Plant Maintenance Supervisor salary at Modesto

The average plant maintenance supervisor salary at Modesto was $159,277 , which is 6 percent lower than the average salary for this job in California, but 140 percent higher than the national average for this job . Plant Maintenance Supervisor salaries at Modesto typically range from $152,375 to $166,180 (25th to 75th percentile). The highest reported plant maintenance supervisor salary was $166,180. There are 2 employees at Modesto with the job title plant maintenance supervisor.