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Seattle Center’s legacy of providing residents and visitors access to world-class arts, education, and recreation opportunities in a central location began in 1962 with the Century 21 World’s Fair. The Seattle Center Century 21 Master Plan guides the ongoing redevelopment of the Seattle Center's 74-acre campus in response to the needs of a diverse and dynamic community. More information on the Century 21 Master Plan can be found at the bottom of the page.

As stewards of the campus, the Seattle Center department is actively working on major maintenance, capital improvements, and long-term planning projects, including:

More information on the current redevelopment of the former KeyArena
New Arena Info
The DuPen Fountain is currently closed due to redevelopment of the New Arena at Seattle Center. We are using this time to reimagine the DuPen Fountain. The original sculptures by Everett DuPen will return in a new plaza when the Arena re-opens. Meanwhile, check out some other artworks by the artist which were recently installed inside McCaw Hall.
Watch Everett DuPen video

Seattle Center Garage Improvements

At Mercer Garage, seismic work and maintenance upgrades are being completed this spring. Several shear walls are being added, columns are being strengthened by being wrapped with a fiber-reinforced polymer, and cracks and spalls are being repaired throughout the garage. At the 5th Avenue North Garage, existing lighting fixtures are being replaced with more energy-efficient LED fixtures. The fixture layout is being optimized such that a portion of the existing fixtures can be removed while still maintaining appropriate lighting levels.
Thank you to the hundreds of people who participated in our public outreach process! The design for the new public skate plaza at Seattle Center was approved by the Seattle Design Commission on August 1, 2019. Construction of the new Seattle Center Skate Plaza has been suspended temporarily due to proposed construction expenses outside the scope of the project budget. Project plan revisions anticipate construction completion by spring 2021. Scroll down to the blue Skate Park Documents box below to download the Design Commission Presentation and other relevant project documents, or visit the project page link.
Skate Plaza Info

Armory Exterior Improvements

The Armory exterior is being restored to highlight the façade’s original architectural characteristics. The first phase of work, scheduled for 2020, includes the removal of the awnings on the west side of the building. Later in the year, pending Landmarks and Preservation Board approval, the exterior will be cleaned and painted and new exterior signage will be added. Further improvements are planned for 2021: new doors at the east and west entries to the Food Hall, lighting, and new, slimmer awnings on the west side.

Campus ADA Improvements

New ADA compliant hardware is being installed in the Armory, Fisher Pavilion, Exhibition Hall, the Vera Project, parking facilities, and Marion Oliver McCaw Hall.

Monorail Upgrades

Monorail work is being performed in anticipation of the opening of the new Arena at Seattle Center. These include station electrical systems, train flooring replacement, train door hardware upgrades, and station upgrades.

Skate Plaza Development Documents

Century 21 Master Plan Downloads