The city of SeaTac, Washington, is moving forward with the creation of a new civic campus, with an estimated cost between $85 million and $216 million to build a city hall and supporting amenities. Currently in the design phase, construction is slated to begin in late 2027.
Working off a feasibility report, the SeaTac City Council determined that the initial pitch to renovate and expand the existing city hall would be cost-prohibitive without resolving core issues plaguing the building.
The current structure is severely outdated, lacking adequate seismic safety measures, systems that have lived past their useful life, fail to accommodate ADA individuals, missing needed space and containing several hazardous materials.
Officials are considering three alternatives for the civic campus, located at a site the city council plans to secure this December.
- Option B would cost between $145 million and $203 million to build a single building with a city hall, justice center, parking garage and plaza.
- Option C would cost between $155 million and $216 million for two buildings housing the city hall, justice center, parking garage and plaza.
- Option D would cost between $85 million and $119 million to only build the city hall, parking garage and plaza.
The city hall structure is projected to cover roughly 56,000 square feet, while the justice center is projected to cover around 45,000 square feet. The parking structure will be built on a 1.9-acre plot and offer 270 stalls, while the public plaza and sally port will cover nearly 35,000 square feet.
All options will include associated site work and utility connections. A central roadway will provide access to the parking garage. The garage itself will feature a below-grade parking level with two entrances with a secure sally port integrated with the justice center.
While these facilities will be the cornerstone of the civic camps, the city council has expressed interest in incorporating additional amenities into the site’s buildout. These may be used for community gatherings, retail, art, food and recreation. The city is required to build on-site housing as part of the project, including at least 20% of the 230 units being dedicated to affordable housing.
Photo by AS Photography from Pexels
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