Administrative Support Assistant III Salary in Seattle, WA.
Updated on: Oct 1, 2025
How much does a Administrative Support Assistant III make in Seattle, WA?
The average Administrative Support Assistant III in Seattle, WA makes $64,100,
51% above the national average Administrative Support Assistant III salary of $42,380.
This pay is 19% greater than the combined average salaries of other metroes San Jose, CA, Sacramento, CA, and Jacksonville, FL.
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Administrative Support Assistant III Salary Average
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*Data is estimated and depends on the generous anonymous contributions of individuals