Janitor Supervisor salary at Alameda County

The average janitor supervisor salary at Alameda County was $106,582 , which is 16 percent lower than the average salary for this job in California, but 99 percent higher than the national average for this job . Janitor Supervisor salaries at Alameda County typically range from $110,681 to $123,591 (25th to 75th percentile). The highest reported janitor supervisor salary was $125,279. There are 8 employees at Alameda County with the job title janitor supervisor.