Linchpin Plumbing Group is built on a simple mission: to deliver reliable, high-quality plumbing and heating solutions with craftsmanship, precision, and care. Serving homeowners, businesses, and contractors across the Boston area, the team approaches every project—whether a quick repair or a complex system installation—with the same commitment to getting it done right the first time.
Founded by David Walsh, a licensed Master Plumber and Construction Supervisor with decades of experience, Linchpin has grown from a small operation into a trusted name in both residential and commercial plumbing. The company’s reputation has been built on integrity, responsiveness, and a dedication to excellence.
With deep community roots and a team that values clear communication and professionalism, Linchpin Plumbing Group delivers solutions that are not only functional but thoughtfully designed. Licensed and insured, the company ensures peace of mind for every client by combining technical expertise with a strong focus on customer care.

