Office Manager salary at Contra Costa County

The average office manager salary at Contra Costa County was $108,137 , which is 25 percent higher than the average salary for this job in California, and 101 percent higher than the national average for this job . Office Manager salaries at Contra Costa County typically range from $82,059 to $134,214 (25th to 75th percentile). The highest reported office manager salary was $142,074. There are 4 employees at Contra Costa County with the job title office manager.