Grounds Maintenance Worker salary at County Of Middlesex

The average grounds maintenance worker salary at County Of Middlesex was $61,361 , which is 18 percent higher than the average salary for this job in New Jersey, and 61 percent higher than the national average for this job . Grounds Maintenance Worker salaries at County Of Middlesex typically range from $49,164 to $72,647 (25th to 75th percentile). The highest reported grounds maintenance worker salary was $112,399. There are 35 employees at County Of Middlesex with the job title grounds maintenance worker.