Yes, you can fix certain minor plumbing pipe leaks yourself if you have basic DIY skills, the correct tools, and accessible piping. Straightforward repairs—such as tightening loose slip-joint nuts under a sink, replacing worn rubber washers, or swapping out an accessible P-trap—are well within DIY reach. However, for complex repairs involving pressurized water supply lines, hidden pipes inside finished walls, or main underground sewer lines, you should hire a licensed professional plumber. Verification: Always shut off the water supply and test repairs thoroughly with a dry paper towel.
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