Hathaway Dinwiddie Construction Company


Building a better future for the planet and its people

Experts in Building Sustainably

From LEED, Net Zero or even fully regenerative buildings – we stay up to date on the latest sustainable building techniques and certifications. We can assist with all levels of LEED certification, Net Zero Energy or Carbon pursuits, Living Building Challenge aspirations, Fitwel, and WELL Building compliance.

Our in-house MEP Department experts provide design-assist services and help to coordinate efficient systems and our expert Precon team can provide embodied carbon analyses.

2021 ENR Rankings

Ever-Evolving Sustainability Experience

Decades of LEED Experience

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Featured Project: City of Santa Monica City Services Building

The Living Building Challenge is the most rigorous sustainable building certification attainable and is administered by the International Living Future Institute. Hathaway Dinwiddie built the new Santa Monica City Services building under this framework, and today it is the greenest municipal building in the world.

The project went beyond LEED, requiring beginning-to-end operational compliance with strict, regenerative triple net-zero standards. One of the many ways the City Services Building is unique is how it does not import or export any water, energy, or waste–thus making it a “Living Building”.

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