
Sewer Line Repair
Expert sewer line diagnosis, repair, and replacement for Southern California homes and businesses
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Sewer Line Repair & Replacement
Sewer line problems can cause serious damage if left untreated. We use camera inspection technology to accurately diagnose sewer line issues — root intrusion, cracks, bellied pipes, and more — then provide the most cost-effective repair solution, including trenchless options when available. We handle sewer line repairs throughout the Inland Empire, including sewer line repair in Fontana, Ontario, and Pomona.
- ✓Camera video inspection and diagnosis
- ✓Pipe bursting and trenchless repair
- ✓Root intrusion removal
- ✓Full sewer line replacement when needed
- ✓Bellied pipe correction
- ✓Post-repair camera verification

What We Cover
Services We Provide
Camera Inspection
We use high-definition sewer cameras to locate the exact problem - root intrusion, cracks, offsets, or collapse - before we start any work.
Root Intrusion
Tree roots penetrate sewer lines through joints and cracks. We remove root masses and repair the pipe to prevent re-entry.
Trenchless Options
When possible, we use trenchless pipe bursting or lining to repair sewer lines without tearing up your yard or driveway.
Our Promise
Why Choose Regal?
Honest Pricing
Upfront, transparent quotes before any work begins. No hidden fees, no surprises — even in emergencies.
Fast Response
24/7 availability for emergencies. We arrive quickly and work efficiently to minimize damage.
Quality Workmanship
Every job backed by our commitment to premium craftsmanship and lasting results.
Explore
Other Services We Offer
Emergency Plumbing
Rapid-response emergency plumbing for Ontario, CA and surrounding cities - we’re on call around the clock.
Learn More →Drain Cleaning
Professional clearing of kitchen, bathroom, and main sewer line blockages.
Learn More →Water Heater Services
Installation and repair of tank, tankless, and heat pump water heaters.
Learn More →Slab Leak Detection
Electronic leak detection beneath concrete slabs with minimal disruption.
Learn More →Hydrojetting
High-pressure water jetting to scour pipe walls and restore full flow.
Learn More →Gas Leak Detection
Licensed gas line detection, repair, and pressure testing for safety.
Learn More →Water Filtration
Whole-home softeners, reverse osmosis, and filtration systems installed.
Learn More →Pipe Repair
Expert pipe repair and replacement for copper, PVC, and galvanized systems.
Learn More →Commercial Plumbing
Full-service commercial plumbing for restaurants, apartments, HOAs, and businesses across Ontario & the Pomona Valley.
Learn More →Service Coverage
Cities We Serve
We provide fast, local plumbing service throughout the Inland Empire.
Know the Signs
Warning Signs You Have a Sewer Line Problem
Sewer line damage rarely happens overnight, but many homeowners miss the early warnings until the problem becomes an emergency. If you notice a persistent sewage smell inside your home or near your yard, that's one of the most reliable indicators that something is wrong underground. Slow drains throughout the house — not just one fixture — usually point to a mainline blockage rather than a simple clog.
Gurgling sounds from your toilets when you run the washing machine or shower are another red flag. Outside, keep an eye out for unexplained wet spots or unusually lush patches of grass in your yard, which can signal a leaking sewer line feeding the soil beneath. Sudden pest infestations — especially rodents or drain flies — often trace back to a cracked pipe. In more advanced cases, foundation cracks can develop as saturated soil shifts under your home.
These warning signs are especially common in older neighborhoods throughout Fontana and Pomona, where aging clay and cast iron pipes are still in service. If you notice any of these issues, don't wait — call us for a camera inspection before the damage spreads.
Repair Solutions
Our Sewer Line Repair Methods
Every sewer line repair starts with a high-definition camera inspection. We feed a waterproof camera through your line to pinpoint the exact location, depth, and cause of the problem — whether it's root intrusion, a cracked joint, a bellied section, or a full collapse. This step eliminates guesswork and ensures you only pay for the repair you actually need.
For moderate blockages caused by grease buildup or root masses, hydro jetting can restore full flow without any digging. When the pipe itself is damaged but still structurally intact, trenchless pipe lining allows us to install a cured-in-place liner inside the existing pipe, creating a seamless new pipe within the old one. For more severe damage, pipe bursting pulls a new high-density polyethylene pipe through the old line while simultaneously breaking apart the damaged pipe — still with minimal excavation.
In cases where the line has completely collapsed or shifted beyond repair, full sewer line replacement is the most reliable long-term solution. We handle trenchless sewer repair Pomona CA homeowners depend on, as well as traditional excavation when the situation calls for it. Our team will always walk you through every option so you can make an informed decision based on your budget and property conditions.
Local Conditions
Why Sewer Lines Fail in Ontario CA
The soil conditions across Southern California's inland valleys put unique stress on underground plumbing. Clay-heavy soil — common throughout Ontario and Fontana — expands when wet and contracts during dry periods, creating constant pressure shifts on buried pipes. Over the years, this cycle weakens joints, causes offsets, and eventually leads to cracks or full breaks in the line.
Many homes in Pomona and the surrounding area were built in the 1950s through 1970s with clay or Orangeburg sewer pipes that have long exceeded their expected lifespan. These aging materials are especially vulnerable to root intrusion, as mature trees send roots directly into pipe joints searching for moisture. The combination of expansive soil, aging pipe materials, and aggressive root growth makes sewer line repair Ontario CA homeowners face a matter of when — not if.
Comparing Methods
Trenchless vs Traditional Sewer Repair
Trenchless sewer repair has become the preferred method for most residential jobs, and for good reason. It requires only one or two small access points rather than digging up your entire yard, driveway, or landscaping. Most trenchless jobs are completed in a single day, and the new pipe material — typically cured-in-place epoxy or high-density polyethylene — is rated to last 50 years or more. The result is less disruption, faster completion, and often a lower total cost once you factor in landscape restoration.
Traditional excavation still has its place. When a sewer line has completely collapsed, when the pipe has multiple severe bellies, or when the line runs beneath a concrete slab with limited access, open-trench replacement may be the only reliable option. Traditional methods also give us the ability to correct grade issues and reroute sections of pipe when necessary. The tradeoff is a longer project timeline, more disruption to your property, and additional restoration work after the repair is finished.
The right approach depends entirely on your specific situation. After our camera inspection, we'll explain which method makes the most sense for your home and why. If you're dealing with slow drains, backups, or sewage odors, contact us today for a professional diagnosis and honest recommendation.
Financing Available — Don't let cost stop you. Learn about financing options.
Common Questions
Frequently Asked Questions
Ask about our current specials when you call.
Sewer Problems? Get a Camera Inspection
Know exactly what's wrong before you spend a dollar on repairs
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