Assistant Engineer salary at Central Contra Costa Sanitary District (Contra Costa)

The average assistant engineer salary at Central Contra Costa Sanitary District (Contra Costa) was $193,519 , which is 48 percent higher than the average salary for this job in California, and 110 percent higher than the national average for this job . Assistant Engineer salaries at Central Contra Costa Sanitary District (Contra Costa) typically range from $179,268 to $217,106 (25th to 75th percentile). The highest reported assistant engineer salary was $239,422. There are 16 employees at Central Contra Costa Sanitary District (Contra Costa) with the job title assistant engineer.