Grounds Maintenance Supervisor salary at Los Angeles County

The average grounds maintenance supervisor salary at Los Angeles County was $111,677 , which is 1 percent higher than the average salary for this job in California, and 126 percent higher than the national average for this job . Grounds Maintenance Supervisor salaries at Los Angeles County typically range from $113,609 to $127,351 (25th to 75th percentile). The highest reported grounds maintenance supervisor salary was $133,432. There are 14 employees at Los Angeles County with the job title grounds maintenance supervisor.