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Claim This BusinessMy Cousin Vinnie operates as a dual-trade contractor serving Dover, Delaware and surrounding Kent County communities. The business maintains 77 customer reviews on file with an overall rating of 3.6 stars, reflecting a service record that generates strong loyalty from some clients while drawing criticism from others. Specializing in both plumbing and HVAC systems, the company handles residential calls ranging from routine maintenance to emergency repairs. Working through home warranty partnerships, the contractor dispatches technicians to properties across the region, including multi-unit dwellings where unit access requires specialized equipment.
Customer feedback points to uneven service execution. Positive reviews praise individual technicians who demonstrate attention to detail and thorough communication, with one plumber named Rob receiving commendation for treating each call as if it were his own property. However, negative reviews raise concerns about incomplete work, disputed diagnoses, and billing disagreements with home warranty administrators. The mixed reputation suggests service quality may depend heavily on which technician responds to a given dispatch.
Recent review patterns reveal specific scenarios worth noting. One client in February 2026 reported a leak diagnosis that proved incomplete, with the problem recurring after the visit. Another review describes a 2021 renovation where multiple finishing steps were omitted, requiring follow-up contractors to complete the work. These accounts suggest prospective clients should request detailed written diagnostics before authorizing repairs and verify all scope items are addressed before payment.
3 of 5 detailed reviews award 1 star citing incomplete repairs or billing disputes, while 1 review awards 5 stars specifically naming plumber Rob for exceptional thoroughness. The remaining review describes a 2021 renovation with post-project issues still being corrected.
Leak detection, pipe fitting, faucet and fixture repairs, and diagnostic services for residential plumbing systems.
AC tune-ups, heating system service, and routine maintenance to maintain system efficiency.
Urgent repairs for plumbing or HVAC failures requiring same-day response.
Equipment replacement and new installation services for both plumbing fixtures and HVAC units.
System improvements addressing ventilation and air filtration for residential properties.