Cupertino Plumbing

Cupertino Plumbing presents a deeply divided record across nearly 15 years of reviews. Positive reviews frequently praise named technicians (Mario, Danny, Isaac, Angel, Frank) for punctuality, courtesy, and technical competence on straightforward residential jobs such as water heater replacements, drain clearing, and repiping. However, a substantial volume of negative reviews — many highly detai... Read more

Cupertino Plumbing presents a deeply divided record across nearly 15 years of reviews. Positive reviews frequently praise named technicians (Mario, Danny, Isaac, Angel, Frank) for punctuality, courtesy, and technical competence on straightforward residential jobs such as water heater replacements, drain clearing, and repiping. However, a substantial volume of negative reviews — many highly detailed and credible — describe serious workmanship failures on larger jobs, particularly repiping and remodeling projects, including faulty installations, abandoned contracts, and refusal to honor warranty claims. Pricing is a persistent concern, with multiple reviewers citing hourly billing manipulation, excessive parts markups, and charges far above market rate for comparable work. Project completion is significantly undermined by reviews describing unfinished remodels, jobs requiring multiple return visits without resolution, and at least two detailed accounts of catastrophic workmanship failures on large commercial and residential repiping jobs. The score reflects a contractor that may perform adequately on small, routine jobs but carries meaningful risk on complex or large-scale projects. Read less