Janitor salary at Alameda County

The average janitor salary at Alameda County was $90,196 , which is 3 percent higher than the average salary for this job in California, and 62 percent higher than the national average for this job . Janitor salaries at Alameda County typically range from $79,708 to $104,783 (25th to 75th percentile). The highest reported janitor salary was $135,819. There are 74 employees at Alameda County with the job title janitor.