Sewer Line: Unclog Main

But you can try one low‑risk DIY first:

Unlike a simple hair-clogged bathroom sink, the main sewer line is the 4‑ to 6‑inch pipe that carries everything from your home to the city main or septic tank. When it stops working, your daily life stops with it. Raw sewage can back up into your lowest drains, creating a health hazard and a mess no plunger can fix. unclog main sewer line

$250–600, depending on location and pipe length. Worth every penny if it solves recurring backups. Step 6: The Nuclear Option – Camera Inspection If nothing works, or if you suspect a collapsed pipe, offset joint, or massive root intrusion, ask for a sewer camera inspection . A plumber runs a fiber‑optic camera through the line and records the damage. But you can try one low‑risk DIY first: