In addition to Commercial Plumbing, we also provide service for Plumbing, Heating and Air Conditioning. Whether you are looking to fix a leak, do preventative maintenance on your AC or install a solar solution, W. J. Maloney has the experience and the knowledge to get the job done. W.J. Maloney Plumbing is proud to be a family company with deep roots in the Phoenix area. Founded in 1964 by William Joseph Jr. and Mary Kathryn Maloney, the company is now helmed by their daughter, Kathryn Maloney-Langmade. Customers tell us that they like doing business with us because of our values: that we work hard, treat others honestly and fairly, and always look for a better way to do something so that we create the most value for the best cost. We believe these values - that we strive to uphold daily - come from our founders. And that being a family business means treating our employees and customers with a respect and friendliness that goes beyond mere business relationships.