Administrative Assistant salary at San Mateo

The average administrative assistant salary at San Mateo was $76,407 , which is 19 percent lower than the average salary for this job in California, but 2 percent higher than the national average for this job . Administrative Assistant salaries at San Mateo typically range from $35,933 to $103,911 (25th to 75th percentile). The highest reported administrative assistant salary was $110,197. There are 18 employees at San Mateo with the job title administrative assistant.