Road Maintenance Supervisor salary at County of San Mateo

The average road maintenance supervisor salary at County of San Mateo was $95,757 , which is 34 percent lower than the average salary for this job in California, but 33 percent higher than the national average for this job . Road Maintenance Supervisor salaries at County of San Mateo typically range from $93,106 to $105,182 (25th to 75th percentile). The highest reported road maintenance supervisor salary was $111,132. There are 6 employees at County of San Mateo with the job title road maintenance supervisor.