Toilet backups are one of the more stressful plumbing issues to deal with in a home. If you're currently dealing with one and no solution is working, you may need to hire a toilet backup repair service. Working with them is beneficial for the following reasons.  Thoroughly Inspect Sewer Lines When your toilet is clogged and causes sewage to flow back into your home, then something is probably going on with your home's main sewer line.