Office Assistant III Salary in Seattle, WA.
Updated on: Dec 10, 2025
How much does a Office Assistant III make in Seattle, WA?
The average Office Assistant III in Seattle, WA makes $52,634,
51% above the national average Office Assistant III salary of $34,799.
This pay is 27% greater than the combined average salaries of other metroes San Jose, CA, Virginia Beach, VA, and Las Vegas, NV.
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Office Assistant III Salary Average
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*Data is estimated and depends on the generous anonymous contributions of individuals