The average custodian salary at Yuba City was $59,158 , which is 19 percent lower than the average salary for this job in California, and 17 percent lower than the national average for this job . Custodian salaries at Yuba City typically range from $14,568 to $82,046 (25th to 75th percentile). The highest reported custodian salary was $94,373. There are 9 employees at Yuba City with the job title custodian.