Find Nearby Plumbers Companies In 96813, Honolulu, Hawaii

Diamond Head Plumbing exhibits significant inconsistency across all dimensions. While some customers report excellent professionalism and skilled workmanship (particularly praising specific technicians like Chris, Warren, and Peyton), many others describe rude staff, unprofessional behavior, and poor communication. Pricing is a major pain point, with numerous complaints about excessive charges, hidden fees, inflated estimates, and markups on parts. Project completion suffers from no-shows, incomplete work, callbacks needed for fixes, and abandoned jobs. Technical quality varies dramatically—some jobs are completed expertly while others involve shoddy workmanship, material failures, and structural damage discovered years later. The company's inconsistency suggests quality depends heavily on which crew is dispatched.

• SIGNIFICANT INCONSISTENCY: Reviews range from 1-star to 5-star with stark contrasts in experience quality, suggesting crew-dependent service delivery rather than consistent company standards.
• PRICING COMPLAINTS PERVASIVE: At least 32 reviews explicitly mention overcharging, hidden fees, inflated estimates, excessive markups on parts, and unfair pricing practices. This is a systemic issue.
• PROFESSIONALISM CONCERNS: Multiple reviews describe rude office staff (particularly 'Mariella'), unprofessional technicians, poor communication, no-shows, and failure to return calls or follow up on promised callbacks.
• PROJECT COMPLETION FAILURES: Numerous reviews document incomplete work, abandoned jobs, multiple callbacks needed to fix initial work, and failure to honor warranties or provide promised credits.
• LONG-TERM QUALITY ISSUES: Several reviews describe problems discovered years after completion (rotting drywall, cracked foundations, rusted materials, structural damage), suggesting poor workmanship or material selection.
• POTENTIAL FAKE REVIEWS: Multiple 5-star reviews from 2020-2021 use nearly identical phrasing ('professional, courteous, on time, cleaned up') with minimal detail. However, these are balanced by numerous detailed negative reviews, so overall fake review risk is MODERATE rather than HIGH.
• RECENCY CONCERN: Most recent reviews (2024-2025) are predominantly negative (1-2 stars), suggesting deterioration in service quality or increased customer dissatisfaction over time.
• LEGAL/COMPLIANCE ISSUE: One 2025 review alleges failure to display required Hawaii contractor license number on advertising materials and website, suggesting potential regulatory non-compliance.

This WW Score of 62.8 should be treated with caution despite HIGH confidence in the data. The score reflects genuine high-volume evidence of serious problems (pricing, professionalism, completion), but the extreme variability in customer experiences means individual outcomes are highly unpredictable and crew-dependent. Recent reviews trend negative, suggesting current service quality may be worse than the overall score indicates.

This single review from 2008 documents severe failures across professionalism, pricing, and project completion. The plumber was unprofessional (no-shows, poor communication), charged $196 for incomplete work, and failed to complete the job on two scheduled appointments. No technical skill or experience is mentioned. However, a WW Score cannot be reliably calculated from a single review, and this review is over 15 years old, making it of limited relevance to current business operations.

• INSUFFICIENT DATA: Only 1 review provided. WW Score requires minimum 3 reviews for reliability.
• RECENCY ISSUE: Review is from August 2008 (16+ years old). Does not reflect current business practices or personnel.
• SINGLE REVIEW BIAS: Scoring from one review is unreliable and subject to individual circumstance variation.

Insufficient Data — cannot calculate WW Score reliably. A single review from 2008 cannot provide a trustworthy assessment of current contractor performance.