John is a Master Plumber and the owner of O’Neill Bros, LLC, a plumbing business located in Washington, DC. John explains every facet of plumbing, from pipe fabrication and installation on commercial projects to fixing a leaky drain on a home project. A career in plumbing can reward those who have a strong interest in mechanics, math, and even video games. Find out how!
Plumber and Owner, O’Neill Bros, LLC
