Office Assistant Senior salary at National City

The average office assistant senior salary at National City was $42,673 , which is 42 percent lower than the average salary for this job in California, but 19 percent higher than the national average for this job . Office Assistant Senior salaries at National City typically range from $22,449 to $64,949 (25th to 75th percentile). The highest reported office assistant senior salary was $75,017. There are 13 employees at National City with the job title office assistant senior.