Custodian salary at Napa County

The average custodian salary at Napa County was $79,021 , which is 8 percent higher than the average salary for this job in California, and 11 percent higher than the national average for this job . Custodian salaries at Napa County typically range from $54,971 to $101,424 (25th to 75th percentile). The highest reported custodian salary was $106,807. There are 17 employees at Napa County with the job title custodian.