Substitute Custodian salary at San Marcos Unified

The average substitute custodian salary at San Marcos Unified was $21,069 , which is 481 percent higher than the average salary for this job in California, and 634 percent higher than the national average for this job . Substitute Custodian salaries at San Marcos Unified typically range from $13,120 to $23,015 (25th to 75th percentile). The highest reported substitute custodian salary was $41,798. There are 14 employees at San Marcos Unified with the job title substitute custodian.