Medical Office Assistant salary at San Mateo County

The average medical office assistant salary at San Mateo County was $94,370 , which is 36 percent higher than the average salary for this job in California, and 40 percent higher than the national average for this job . Medical Office Assistant salaries at San Mateo County typically range from $60,304 to $119,648 (25th to 75th percentile). The highest reported medical office assistant salary was $176,510. There are 24 employees at San Mateo County with the job title medical office assistant.