Safety
We are dedicated to ensuring the well-being of our employees, clients, and the communities in which we work.
Need Service?
P.J. Dionne Company takes pride in responding in a timely manner to your service needs.We Get the Job Done
P.J. Dionne Company serves the commercial plumbing and HVAC needs of public and private organizations across the Greater Boston area.
Pre-Construction
Streamlining project initiation includes schematic designs, narratives, and final construction documentation.
Service & Maintenance
We address immediate issues, identify performance limitations, and offer cost-effective solutions.
Plumbing
P.J. Dionne Company began as a plumbing company and plumbing still comprises the majority of our work.
BIM / Pre-Fab
We’ve expanded our use of BIM to determine optimal design and prevent conflicts before they happen.
HVAC
We specialize in hospital, life science, and institutional projects and can offer custom solutions for any HVAC project.
Careers
We foster a collaborative atmosphere where camaraderie, professional growth, and reflection thrive.Located just north of Boston, P.J. Dionne Company has been a trusted name in commercial plumbing and HVAC services since its founding in 1991. Starting as a small plumbing company, we've grown into a dynamic team of skilled service professionals and dedicated support staff. Our journey from humble beginnings to a leading contractor in the greater Boston area reflects our commitment to excellence and customer satisfaction.
Join Our TeamLatest Projects
William E. Carter School
Boston, MA
100 CambridgeSide
Cambridge, MA
26 Court Office Renovation
Boston, MA
51 Melcher Street
Boston, MA
Boston Public Schools Bathroom Renovations
Boston, MA
Carlson Crossing West
Framingham, MAOur Clients Say...
As the owner of commercial real estate throughout Greater Boston, Sabre Management has come to depend on P.J. Dionne Company to service our diverse facilities.
Larry Whitten
Sabre Management
As part of the leadership team of a third-generation family-owned business; trust, support, and loyalty are the foundational building blocks of the enduring relationships that we have built with our Clients and our Partners.
Tom Monroe | Chief Financial Officer & Director of Engineering
Elaine Construction
The reason we work with P.J. Dionne Company is that they are one of the most responsive plumbing subcontractors in Boston.