Mechanical Inspector salary at St. Louis County

The average mechanical inspector salary at St. Louis County was $60,474 , which is 8 percent higher than the average salary for this job in Missouri, but 14 percent lower than the national average for this job . Mechanical Inspector salaries at St. Louis County typically range from $58,786 to $61,389 (25th to 75th percentile). The highest reported mechanical inspector salary was $66,688. There are 6 employees at St. Louis County with the job title mechanical inspector.