In the Diamond Bar area, Authority Plumbing, Heating & Air is well known for providing exceptional plumbing repair, installation, and service. The people we send out to serve you are also top notch, something you'll see in their reviews below. Everyone you deal with at our company has the goal of making sure your experience with us will be so good you'll call us every time you need help. You can feel confident working with Authority Plumbing, Heating & Air because we stand behind our work and comply with all local codes. This is why, as you can see by the map and reviews below, we are rated so highly for Plumbing, Heating, and AC Repair in Diamond Bar, CA. Call us today at 888.682.8846!