Road Maintenance Supervisor salary at San Mateo County

The average road maintenance supervisor salary at San Mateo County was $179,441 , which is 23 percent higher than the average salary for this job in California, and 150 percent higher than the national average for this job . Road Maintenance Supervisor salaries at San Mateo County typically range from $156,981 to $219,609 (25th to 75th percentile). The highest reported road maintenance supervisor salary was $223,151. There are 7 employees at San Mateo County with the job title road maintenance supervisor.