Investigator IV Salary in Seattle, WA.
Updated on: Apr 29, 2026
How much does a Investigator IV make in Seattle, WA?
The average Investigator IV in Seattle, WA makes $128,111,
51% above the national average Investigator IV salary of $84,701.
This pay is 20% greater than the combined average salaries of other metroes San Jose, CA, Raleigh, NC, and Atlanta, GA.
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Investigator IV Salary Average
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*Data is estimated and depends on the generous anonymous contributions of individuals