Scott Holum

Scott Holum


Associate Principal, Senior Plumbing Designer


Since 1980, Scott's Interface career has focused on integrating sustainability into plumbing design, including harvesting from rainwater, high-efficiency fixtures, and energy recovery systems. He is CPD-certified and a Medical Gas inspector, and is also an active member of the American Society of Plumbing Engineers where he has filled various roles on the Portland board for the past 12 years.

Scott's Office

Since day one, the Portland region has been our headquarters. The city’s culture of innovation, environmental sensitivity, and collaborative spirit mirrors our own. As longtime leaders in sustainability, we participated in some of the early west coast LEED projects as well as one of the first certified net zero energy...

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