Hazardous Materials Specialist salary at Contra Costa County

The average hazardous materials specialist salary at Contra Costa County was $234,292 , which is 42 percent higher than the average salary for this job in California, and 384 percent higher than the national average for this job . Hazardous Materials Specialist salaries at Contra Costa County typically range from $196,254 to $292,189 (25th to 75th percentile). The highest reported hazardous materials specialist salary was $374,827. There are 20 employees at Contra Costa County with the job title hazardous materials specialist.