Substitute Custodian salary at Fremont Union High

The average substitute custodian salary at Fremont Union High was $52,721 , which is 1354 percent higher than the average salary for this job in California, and 1736 percent higher than the national average for this job . Substitute Custodian salaries at Fremont Union High typically range from $19,397 to $77,333 (25th to 75th percentile). The highest reported substitute custodian salary was $155,886. There are 19 employees at Fremont Union High with the job title substitute custodian.