4.9/5 — 2,000+ Five-Star Reviews
Sewer Line Repair & Replacement
Bay Area's #1 Choice
We restore structural integrity to compromised mainlines through targeted excavation or full-system replacement. Our technicians mitigate root intrusion and pipe shifts to ensure long-term flow reliability and prevent hazardous environmental seepage.
- 25+ Years
- Licensed & Insured
- 24/7 Emergency
- No hidden costs
- Same-day service
- Fully licensed and insured
- 6000+ completed jobs
Google Rating
5
.9★
Five-Star Reviews
1900
+
4.9/5 Rating
2,000+ Reviews
Licensed & Insured
CA Licensed
Same-Day Service
24/7 Emergency
25+ Years
Bay Area Experts
6,000+
Jobs Completed
Simple Process
How It Works
1
Call Us 24/7
Reach us anytime at
(408) 617-8871.
2
Same-Day Dispatch
A licensed technician arrives at your home, often same day.
3
Diagnose & Fix
Upfront pricing before work begins. No hidden fees, ever.
4
100% Satisfaction
We stand behind every job with our satisfaction guarantee.
Professional Sewer Line Repair & Replacement Services
The Necessity of Expert Plumbers for Sewer Line Service
Sewer Line Service is a critical task that addresses issues within your property’s sewage system. Due to the complexity and importance of this system, sewer line repair should only be handled by professional plumbers. United Plumbing & Water Heaters offers expert lateral sewer line repair and trenchless sewer repair in San Jose, ensuring high-quality solutions that last.
Identifying the Need for Sewer Line Repair
Key indicators that your San Jose property may require sewer line repair include:
- Frequent backups or blockages.
- Unpleasant odors from sewer drains.
- Soggy patches or unexpected greenery in your yard.
- Noticeable decrease in drainage speed.
If you encounter these issues, it’s time to consider sewer line service, including trenchless sewer repair, to protect your property and ensure a smooth-running sewage system.
100% Satisfaction Guarantee
If you're not completely satisfied with our work, we'll come back and make it right — free of charge. That's our promise to every customer.
Signs You Need Sewer Line Repair & Replacement
- Root intrusion and structural pipe fractures
- Bellied lines with persistent sediment accumulation
- Corroded cast iron or collapsed pipe walls
- Separated joints and soil-shifting offsets
- Sewer gas escape through breached seals
- Mainline blockages causing multi-fixture backups
Why Choose United HVAC
- 25 years of experience
- Same-day service
- 1+ year warranty
- 6000+ completed jobs
- 0% interest financing and discounts
- Fully licensed and insured
- Well reviewed and highly trusted
- No hidden costs
- We work 365 days a year
Got Questions?
Frequently Asked Questions
How do I know if my sewer line needs repair or a full replacement?
If you have a localized issue like a single cracked joint or a small root intrusion, a targeted repair may be sufficient. However, if the pipe is made of outdated materials (like Orangeburg or thin-walled clay) or has multiple "bellies" and structural collapses, a full replacement is often the more cost-effective long-term solution. We use camera inspections to help you visualize the pipe's condition before making a decision.
What is "Trenchless" sewer repair?
Trenchless technology allows us to repair or replace your sewer line without digging up your entire lawn, driveway, or sidewalk. The two most common methods are Pipe Bursting (pulling a new pipe through the old one) and Pipe Lining (inserting an epoxy-saturated sleeve that hardens into a "pipe-within-a-pipe").
How long does a sewer line replacement take?
A traditional "dig and replace" project typically takes 2 to 5 days, depending on the depth and length of the line. Trenchless methods are much faster, often completed in just 1 to 2 days. Because the sewer line is the main artery of your home’s plumbing, we work efficiently to minimize the time your water and waste services are offline.
Why are tree roots such a problem for sewer lines?
Roots are naturally attracted to the warmth and moisture inside your pipes. Once they find a tiny crack or a loose joint, they enter and grow into thick "root balls" that act as a net, catching grease and waste. Over time, the pressure from the growing roots can cause the pipe to shatter or collapse entirely, requiring immediate structural intervention.
What is "Pipe Descaling" and can it save my sewer line?
For older cast iron pipes, corrosion creates a rough, "scaled" surface that snags debris and causes frequent clogs. Descaling uses specialized high-speed rotating chains to scrub the rust and mineral buildup away, restoring the pipe’s smooth interior. This can often add years of life to a pipe that might otherwise need replacement.
Does homeowner's insurance cover sewer line replacement?
Standard policies often do not cover sewer line failure due to "wear and tear" or root intrusion. However, many homeowners have a specific "Service Line Coverage" rider that can help pay for the repair. We provide detailed inspection reports and video footage to help you document the failure for your insurance provider.
Is a permit required for sewer line work?
Yes. In 2026, any repair or replacement of a main sewer lateral requires a plumbing permit and a formal inspection by the city or county. This ensures the new pipe is at the correct grade (slope) to prevent future clogs and that the connections to the municipal main are secure and leak-free.
What are the signs of a collapsed sewer line?
Warning signs include a persistent sewage smell in your yard, unusually lush or green patches of grass, sinkholes in your lawn, and multiple drains backed up simultaneously. If you see raw sewage "ponding" on the surface of your yard, the line is likely fully breached and requires emergency attention.
What is a "Sewer Belly" and how is it fixed?
A belly is a low spot in the pipe where it has sagged due to soil shifting or poor original installation. Standing water and solids collect in these low spots, leading to chronic blockages. Unfortunately, bellies cannot be fixed with trenchless lining; they usually require excavation to re-grade the soil and install a new, properly sloped section of pipe.
Do you provide 24/7 emergency support for sewer failures?
Yes. A sewer line failure is a major health hazard and can lead to significant property damage. We provide 24/7 emergency diagnostics and repair services to stop the backup, bypass the failed section if necessary, and get your home’s waste system functioning safely again.
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Serving the Bay Area
Sewer Line Repair & Replacement Available In
We proudly serve homeowners across the entire Bay Area
Don’t see your city? Call (408) 617-8871 to check availability.