The average custodian salary at Torrance was $54,271 , which is 26 percent lower than the average salary for this job in California, and 24 percent lower than the national average for this job . Custodian salaries at Torrance typically range from $34,888 to $69,435 (25th to 75th percentile). The highest reported custodian salary was $85,064. There are 18 employees at Torrance with the job title custodian.