Probation Officer III Extra Help salary at Sonoma County

The average probation officer iii extra help salary at Sonoma County was $37,657 , which is 53 percent higher than the average salary for this job in California, and 53 percent higher than the national average for this job . Probation Officer III Extra Help salaries at Sonoma County typically range from $14,601 to $50,151 (25th to 75th percentile). The highest reported probation officer iii extra help salary was $52,191. There are 8 employees at Sonoma County with the job title probation officer iii extra help.