Area Maintenance Supervisor salary at Frederick County Public Schools

The average area maintenance supervisor salary at Frederick County Public Schools was $109,658 , which is 26 percent higher than the average salary for this job in Maryland, and 37 percent higher than the national average for this job . Area Maintenance Supervisor salaries at Frederick County Public Schools typically range from $95,025 to $124,291 (25th to 75th percentile). The highest reported area maintenance supervisor salary was $126,485. There are 4 employees at Frederick County Public Schools with the job title area maintenance supervisor.