McMaster and Unifor Unit 5 reach tentative agreement  

McMaster and Unifor Local 5555 Unit 5, representing Operations and Maintenance staff at the university, have reached a tentative collective agreement.  

December 1, 2025

A corner of Hamilton Hall against the sky, framed by a tree with red leaves in the foreground.

McMaster and Unifor Local 5555 Unit 5, representing Operations and Maintenance staff at the university, have reached a tentative collective agreement.

The union and the university will each proceed through their ratification processes.

McMaster negotiates with all employee groups based on a set of core principles, including bargaining in good faith and committing to long-term, collaborative relationships with union partners.

Looking upward at the top of McMaster University Medical Centre from street level.

Planned water service disruption at McMaster University Medical Centre overnight August 7

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The exterior of the McMaster University Medical Centre on a sunny day.

Water service restored throughout McMaster University Medical Centre following planned overnight repair

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