At Donovan Plumbing & Heating, we believe good work speaks for itself—and that every home and business deserves reliable, high-quality plumbing and heating you can count on.

Serving homeowners and businesses from the Seacoast through the Lakes Region of New Hampshire, and along the Route 125 to Route 16 corridor, we provide dependable service backed by experience, professionalism, and pride in the work we do.

As a Licensed Gas Fitter and Master Plumber, Donovan Plumbing & Heating brings the knowledge and skill needed to handle everything from everyday repairs to full system installations. Whether it’s plumbing, heating, gas services, or water systems, our focus is always the same—do it right, do it safely, and do it with attention to detail.

We understand how important it is to have systems in your home that work when you need them. That’s why we take the time to help you make the right decisions, explain your options clearly, and deliver solutions that are built to last—not just quick fixes.

At the end of the day, this is a local business built on trust, reliability, and relationships. When you call Donovan Plumbing & Heating, you’re working with someone who cares about the outcome just as much as you do.