Hazardous Materials Specialist salary at County of San Mateo

The average hazardous materials specialist salary at County of San Mateo was $112,243 , which is 34 percent lower than the average salary for this job in California, and 30 percent lower than the national average for this job . Hazardous Materials Specialist salaries at County of San Mateo typically range from $104,847 to $123,473 (25th to 75th percentile). The highest reported hazardous materials specialist salary was $128,749. There are 20 employees at County of San Mateo with the job title hazardous materials specialist.