The average custodian salary at Hesperia was $47,787 , which is 35 percent lower than the average salary for this job in California, and 33 percent lower than the national average for this job . Custodian salaries at Hesperia typically range from $23,758 to $71,817 (25th to 75th percentile). The highest reported custodian salary was $73,824. There are 4 employees at Hesperia with the job title custodian.