Maintenance Mechanic Supervisor salary at County of Prince William

The average maintenance mechanic supervisor salary at County of Prince William was $58,643 . Maintenance Mechanic Supervisor salaries at County of Prince William typically range from $57,831 to $66,821 (25th to 75th percentile). The highest reported maintenance mechanic supervisor salary was $87,323. There are 5 employees at County of Prince William with the job title maintenance mechanic supervisor.