Customer Service Specialist salary at King County

The average customer service specialist salary at King County was $59,200 , which is 49 percent higher than the average salary for this job in Washington, and 28 percent higher than the national average for this job . Customer Service Specialist salaries at King County typically range from $49,260 to $72,495 (25th to 75th percentile). The highest reported customer service specialist salary was $104,898. There are 302 employees at King County with the job title customer service specialist.