Senior Maintenance Worker salary at East Contra Costa Irrigation District

The average senior maintenance worker salary at East Contra Costa Irrigation District was $141,875 , which is 29 percent higher than the average salary for this job in California, and 220 percent higher than the national average for this job . Senior Maintenance Worker salaries at East Contra Costa Irrigation District typically range from $140,130 to $143,619 (25th to 75th percentile). The highest reported senior maintenance worker salary was $143,619. There are 2 employees at East Contra Costa Irrigation District with the job title senior maintenance worker.