Stop the likely fixture
Avoid using nearby sinks, tubs, toilets, appliances, or upstairs fixtures.
Concealed plumbing leak help
Water stains, soft drywall, peeling paint, musty odors, or running-water sounds can point to a concealed leak. The visible damage may not be directly below the source.
Avoid using nearby sinks, tubs, toilets, appliances, or upstairs fixtures.
Use a fixture or main valve only when safe and accessible.
Do not touch wet switches, outlets, fixtures, or wiring.
Hidden pipes and wiring should be located before opening finished surfaces.