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Accountability
One scope, one team, one signature on the schedule. We don't subcontract our way out of responsibility.
A name contractors stake their schedules on.
At Concord Plumbing & Heating Inc., we take pride in serving the Industrial, Commercial, and Institutional sectors for over ten years. From New Construction Builds to Major Renovations, our expertise and dedication to quality have established us as a trusted leader in the industry.
Mission
Delivering quality results safely, on time, and with lasting value.
Our mission is to build and sustain enduring partnerships through exceptional performance and trust. We are dedicated to adding value, fostering innovation, and upholding integrity in every project. With professionalism and efficiency at the forefront, we pride ourselves on completing projects on schedule and exceeding client expectations.
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Years in mechanical contracting
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Years operating as Concord
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Disciplines, fully integrated
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Union locals powering our crews
Our history
Three decades, told in milestones.
From a single license to a multi-discipline mechanical contracting practice trusted on the GTA’s most demanding builds.
Early
Apprenticeship begins
Paul Postiglione enters the plumbing trade as an apprentice at 16, working alongside seasoned mechanical contractors across the GTA.
Licensed
Full plumbing license at 19
Earns full provincial plumbing certification — one of the youngest journeymen in his cohort. Spends the next decade leading crews on commercial sites.
Founded
First independent shop
Establishes his own contracting firm with a focus on design-build engagements that bigger contractors weren’t willing to take on. Word travels fast among general contractors.
Concord
Concord Plumbing & Heating Inc. is born
Co-founds Concord with partner Pat to formalize the firm’s expansion into integrated mechanical scope across the ICI sector.
Industry
Joins the MCAT Board
Appointed to the Board of the Mechanical Contractors Association of Toronto — and shortly after, named Chair of the Small Contractors Committee.
Today
30+ years and counting
Concord operates from a dedicated shop on Guided Court in Etobicoke, dispatching crews from UA Local 46 and SMW Local 30 to projects across the Greater Toronto Area.
what we stand for
Six values that show up on the job.
02
Schedule discipline
We work backwards from your immovable date. Every dependency tracked, every long-lead item ordered before you ask.
03
Plain talk
Clear communication is half the job. No surprises in the field, no weasel-words in the email, no buried changes in the invoice.
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Built to spec
Our crews don't approximate the drawings. Every joint, every fixture, every diffuser — installed to spec the first time.
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Long partnerships
Many of our biggest clients have been with us for over a decade. Repeat work is the only metric of trust that matters.
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Trade-led
Our partners are unionized journeymen — UA 46 plumbers and SMW 30 sheet metal workers. Trained, certified, paid fairly.
Workforce & affiliations
Two unions. One industry voice.
Concord crews are dispatched through two of Ontario’s most respected mechanical-trade unions — and Paul represents small contractors at the GTA’s leading industry body.
UA Local 46
UA 46
United Association · Plumbers & Steamfitters
Concord's plumbing and steamfitting crews are sourced through UA Local 46 — the GTA's largest local representing Toronto's licensed plumbers, pipefitters, welders, and HVAC service personnel.
3,500+Members in the local
SMW Local 30
SMW 30
Sheet Metal Workers' International · Local 30
Our sheet metal and HVAC fabrication scope is delivered through SMW Local 30 — the union representing Toronto-area sheet metal workers since 1899.
1,800+Members in the local
Industry bodyMechanical Contractors Association of Toronto
Board · Chair, SCCLeadership
The partners running the shop.
PP
Paul Postiglione
Partner and Director · Concord Plumbing & Heating Inc.
With over 30 years of experience in the Mechanical ICI sector, Paul Postiglione began his career as an apprentice before quickly earning his full plumbing license. His passion for the trade and strong business instincts led him to establish his own company at the young age of 19, where he focused on design-build opportunities while also serving the retail, industrial, and commercial sectors. As a partner at Concord Plumbing & Heating Inc., Paul has driven the growth of the business, fostering long-lasting relationships with general contractors, architects, and engineers, which has resulted in years of repeat business. Paul’s deep industry knowledge and commitment to building lifelong partnerships have earned him a position on the Board of the Mechanical Contractors Association of Toronto, where he also serves as the Chair for the Small Contractors Committee.
PC
Patrick Carbonara
Partner and President · Concord Plumbing & Heating Inc.
Patrick Carbonara brings over 25 years of expertise and leadership to Concord Plumbing & Heating Inc., with a focus on the Industrial, Commercial, and Institutional (ICI) sector. His deep operational knowledge and hands-on experience have been instrumental in the company’s growth, enabling it to manage multiple projects and crews efficiently while maintaining a commitment to operational excellence. Patrick began his career as an apprentice and earned licenses across various areas of the trade, equipping him with a comprehensive understanding of the business. His passion for delivering projects on time and within budget has fostered close collaboration with workers, general contractors, and site/project managers. Patrick’s mentorship has elevated the skills and craftsmanship of many team members, ensuring high-quality results and adherence to schedules and budgets across all projects.