Since
1928
Excellence in Construction Since 1928
Building Ontario’s Future
Founded in 1928, Dineen Construction is a trusted leader in Ontario’s construction industry, offering general contracting, construction management, and design-build services. We provide innovative, client-focused solutions that prioritize safety, quality, and efficiency.
Backed by nearly a century of experience, we’ve earned a reputation for reliability, integrity, and precision. With a commitment to collaboration, sustainability, and excellence, Dineen Construction continues to shape Ontario’s landscape with every build.
A Wealth of Experience in a Variety of Market Sectors
With nearly a century of expertise, Dineen Construction has built a diverse portfolio spanning healthcare, university, transportation, residential, and commercial sectors. Our deep industry knowledge allows us to anticipate challenges, deliver innovative solutions, and bring our clients’ visions to life with confidence and precision.
Peterborough
Peterborough Regional Health Centre, MRI & Tower Addition
Toronto
Toronto General Hospital, Organ Regeneration Lab
Toronto, ON
March of Dimes, 99 Duncan Mills
Toronto, ON
Sunnybrook General Hospital, Portable Lab Building
Toronto, Ontario
York University Campus Wide Classroom Renewal
From concept to completion, we provide comprehensive construction services, ensuring every project is expertly planned, efficiently managed, and built to the highest standards of quality and safety.
Dedicated to Safety
zero lost time injuries since 2000
Dineen Construction has proudly maintained zero lost time injuries since 2000—a testament to our unwavering commitment to protecting our people and ensuring every project is completed safely and efficiently.
COR certified company
Dineen Construction is a proud COR certified company, demonstrating our commitment to the highest standards of health, safety, and risk management on every project we undertake.