School Custodian Salary in Seattle, WA.
Updated on: Dec 24, 2025
How much does a School Custodian make in Seattle, WA?
The average School Custodian in Seattle, WA makes $66,054,
51% above the national average School Custodian salary of $43,672.
This pay is 12% greater than the combined average salaries of other metroes San Jose, CA, Philadelphia, PA, and Denver, CO.
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School Custodian Salary Average
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*Data is estimated and depends on the generous anonymous contributions of individuals