Starting Prices for Typical Jobs in Plumbing ProjectPrice1 Hour Diagnosis$80.00Repair a Water Heater$300.00Install a Home Faucet (Customer Provided)$120.00 ProjectPriceClean a Sewer Line$400.00Install a Shower Head (Customer Provided)$120.00Replace a Dishwasher (Customer Provided)$240.00 All prices are for typical work. Additional costs may apply. All prices are for typical work. Additional costs may apply.