Are you the homeowner or a renter Effective identification and repair techniques are available, needing only proper tools and basic knowledge. If a renter keep pictures and have all communications recorded and kept
How Do I Fix A Leaking Water Without Turning It Off at Jessica Zelman blog
It is landlords responsibility to fix and repairs
If a homeowner then there pipe freeze kits to freeze water to work on pipes
If leak is bad then cutting the pipe to install valve probably won't get stuff wetter. These methods work on wet surfaces and can temporarily stop leaks. After all, isn’t that the way they break in the first place But, under controlled conditions, creating an ice plug is a fast and easy way to make a repair to the line without shutting off the water to the building
Dealing with a leaky pipe can be difficult, but with the right knowledge, many plumbing issues like water leak repair can be fixed without calling a professional Fixing leaking pipes promptly is essential to avert further damage, and it can be done without replacing the pipes entirely