The average maintenance salary at Avenal was $85,486 , which is 7 percent higher than the average salary for this job in California, and 86 percent higher than the national average for this job . Maintenance salaries at Avenal typically range from $64,800 to $106,172 (25th to 75th percentile). The highest reported maintenance salary was $107,519. There are 4 employees at Avenal with the job title maintenance.