Janitor salary at Alameda County

The average janitor salary at Alameda County was $82,793 , which is 2 percent lower than the average salary for this job in California, but 76 percent higher than the national average for this job . Janitor salaries at Alameda County typically range from $75,509 to $93,834 (25th to 75th percentile). The highest reported janitor salary was $114,970. There are 74 employees at Alameda County with the job title janitor.