The average fire captain salary at Folsom was $294,835 , which is 2 percent higher than the average salary for this job in California, and 156 percent higher than the national average for this job . Fire Captain salaries at Folsom typically range from $273,879 to $340,454 (25th to 75th percentile). The highest reported fire captain salary was $369,654. There are 16 employees at Folsom with the job title fire captain.