Human Services Assistant salary at Greystone Park Psychiatric Hospital

The average human services assistant salary at Greystone Park Psychiatric Hospital was $36,207 , which is 6 percent lower than the average salary for this job in New Jersey, and 19 percent lower than the national average for this job . Human Services Assistant salaries at Greystone Park Psychiatric Hospital typically range from $31,468 to $41,268 (25th to 75th percentile). The highest reported human services assistant salary was $53,127. There are 43 employees at Greystone Park Psychiatric Hospital with the job title human services assistant.