The average buyer salary at Costa Mesa was $150,692 , which is 52 percent higher than the average salary for this job in California, and 171 percent higher than the national average for this job . Buyer salaries at Costa Mesa typically range from $150,095 to $151,289 (25th to 75th percentile). The highest reported buyer salary was $151,289. There are 2 employees at Costa Mesa with the job title buyer.