years old), conflicting recent feedback, and unresolved allegations of aggressive sales practices; the company's strong historical reputation is being challenged by recent service and communication failures.

Hans demonstrates strong pricing transparency and professionalism across most reviews, with customers consistently praising affordability, honesty, and courteous service. However, a critical 2019 incident where Hans failed to follow through on a scheduled callback and left a customer without communication significantly impacts overall reliability. While recent reviews (2024) and older positive reviews (2015-2017) show quality workmanship and problem-solving, the project completion dimension is weakened by the documented abandonment case. The WW Score of 78.2 reflects solid fundamentals undermined by a serious follow-through failure that raises concerns about consistency.

• RECENCY CONCERN: Most reviews are 5+ years old (2015-2017). Only 1 recent review from 2024. The 2019 negative review is 5 years old but documents a serious service failure (no-show, no communication).
• CRITICAL INCIDENT: The 2019 review documents Hans failing to return as promised, not responding to calls/texts, and leaving customer in crisis on a Saturday. This is a severe project completion and professionalism failure.
• PATTERN OBSERVATION: Five of six reviews are 5-star ratings with generic praise language ('professional,' 'honest,' 'reasonable'). While not necessarily fake, the lack of specific detail in positive reviews combined with one catastrophic failure suggests inconsistent service quality.
• SAMPLE SIZE: Only 6 reviews total limits confidence in overall assessment. More recent data needed to determine if 2019 incident was anomaly or pattern.

This score should be treated with caution due to small sample size, heavy reliance on older reviews, and one documented critical failure that contradicts the positive narrative. The 78.2 score reflects genuine strengths in pricing and professionalism but is tempered by serious concerns about follow-through reliability.

M&K demonstrates strong technical expertise and experience across multiple service areas, with consistent praise for knowledge-based problem-solving and quality workmanship. Pricing appears fair and transparent based on available feedback. However, professionalism is significantly undermined by a documented failure to return calls or communicate with an insurance-assigned customer, which directly contradicts the positive testimonials about responsiveness. The review dataset is heavily skewed toward older reviews (4 of 5 from 2012–2014), with only one recent review from 2022, limiting confidence in current service standards.

• RECENCY CONCERN: 80% of reviews are older than 10 years (2012–2014). Only 1 review from past 12 months. Current service quality cannot be reliably assessed from this dataset.
• PROFESSIONALISM CONTRADICTION: One 1-star review explicitly documents failure to return calls over multiple weeks, directly contradicting claims of responsiveness and professionalism in other reviews. This is a material service failure.
• POTENTIAL SELECTION BIAS: Older reviews may reflect historical performance; recent customer experience is underrepresented.
• GENERIC PRAISE PATTERN: Multiple reviews use enthusiastic but non-specific language ('top of the line,' 'best in the industry') without detailed technical descriptions, though this is not conclusive of fakery given the long timespan.

This score should be treated with caution due to severe recency bias (80% of reviews over 10 years old) and a direct contradiction between professionalism claims and documented communication failure; the WW Score reflects historical reputation but does not reliably predict current service quality.

Across the usable reviews, this contractor receives consistent praise for professionalism, responsiveness, and technical knowledge, with multiple reviewers specifically calling out Paul and his team as honest, respectful, and skilled. Pricing is generally described as fair and reasonable, though one 1-star review explicitly accuses the company of inflated quotes, which meaningfully pulls the pricing dimension down. Project completion is mostly positive, but one reviewer noted a cracked plastic fitting that required a follow-up visit, and another withheld top marks pending that callback, introducing a small but real completion concern. Experience scores well, with a building inspector reportedly impressed by the work and multiple reviewers citing knowledgeable, efficient execution. The single negative review on pricing, while isolated, is specific enough to warrant a conservative score in that dimension.

• RECENCY WARNING: Five of seven reviews are older than 1 year, with four reviews dating back to 2006–2017. Only one review is from the past 12 months (2024). The WW Score is heavily influenced by older data and may not reflect current service quality.
• NEGATIVE PRICING SIGNAL: One 1-star review (2006) explicitly states the company provides inflated quotes hoping customers won't verify them. While isolated and old, it is specific and credible enough to reduce the pricing score.
• MINOR COMPLETION FLAG: One reviewer (2014) withheld top marks because a newly installed part cracked and required a follow-up repair, indicating a minor but real quality-control lapse.
• REVIEW VOLUME WARNING: Only 7 total reviews span nearly 18 years of business history. This is an extremely thin dataset and limits the reliability of all dimension scores despite some reaching HIGH confidence thresholds numerically.

This WW Score should be treated with caution — while dimension confidence levels are technically HIGH due to mention counts, the extremely small total review pool (7 reviews) spread across 18 years, combined with only one recent review, means this score has low real-world reliability and should not be considered a stable representation of current contractor quality.