Project Assistant Salary in Seattle, WA.
Updated on: Jan 28, 2026
How much does a Project Assistant make in Seattle, WA?
The average Project Assistant in Seattle, WA makes $93,567,
51% above the national average Project Assistant salary of $61,862.
This pay is 22% greater than the combined average salaries of other metroes San Jose, CA, Jacksonville, FL, and Tucson, AZ.
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The majority of people who work as Project Assistant say “Yes” when asked the question “Do you believe you're paid fairly?”
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*Data is estimated and depends on the generous anonymous contributions of individuals