Custodian salary at City of Seattle

The average custodian salary at City of Seattle was $59,273 , which is 52 percent higher than the average salary for this job in Washington, but 17 percent lower than the national average for this job . Custodian salaries at City of Seattle typically range from $59,472 to $64,687 (25th to 75th percentile). The highest reported custodian salary was $73,739. There are 20 employees at City of Seattle with the job title custodian.