Mitigated determination of non-significance: UWMC Outpatient Medical Center Expansion

Pursuant to the provisions of WAC 197-11-340 and WAC 478-324-140, the UW hereby provides public notice of: MITIGATED DETERMINATION OF NON-SIGNIFICANCE

Project Name: UWMC Outpatient Medical Center Expansion

Proponent/Lead Agency: University of Washington

Comment Period Closes: July 6, 2026

Description: The project is intended to modernize and expand the existing medical center by remodeling four existing and developing four new operating rooms, including upgrades and additions to associated support spaces (approx. 9,700 sq.ft. expansion). SEPA checklist: https://facilities.uw.edu/committees/sepa

Location: The proposal is located at 10330 Meridian Avenue N in the Northgate neighborhood of Seattle. The site is generally bound by multi-family residential buildings to the north, Interstate-5 to the east, an apartment complex and undeveloped, natural areas to the south, and Meridian Avenue N to the west.

Contact Person: Julie Blakeslee, UW Planner; UW Facilities; Box 359571; Seattle, WA  98195-9571; jblakesl@uw.edu