Seattle-Tacoma International Airport (Airport) is owned and operated by the Port of Seattle (Port). The Airport is currently working on their Sustainable Airport Master Plan (SAMP) to plan for growth in the next 5, 10, 15, and 20 year term.
To visit their website, click here.
The airport is a central feature of the City and, as such, the City Manager’s Office is actively involved in assessing and influencing the growth and operations of the Airport on behalf of SeaTac's residents and businesses. The City’s relationship with the Port of Seattle's airport is directed through an Interlocal Agreement (ILA).
The 2018 ILA documents can be found here.