Find Nearby Plumbers In Oakland, California

Insufficient Data — cannot calculate WW Score reliably. Only 1 review was analyzed. The single review is positive across all dimensions, mentioning professionalism (personable, professional), reasonable pricing, successful project completion (excellent job, pleased with results), and quality workmanship. However, a single review cannot establish reliable patterns or confidence in scoring.

• Only 1 review available — statistically insufficient for reliable scoring
• Review is from 2019 (5+ years old) — does not reflect current service quality
• Single positive review without comparative data cannot establish true performance baseline

This score cannot be calculated or trusted. A minimum of 3 reviews is required to produce a meaningful WW Score. Collect additional recent reviews before relying on any scoring.

Only a single review is available, making any scoring highly tentative. The reviewer praised same-day responsiveness, clear communication, and a successful water heater installation, which positively informs professionalism, project completion, and experience. Pricing was not mentioned at all and cannot be scored. Because this is a single review from 2018 — over six years old — recency weighting further reduces reliability. Scores have been kept conservative in line with the limited evidence available.

• Only 1 review analyzed — far below the minimum threshold of 3 required for a reliable WW Score.
• The sole review is dated June 2018, making it over 6 years old. It carries very low recency weight and may not reflect current performance.
• Pricing dimension has no data whatsoever and cannot be evaluated.
• With a single 5-star review, there is no way to assess consistency, detect patterns, or rule out atypical performance.

This score should not be trusted as a reliable indicator of contractor quality — only one review exists, it is over six years old, and the minimum data threshold for a valid WW Score has not been met.

This single review from January 2013 describes a generally positive experience with Bay Area Sewers for a sewer lateral replacement in Oakland. The reviewer noted that the company was competitive on price after negotiating to beat other estimates, and the job was completed within three days of initial contact with no surprises. Project completion is the strongest signal here, as the reviewer explicitly confirmed the work was done on time, correctly, and resulted in a passing compliance certificate. Professionalism and experience scores are conservatively set because the reviewer's praise is somewhat general rather than highly specific about workmanship or crew conduct. All scores carry very low confidence due to the single review and the age of the data (over 10 years old).

• Only 1 review provided — WW Score cannot be calculated reliably per minimum threshold of 3 reviews.
• Review is dated January 2013, making it over 10 years old. It carries very little weight as an indicator of current service quality.
• Insufficient data to detect fake review patterns, but the single review is moderately specific and plausible — no fake review flag raised.
• All dimension scores are based on a single mention and should be treated as highly speculative.

This score is not reliable — it is based on a single review that is more than a decade old, and no meaningful conclusions about current contractor quality can be drawn from this data alone.

This single review provides limited evidence across only two dimensions. The reviewer explicitly praises the owners' friendliness and knowledge, supporting a professionalism score of 90. Technical skill is inferred from the mention of 'great reputation' and government/adjuster assignments, yielding an experience score of 85. However, no information is provided regarding pricing, value, or project completion specifics. With only one review and two scoreable dimensions, a reliable WW Score cannot be calculated.

• Insufficient review volume (n=1) — cannot calculate WW Score reliably per Step 4 threshold
• Review appears to be from a professional peer/colleague rather than a direct customer, which may introduce bias
• No pricing information provided
• No explicit project completion details mentioned
• Review is from October 2023 (approximately 1+ year old depending on current date)

This score cannot be trusted for decision-making; a minimum of 3 reviews is required to produce a reliable WW Score, and this analysis contains only 1 review with limited dimensional coverage.

This single review describes a complete sewer replacement project and provides meaningful detail across all four scoring dimensions. Professionalism is supported by positive communication mentions, though the reviewer explicitly noted a preference for email over calls, suggesting a minor communication style mismatch. Pricing was noted as upper-middle among five bids and described as reasonable given the scope, but the contractor was not the cheapest option, warranting a conservative price-friendly score. Project completion is strong — the job was finished despite an unexpected complication requiring additional trenching, and the change order was described as reasonable. Experience is evidenced by the contractor's unique ability to locate a buried clean-out and navigate a complex sewer crossing issue, demonstrating above-average technical problem-solving.

• Only 1 review analyzed — WW Score cannot be calculated reliably with fewer than 3 reviews.
• All dimension scores carry LIMITED confidence due to single-review basis. Scores should not be treated as representative of overall contractor quality.
• Review is dated October 2023, which is within the past 12–24 months at time of analysis — recency is acceptable but not recent.
• No fake review patterns detected — review contains specific project details, named personnel, location references, and a constructive criticism, all indicators of authenticity.

This score is based on a single detailed and credible review and should be considered highly preliminary — additional reviews are required before any meaningful confidence in the WW Score can be established.