Information Systems Specialist salary at Contra Costa County

The average information systems specialist salary at Contra Costa County was $93,997 , which is 38 percent lower than the average salary for this job in California, and 14 percent lower than the national average for this job . Information Systems Specialist salaries at Contra Costa County typically range from $57,983 to $127,694 (25th to 75th percentile). The highest reported information systems specialist salary was $155,919. There are 16 employees at Contra Costa County with the job title information systems specialist.