Plumbers make money per hour
1 In some areas plumbers charge $45 -$75 an hour; in other regions the hourly rate can be $75 -$150. 2  Most plumbers charge a two-hour minimum or a service call fee of $75 -$150, and some plumbers bill a flat fee per job instead of an hourly rate.3  Either away, exact costs will depend on the complexity and type of work done. Plumbers' rates vary significantly by location. 2  In some areas plumbers charge $45 -$75 an hour; in other regions the hourly rate can be $75 -$150.