The average plumber salary at Pima County was $42,925 , which is 24 percent lower than the average salary for this job in Arizona, and 52 percent lower than the national average for this job . Plumber salaries at Pima County typically range from $23,822 to $63,656 (25th to 75th percentile). The highest reported plumber salary was $71,126. There are 9 employees at Pima County with the job title plumber.