Fire - Lieutenant salary at City of Mercer Island

The average fire - lieutenant salary at City of Mercer Island was $212,822 , which is 40 percent higher than the average salary for this job in Washington, and 82 percent higher than the national average for this job . Fire - Lieutenant salaries at City of Mercer Island typically range from $198,662 to $226,753 (25th to 75th percentile). The highest reported fire - lieutenant salary was $248,060. There are 6 employees at City of Mercer Island with the job title fire - lieutenant.