Office Assistant salary at Orange County Sanitation District

The average office assistant salary at Orange County Sanitation District was $70,171 , which is 12 percent higher than the average salary for this job in California, and 42 percent higher than the national average for this job . Office Assistant salaries at Orange County Sanitation District typically range from $59,743 to $84,621 (25th to 75th percentile). The highest reported office assistant salary was $98,956. There are 5 employees at Orange County Sanitation District with the job title office assistant.