There are many plumbing services and the cost of a plumber’s service depends on the kind of job that they need to perform. A plumber in Port Jefferson fee typically ranges from $144 to $1,044 for a usual job. Their average cost in a per hour basis ranges from $35 to $160. These amounts cover services like repairs on faucets, bathtubs, sinks and basic pipelines. A few Port Jefferson plumbers though, may charge their client a flat rate depending on what sort of job they need to do.