Why Campello needs this specifically
Clearing a main line in a Campello triple-decker often means coordinating access across multiple units sharing the same lateral, not just one household’s plumbing.
Shared sewer laterals in older triple-decker buildings mean a single backup or root intrusion event can flood more than one unit at once, and cross-contamination risk between units is real once black water is standing.
What to know before you call
Multiple drains backing up simultaneously means the whole house is affected, not just one fixture — see the sewer line backup hub for how we diagnose and clear the blockage. See the full sewer line backup removal breakdown →