Medical Office Assistant salary at County of San Mateo

The average medical office assistant salary at County of San Mateo was $43,497 , which is 38 percent lower than the average salary for this job in California, and 35 percent lower than the national average for this job . Medical Office Assistant salaries at County of San Mateo typically range from $26,106 to $57,332 (25th to 75th percentile). The highest reported medical office assistant salary was $111,675. There are 41 employees at County of San Mateo with the job title medical office assistant.