Harold McMahon

AWESOME COMPANY, AWESOME PEOPLE ! Professional, kind, patient office crew and wonderful group of technical folks that are skilled and knowledgable and patient. Grateful for the care they take in...

discuss options of a water tank replacement or a tankless system. Decided the tankless system it was the way to go it was professionally installed

Harold McMahon Plumbing in Amagansett is truly a professional organization. Unlike my previous plumber, they fixed all my minor plumbing problems systematically and efficiently. Yesterday, I...

I cannot actually say if McMahon Plumbing provides "good value for service" because we never got that far. But I can say...(1) it took 30 hours to get a return call (so, no, they don't "respond...

I manage a home in East Hampton and did not have hot water. I thought I would have to purchase a new hot water heater. Harold and his associate came out within 1 hour (I called at 3:15), told me...