Purchasing Assistant salary at Ontario

The average purchasing assistant salary at Ontario was $68,540 , which is 14 percent lower than the average salary for this job in California, but 59 percent higher than the national average for this job . Purchasing Assistant salaries at Ontario typically range from $41,716 to $95,363 (25th to 75th percentile). The highest reported purchasing assistant salary was $95,363. There are 2 employees at Ontario with the job title purchasing assistant.