The clinic has offered free medical, dental, and vision care to uninsured and underinsured residents, drawing thousands of volunteers and dozens of partner organizations each year. Organizers described the decision as wrenching and said it reflects a health care landscape that has made the massive pop-up operation unsustainable.

“This was an incredibly difficult decision to make,” said Julia Colson, Seattle Center project executive. “We understand this news is hard and impactful for many in our community, particularly at a time when there are increasing challenges to healthcare access.”

Colson said the clinic was always intended as a temporary response to gaps in the region’s health care system, not a permanent solution. But its annual presence had become a critical lifeline for people who fall through the cracks — those without insurance, with inadequate coverage, or unable to afford dental and vision care that often goes uncovered.

Randy Engstrom, director of Seattle Center, said the program cannot continue under current conditions. “We wish we could continue offering the Clinic until everyone has the healthcare they need,” he said. “Unfortunately, the realities of the changing circumstances and healthcare landscape prevent us from continuing.”

Organizers pointed to a combination of factors: shortages of essential equipment and services, rising costs, staffing changes, and difficulties securing in-kind donations. Those pressures, they said, make it impossible to maintain the quality and standards the clinic has promised its patients and volunteers.

“When we started the Seattle/King County Clinic, we made a foundational commitment to our patients, volunteers, and partners that we would never compromise on the quality of services provided or the standards required to deliver them responsibly,” Colson said. “As the complexities and resources necessary to produce a project of this scale continue to change, we recognize that we won’t be able to honor that commitment beyond the 2027 Clinic.”

The final event will place greater emphasis on connecting patients to ongoing community resources while still delivering the medical, dental, and vision services that have defined the clinic for more than a decade. Seattle Center said it plans to redirect existing assets and partnerships toward permanent health care organizations and will lead a community engagement process to shape future programs.

“In tandem with the 2027 Clinic, we will lead an in-depth community engagement process with community partners, local organizations, and leaders to explore how we can harness the project’s knowledge, care, and energy to find new and sustainable ways to meet needs,” Engstrom said. “Seattle Center’s ongoing commitment to social impact positions us to collaborate on these opportunities in ways that best capitalize on our campus, experience, and expertise.”

The closure comes as health care access remains a pressing concern locally and nationally, with rising premiums, provider shortages, and gaps in coverage straining working families. For the thousands who have relied on the clinic’s annual event, the end of the program leaves an uncertain path forward — one that organizers acknowledge will require a broader, sustained response.

Leaders said the clinic’s legacy will carry on through efforts to connect, collaborate, and care for neighbors, but they offered no replacement plan for the direct services the four-day event has provided. The 2027 clinic is expected to draw the same overwhelming demand that has marked past years, with patients often arriving hours before doors open for a chance at free care.