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When you’re building an asset that’s going to serve the public for centuries to come, you need a construction partner you can trust to add value through quality work, delivered efficiently and safely.

Cassidy Construction is owned, run and staffed by people who are passionate about building things better. During more than two decades in the industry, we have earned a reputation as a reliable and responsive self-performing contractor with a strong track record of excellence in technical and challenging infrastructure work, including working around live assets without service disruption.

What makes us different from many contractors is that we can deliver end-to-end service and certainty throughout your entire programme. Because we’re self-performing, including the horizontal elements of your infrastructure project as well as the vertical components, we can be efficient, agile and innovative.

upper nihotupu dam bridge repair cassidy construction
Upper Nihotupu Dam Bridge Repair

Upper Nihotupu Dam Bridge Repair

Waiuku water treatment plant for Watercare Cassidy Construction
Waiuku Water Treatment Plant

Waiuku Water Treatment Plant

Pukekohe water treatment plant works in progress Cassidy Construction
Pukekohe Water Treatment Plant

Pukekohe Water Treatment Plant

Hunua Views Pump Station

Hunua Views Pump Station

Kowhai Reservoir Upgrade old concrete roof being removed removed Cassidy Construction
Kōwhai Reservoir Upgrade

Kōwhai Reservoir Upgrade

Warkworth Wells water treatment plant
Warkworth Water Treatment Plant

Warkworth Water Treatment Plant

Pinehill Reservoir Auckland built by Cassidy Construction
Pinehill Reservoir Upgrade

Pinehill Reservoir Upgrade

Redoubt Road Reservoir Upgrade

Redoubt Road Reservoir Upgrade

Chlorine Gas Dosing Facility

Chlorine Gas Dosing Facility