Home plumbing repair may be necessary when a faucet begins leaking, a toilet develops a minor issue, or a plumbing fixture needs repair or replacement. Even smaller plumbing problems can waste water, interfere with everyday routines, or potentially lead to additional damage if they are left unaddressed. Taking care of minor issues early can help keep household fixtures operating properly. Some plumbing problems may require a licensed plumber, so determining the nature and extent of the issue is an important first step.