Clogged drains are a common problem in homes, from the kitchen sink to the bathroom shower. While some clogs can be fixed with a plunger or a bit of elbow grease, others may require the expertise of our professional plumbers. Knowing when it’s time to call for help can prevent more serious plumbing issues down the line. Here are four signs that you need to contact a plumber for clogged drains in East York, PA.