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 $184,452 , which is 23 percent higher than the average salary for this job in California, and 50 percent higher than the national average for this job . Assistant Engineer salaries at Central Contra Costa Sanitary District (Contra Costa) typically range from $157,236 to $216,344 (25th to 75th percentile). The highest reported assistant engineer salary was $250,959. There are 20 employees at Central Contra Costa Sanitary District (Contra Costa) with the job title assistant engineer.