Admin Assistant salary at Contra Costa County Office of Education

The average admin assistant salary at Contra Costa County Office of Education was $102,422 , which is 6 percent lower than the average salary for this job in California, but 112 percent higher than the national average for this job . Admin Assistant salaries at Contra Costa County Office of Education typically range from $102,547 to $115,826 (25th to 75th percentile). The highest reported admin assistant salary was $135,553. There are 14 employees at Contra Costa County Office of Education with the job title admin assistant.