Plant Maintenance Supervisor salary at Modesto

The average plant maintenance supervisor salary at Modesto was $162,837 , which is 4 percent lower than the average salary for this job in California, but 75 percent higher than the national average for this job . Plant Maintenance Supervisor salaries at Modesto typically range from $156,743 to $168,931 (25th to 75th percentile). The highest reported plant maintenance supervisor salary was $168,931. There are 2 employees at Modesto with the job title plant maintenance supervisor.