Medical Office Assistant salary at San Mateo County

The average medical office assistant salary at San Mateo County was $87,680 , which is 33 percent higher than the average salary for this job in California, and 126 percent higher than the national average for this job . Medical Office Assistant salaries at San Mateo County typically range from $61,897 to $112,186 (25th to 75th percentile). The highest reported medical office assistant salary was $135,704. There are 22 employees at San Mateo County with the job title medical office assistant.