The average fire captain salary at Gilroy was $406,972 , which is 41 percent higher than the average salary for this job in California, and 254 percent higher than the national average for this job . Fire Captain salaries at Gilroy typically range from $387,280 to $427,962 (25th to 75th percentile). The highest reported fire captain salary was $508,343. There are 9 employees at Gilroy with the job title fire captain.