Project Office Assistant Salary in Seattle, WA.
Updated on: Jan 7, 2026
How much does a Project Office Assistant make in Seattle, WA?
The average Project Office Assistant in Seattle, WA makes $89,987,
51% above the national average Project Office Assistant salary of $59,495.
This pay is 22% greater than the combined average salaries of other metroes San Jose, CA, El Paso, TX, and Dallas, TX.
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Project Office Assistant Salary Average
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*Data is estimated and depends on the generous anonymous contributions of individuals