The average buyer salary at Fontana Unified was $77,410 , which is 22 percent lower than the average salary for this job in California, but 39 percent higher than the national average for this job . Buyer salaries at Fontana Unified typically range from $54,190 to $100,630 (25th to 75th percentile). The highest reported buyer salary was $100,727. There are 4 employees at Fontana Unified with the job title buyer.