The average maintenance salary at Avenal was $84,907 , which is 8 percent higher than the average salary for this job in California, and 84 percent higher than the national average for this job . Maintenance salaries at Avenal typically range from $71,540 to $101,593 (25th to 75th percentile). The highest reported maintenance salary was $101,907. There are 5 employees at Avenal with the job title maintenance.