Administrative Assistant salary at Contra Costa County Office of Education

The average administrative assistant salary at Contra Costa County Office of Education was $115,042 , which is 22 percent higher than the average salary for this job in California, and 53 percent higher than the national average for this job . Administrative Assistant salaries at Contra Costa County Office of Education typically range from $104,654 to $125,429 (25th to 75th percentile). The highest reported administrative assistant salary was $130,516. There are 4 employees at Contra Costa County Office of Education with the job title administrative assistant.