United Association (UA) Local 71 Ottawa-Gatineau-Cornwall | Plumbers, Pipefitters/Steamfitters & Welders

Plumbers • Steamfitters • Welders

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About Us

Servicing Ottawa, Gatineau, Cornwall & Pembroke

United Association (UA) Local 71 is a premier construction trade union of Plumbers, Steamfitters, Welders and Apprentices. We serve the National Capital Region of Ottawa and Gatineau and south east to Cornwall.

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Training

With our continued commitment to training, members will keep pace with new technology and remain the best-trained workforce, in our industry!

UA Trades Training

Apprenticeship Training

Safety Training

Industries We Serve

At UA Local 71, our expertise spans a diverse range of industries, reflecting our commitment to excellence and adaptability. From construction and fabrication to residential developments and essential services, our team consistently delivers unparalleled skills and dedication across all sectors. Explore our offerings to discover the breadth and depth of our capabilities.

Industrial - Commercial - Institutional

High Rise Residential

Low Rise Residential

Residential Housing

Service Sector

Natural Gas Distribution Pipeline

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Become an Apprentice

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News and Announcements

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Upcoming Courses

Attention: The Member's Portal is currently offline due to: Technical Difficulties with Leniac Web Service - Please contact the Union Office. Please note that during this period, login and all other functions are unavailable. We appreciate your patience and understanding. We expect the portal to be back up by 2 minutes. Thank you for your patience.

Newly Licenced

Congratulations to the following members for obtaining their licenses. You should be proud of your achievement!

Plumbers & Steamfitters Licence

Congratulations to Nicolas McKay who has successfully completed his apprenticeship and is now a Licensed Plumber!

Welder's License

Notices of Death

It is with great sadness that we announce the passing of the following members:

Gerald Preston — May 15, 2026 - Gerald was a UA Local 71 Life Member!
Family and friends are invited to celebrate Gerald's life at the Daley Family Funeral Home, 6971 Bank St. from 5 pm to 8 pm on Tuesday May 26, 2026.
View Gerald's Obituary

Join UA Local 71

Join the union in either apprenticeship, or if you are already a certified plumber, steamfitter or welder, as a journeyman.

Journeyman Apprentice