by
Gus Iversen, Editor in Chief | April 06, 2026
Kaiser Permanente has started construction on a new hospital tower at its Sunnyside Medical Center in Clackamas, Oregon, with completion expected in 2029.
The project will add a seven-story, 615,000-square-foot facility to the campus and is designed to operate as a fully electric hospital, a first in the state. The building is also targeting LEED Gold certification, part of the Oakland, California-based health system’s broader sustainability efforts.
The expansion is intended to increase capacity and modernize care delivery at the medical center, which first opened in 1975 and now employs more than 2,300 clinicians and staff. The site includes regional programs in neurosurgery, cancer care, cardiovascular services, and a Level III neonatal intensive care unit.

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According to Kaiser Permanente, the new tower will include private patient rooms throughout, expanded emergency department capacity, and updated surgical and imaging capabilities. Plans also call for integrated telemedicine functionality and redesigned clinical spaces aimed at supporting team-based care.
“This new hospital tower is a direct investment in their ability to continue that work,” said Leong Koh, M.D., executive medical director of Northwest Permanente. “Designed for team-based care, advanced technology, and a healing environment, it will give our patients the privacy, safety, and comfort they deserve while supporting our clinicians in delivering the best possible outcomes.”
The project reflects a growing focus among health systems on reducing environmental impact through building design and energy use. Kaiser Permanente said the fully electric infrastructure is expected to significantly lower the facility’s carbon footprint.
Construction is projected to support more than 600 jobs at peak activity. Once the new tower opens, the existing hospital building is expected to be replaced with parking and outdoor spaces.
Sunnyside is one of two Kaiser Permanente hospitals serving Oregon and southwest Washington, alongside Westside Medical Center in Hillsboro.