Janitor salary at Sonoma County

The average janitor salary at Sonoma County was $100,556 , which is 14 percent higher than the average salary for this job in California, and 80 percent higher than the national average for this job . Janitor salaries at Sonoma County typically range from $94,090 to $103,306 (25th to 75th percentile). The highest reported janitor salary was $112,204. There are 5 employees at Sonoma County with the job title janitor.