The average plumber salary at Oakland was $176,446 , which is 16 percent higher than the average salary for this job in California, and 80 percent higher than the national average for this job . Plumber salaries at Oakland typically range from $154,571 to $204,311 (25th to 75th percentile). The highest reported plumber salary was $204,310. There are 3 employees at Oakland with the job title plumber.