Laboratory Prep Assistant Salary in Seattle, WA.
Updated on: Jan 7, 2026
How much does a Laboratory Prep Assistant make in Seattle, WA?
The average Laboratory Prep Assistant in Seattle, WA makes $131,750,
51% above the national average Laboratory Prep Assistant salary of $87,107.
This pay is 15% greater than the combined average salaries of other metroes San Jose, CA, San Diego, CA, and Long Beach, CA.
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Laboratory Prep Assistant Salary Average
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*Data is estimated and depends on the generous anonymous contributions of individuals