Drain Backup vs. Sewer Backup: When to Call a Los Angeles Plumber

Standing water in a tub or a slow drain is annoying. Sewage coming up out of the shower is a different problem entirely. Knowing the difference helps you make the right call to a Los Angeles plumber.

Drain backup. A single fixture is slow or clogged. The cause is local: hair, grease, soap scum, or a partial blockage in the branch line. A plunger or a basic snake usually solves it.

Sewer backup. Multiple fixtures back up at the same time, you hear gurgling in toilets when you run a sink, or wastewater rises through the lowest drain in the house (often a tub or floor drain). The blockage is in the main sewer lateral, the pipe that carries waste from your home to the city main.

Common LA causes of sewer backups:

• Tree root intrusion into clay or cast-iron laterals
• Bellied or collapsed sections in older lines
• Grease and wipes built up over years
• Offsets at joints from seismic and soil movement

Why this is an emergency. Sewage exposure is a health hazard. Standing wastewater damages flooring, cabinets, and subfloor within hours.

What we do. Camera inspection of the lateral, hydro jetting to clear the blockage, and a written quote for repair if we find roots, cracks, or a collapse. Trenchless options (pipe lining or pipe bursting) keep most LA driveways and landscaping intact.

If you see signs of a sewer backup, stop using water in the house and call (213) 660-7353 for sewer service in Los Angeles.

Keep reading: Common causes of burst pipes · What to do during a plumbing emergency