Assistant Engineer salary at Napa

The average assistant engineer salary at Napa was $174,293 , which is 34 percent higher than the average salary for this job in California, and 89 percent higher than the national average for this job . Assistant Engineer salaries at Napa typically range from $164,512 to $182,511 (25th to 75th percentile). The highest reported assistant engineer salary was $208,256. There are 17 employees at Napa with the job title assistant engineer.