Cause of Leak?

Question

Tenant says the master bathroom sink is leaking underneath, inside the cabinet. She feels that leak is causing the downstairs bathroom sink to leak as well. I don't know how that could be. All other areas, kitchen, bathtubs, toilets are not having any issues.

Josh Sedivy · Answer

It sounds like the master bathroom sink is the primary source of the leak, and if it's located above the downstairs bathroom, water could be seeping through the floor and showing near the downstairs sink. I recommend inspecting under both sinks for active dripping, wet spots, or signs of mold/mildew. Also, check the ceiling beneath the master bathroom for water stains or damp drywall around the downstairs sink, and contact a licensed plumber to test both sink drain systems and inspect for any shared line issues or hidden damage between floors to avoid further damage and loss.

Ken M. · Answer

Leaks are a serious problem and demand immediate attention. Tracing leaks can be a challenge because *sometimes* it can be inside the wall. (Cracked pipe, hole in pipe, bad vent flashing) **or** it can be two unrelated problems. It takes an inspection to find the source. Guessing from the description is like asking if enough salt was put on my eggs. Don't know tell I taste them.

Chris Seveney · Answer

Not enough information to answer but a leak inside a cabinet would not be enough water to cause a leak downstairs unless it was a ton of water and if that is the case i would drive over there ASAP or have a plumber check it out. sounds more like multiple leaks but all guessing.

Call a plumber.

Cause of Leak?

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