Sewer Line Replacement in Phoenix, AZ
Sometimes, a sewer line is simply too old or damaged to make a repair worthwhile. In these cases, full sewer line replacement is the smartest long-term solution. We provide comprehensive replacement services in Phoenix, offering both efficient trenchless methods and reliable traditional excavation to give your property a completely new, reliable drain system.
Why Sewer Lines Need Replacement
Replacement is usually necessary when the pipe has lost its structural integrity. This often happens due to:
- Total Collapse: A section of the pipe has completely caved in, blocking all flow.
- Chronic Root Intrusion: Roots have invaded so many sections that repeated cleaning is impractical.
- Outdated Material: Replacing old, brittle clay or orangeburg pipes with modern, durable PVC.
Drains and Sewer Lines We Clear
Slow drains and backups almost always trace to one of these issues. We diagnose first — then clear it the right way, so it stays clear.
Kitchen Sink Drains
Grease, food, and disposal debris build up where the line bends. Snaking handles most jobs; jetting handles the rest.
Bathroom and Shower Drains
Hair, soap scum, and mineral buildup are the usual suspects. We clear the line and tell you whether you've got a one-time clog or a deeper issue.
Main Sewer Line Backups
When multiple drains back up at once, the issue is past your house. We camera the line and find the cause before we clear it.
Tree Root Intrusion
Roots love older Phoenix sewer lines and Northern AZ properties with mature trees. We cut, jet, and identify whether the line needs a long-term fix.
Sewer Camera Inspections
Buying a home, selling one, or troubleshooting a recurring backup? A camera tells you exactly what's happening underground — no guessing.
Hydro Jetting
For grease, scale, and root buildup that snaking can't touch. High-pressure water scours the pipe wall back to clean.
No matter your industry, our commercial plumbers provide service you can rely on.
Our Process for New Sewer Lines
We always start with a detailed camera inspection to confirm the extent of the damage. We then discuss the options for replacement:
Trenchless Replacement: Breaking apart the old pipe while pulling a new, seamless pipe into its place, requiring only small access points.
Traditional Replacement: Carefully digging a trench to remove the old pipe and lay a brand new section of PVC.

Efficient, Clean Replacement Work
Our team executes the replacement efficiently, regardless of the method chosen. We focus on high-quality installation using materials designed to resist root intrusion and corrosion. We also handle necessary permitting and ensure the job site is cleaned up and restored when we’re finished.
Start Your Sewer Replacement
If you’re ready to stop worrying about your failing sewer line, call Liberty Plumbing today for an expert assessment.