Assistant Back Office Salary in Seattle, WA.
Updated on: Jan 28, 2026
How much does a Assistant Back Office make in Seattle, WA?
The average Assistant Back Office in Seattle, WA makes $148,276,
51% above the national average Assistant Back Office salary of $98,033.
This pay is 8% greater than the combined average salaries of other metroes San Jose, CA, Boston, MA, and Portland, OR.
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Assistant Back Office Salary Average
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*Data is estimated and depends on the generous anonymous contributions of individuals