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      Guaranteed Plumbing & Heating

      Sewer Line Repair & Replacement

      Local. Fast. Affordable.

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      Sewer Line Repairs in Philadelphia, PA

      We dispatch from 900 Cottman Avenue and repair sewer lines across Philadelphia, Bucks County, and Montgomery County.

      A damaged sewer line does not heal on its own, and every month you wait gives roots, cracks, and corrosion more time to make the problem worse. We camera the line, find the actual failure, and confirm the repair price before any work starts.

      The sewer lateral running from your home to the city main handles every drop of wastewater the house produces, silently, underground, year after year. In Philadelphia, many of those laterals have been doing that job for 60, 80, or over 100 years. The Philadelphia Water Department maintains the public mains, over 3,000 miles of them, but the lateral between your foundation wall and the connection at the street is your responsibility. When that lateral cracks, shifts, or lets roots in, the backups that follow are yours to deal with too.

      Guaranteed Plumbing & Heating has been repairing sewer lines across Philadelphia since 1990. We carry camera equipment, excavation tools, and the materials to handle everything from a single cracked joint to a failed section under a city sidewalk. Below is how we approach a sewer line repair, the jobs we run most often, and what to expect when we arrive.

      Why sewer line repair in Philadelphia is its own kind of job

      Two things make sewer line repairs in this city different from the same work in a suburb built in the last 30 years.

      The pipe materials underground. A suburban development from 1995 has PVC sewer laterals with clean joints and a predictable layout. A Philadelphia block can have clay tile from the early 1900s on one side of the street and cast iron from the 1950s on the other, with sections of orangeburg, concrete, and even hand-laid brick on older properties. Each material fails differently. Clay develops cracks at the joints where roots find their way in. Cast iron corrodes along the bottom of the pipe where flow concentrates for decades. Orangeburg, a fiber-and-tar pipe that was popular in the mid-20th century, softens and deforms under soil load. According to the EPA, aging sewer infrastructure across the country contributes to an estimated 23,000 to 75,000 sanitary sewer overflows per year, and the private laterals that connect homes to the public main are a significant part of that problem. Repairing these lines correctly means knowing what you are digging into before you start.

      The job site is a city block, not a backyard. Sewer line repairs in Philadelphia do not happen on a quarter-acre lot with open lawn. The lateral might run under a concrete sidewalk, a city-owned tree, a paved alley, or a neighbor’s shared driveway. Depth varies from four feet to ten or more depending on the age of the connection and the grade of the street. Permits, sidewalk restoration, and coordination with the Philadelphia Department of Licenses and Inspections are part of the job, and a contractor who does not account for them up front leaves the homeowner dealing with the city after the fact. We handle the full process.

      This is why repeated drain cleaning is not a substitute for sewer line repair. If you are calling a plumber every few months to clear the same backup, the pipe itself is the problem, not what is inside it. A camera inspection tells you whether you are looking at a root mass that will keep growing back, a belly where waste collects and cannot drain, or a cracked section that is only passing flow part of the time.

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      Sewer line repairs we run most often in Philadelphia

      We camera the line and diagnose the failure before we quote any work. The sewer line repairs we handle most often:

      • Root intrusion repair

        Tree roots are the most common cause of sewer line damage in established Philadelphia neighborhoods. Roots enter through cracked joints, hairline fractures, and loose connections, then grow inside the pipe until they restrict or block flow entirely. We clear the roots mechanically or with hydro jetting, then camera the line to determine whether the pipe is intact enough to hold or whether the cracked section needs to be excavated and repaired.

      • Cracked and separated joint repair

        Clay tile and cast iron pipes develop cracks at their joints over time from ground movement, soil settling, and temperature cycling. A separated joint creates a gap where soil washes in and roots take hold. We excavate the damaged joint, cut back to sound pipe, and reconnect with proper couplings and grade.

      • Bellied sewer line repair

        A belly is a low spot where the pipe’s grade dips and waste collects instead of flowing toward the main. Bellies develop when the soil beneath the pipe settles, compacts unevenly, or was never properly prepared during the original installation. We excavate the bellied section, re-grade the trench bed, and relay the pipe at the correct pitch so flow moves the way it should.

      • Cast iron channeling repair

        Cast iron sewer lines develop channeling, a groove worn along the bottom of the pipe where decades of flow have concentrated and corroded through the wall. Once the channeling reaches the outside of the pipe, soil and groundwater enter and the line begins to fail. We cut out the channeled section and install new pipe with compatible transition fittings.

      • Curb trap repair

        Philadelphia homes commonly have a curb trap, a U-shaped fitting buried near the sidewalk that separates your house sewer from the city main. When a curb trap cracks, fills with debris, or partially collapses, it chokes flow for the entire system and causes recurring backups that no amount of indoor drain cleaning will fix. We excavate, repair or replace the trap, and restore the connection.

      • Connection point repairs

        The joints where your lateral meets the foundation wall and where it connects at the curb or city main are where failures concentrate. Stress, ground movement, and material transitions all take their toll at these points. We repair the connection, set the grade, and make sure the joint is sound and properly sealed.

      • Spot repairs on otherwise sound lines

        Not every sewer line problem means the whole lateral is failing. When the camera shows a single crack, one bad joint, or a localized root entry on a pipe that is otherwise in good condition, a spot repair at that location is the right scope. We dig only where we need to, fix the damaged section, and leave the rest of the line alone.

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      Pricing, coupons, and financing for sewer line repair

      We do not publish flat sewer line repair prices, because a spot repair at four feet of depth under a lawn and a curb trap excavation at eight feet under a concrete sidewalk are fundamentally different jobs. Pricing is confirmed on-site after we camera the line and assess the scope, and before any digging starts. We do not change the price after the fact.

      • Repair the section or address the whole line.

        The camera tells us what the pipe looks like from end to end, not just at the blockage point. If the pipe is sound everywhere except one cracked joint, a spot repair is the honest recommendation. If the camera shows damage in multiple locations, we tell you that too, because spending repair money on a section while the rest of the line is in the same condition is not a good use of your dollars. We show you the footage and explain the options so you can make the decision with real information.

      • Financing.

        For larger sewer line repairs and excavation work, we offer instant approval financing through GoodLeap.

      What to expect when we arrive for sewer line repair

      When you call 215-342-7200, this is how a typical sewer line repair call runs.

      • 1. Triage on the phone.

        We ask what is happening, whether drains are backing up throughout the house, how long it has been going on, and whether you have had the line cleaned or repaired before. Recurring backups are a strong signal that the pipe itself needs attention, not just the blockage.

      • 2. Camera inspection.

        Before we quote any digging, we run a sewer camera through the line from the cleanout toward the street. The camera shows us the pipe material, the condition of the walls and joints, root penetration, cracks, bellies, and failed sections, and it gives us the exact location and approximate depth of each problem so we know where to dig before we break ground.

      • 3. The real scope, explained.

        We show you the camera footage and tell you what we found in plain terms. We explain whether a spot repair at one location will solve it or whether the damage is more extensive, and we confirm the price for the repair before anything is dug up.

      • 4. The repair, done right.

        We excavate to the failure point, remove the damaged section, install new pipe at the correct grade, and make clean connections to the existing line on both sides. Permits are pulled and inspections scheduled as required by the city.

      • 5. Backfill, restoration, and confirmation.

        After the repair is complete, we backfill and compact the trench in lifts to prevent settling, restore the surface whether it is soil, concrete, or pavers, and run a final camera through the repaired section to confirm the grade and joints are right. You get an itemized invoice and the camera footage for your records.

      Credentials that matter for sewer line repair in Philadelphia

      Sewer line work involves excavation on or adjacent to public right-of-way, connection to city infrastructure, and compliance with Philadelphia’s permitting and inspection process. The Philadelphia Department of Licenses and Inspections requires a licensed, insured plumber with proper registrations for sewer lateral work. Permits must be pulled and inspections passed before backfill on any excavated repair. We handle the entire process, from the permit application to the final sign-off, and have been operating under this standard since 1990.

      • Licensed for the plumbing and sewer work we do.

        We handle sewer line repair and excavation work under an active license, current City tax standing, and insurance on file with L&I. We have operated under that standard since 1990.

      • BBB accredited

        Listed as accredited on the Better Business Bureau.

      • Insured for the work we do

        Liability and workers' compensation coverage on file with L&I.

      • Family-owned and operated

        In business at 900 Cottman Avenue since 1990.

      Frequently asked questions about sewer line repair in Philadelphia

      How do I know if my sewer line needs repair and not just a drain cleaning?+

      If one cleaning solves the problem and it does not return for a year or longer, the pipe is probably intact. If the same backup returns within weeks or months, the pipe itself is damaged. Roots keep growing back into cracked joints, waste keeps collecting in a bellied section, and soil keeps washing in through a separated connection. A camera inspection answers the question definitively.

      What does a sewer camera inspection actually show?+

      The camera shows the inside of the pipe in real time as we push it through the line. We can see the pipe material, wall condition, joint integrity, root penetration, cracks, separations, bellies, obstructions, and corrosion. It also gives us the exact location and approximate depth of each problem, so we know precisely where to dig and what we are going to find.

      How long does a sewer line repair take?+

      A spot repair on a shallow section with clear access can often be completed in a single day. A deeper excavation under a sidewalk or driveway, or a repair that involves the curb trap, typically takes one to two days depending on depth and surface restoration. We give you the specific timeline for your job before we start.

      Will you have to dig up my sidewalk or driveway?+

      Only if the failure is under it. We camera the line to pinpoint the exact location of the damage, and we excavate only at that location. If the damaged section runs under a paved surface, that surface needs to come up to reach the pipe. We cut and remove only what is necessary, and we restore the surface after the repair is complete. For city sidewalks, we coordinate the restoration to meet Philadelphia’s specifications.

      What causes sewer lines to fail?+

      Age is the primary factor. Clay joints dry out and crack over decades, allowing root entry and soil intrusion. Cast iron corrodes internally from the bottom up. Orangeburg softens and loses its shape under soil pressure. Beyond material aging, ground settling shifts pipe sections out of alignment, heavy surface loads crush weakened pipe, tree roots force joints apart, and previous improper repairs create weak points that fail again. Most sewer line damage is a combination of age and one or more of these secondary factors.

      Why does my sewer keep backing up even after drain cleaning?+

      Because the cleaning removes the blockage but does not fix the pipe. If roots are entering through a cracked joint, they grow back. If a belly is collecting waste, it fills up again. If a section has partially collapsed, debris catches on the obstruction every time. The backup is the symptom. The damaged pipe is the cause. A camera inspection after the cleaning shows whether the pipe is the problem.

      My neighbor had sewer work done and their yard sank months later. How do you prevent that?+

      Settlement happens when the trench is not backfilled and compacted correctly. We backfill in lifts, compacting each layer before adding the next, which is the standard method to prevent the soil from settling after the job is done. It takes more time than dumping dirt back in the hole, but it is the difference between a repair that holds and a sunken trench in the spring.

      Do you handle sewer line repairs in Bucks County and Montgomery County?+

      Yes, both, with the same crews dispatched out of our Northeast Philadelphia office on Cottman Avenue. Suburban laterals tend to be shallower and run through lawn rather than under sidewalks, but the pipe materials and failure patterns are often the same as what we see in the city, and we handle the full range.

      Schedule sewer line repair in Philadelphia

      Call us, and we will find out what is going on underground.

      Sewer line repair in Philadelphia means working with buried pipe that can be a century old, made from materials that each fail in their own way, and running beneath sidewalks, driveways, and streets that complicate every excavation. Getting it right starts with putting a camera in the line and seeing what is actually down there. Call 215-342-7200 and we will inspect the line, show you the footage, explain what needs to happen, and confirm the repair price before any digging starts. We dispatch from 900 Cottman Avenue across Philadelphia, Bucks County, and Montgomery County.

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      215-342-7200
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      WHAT OUR CUSTOMERS SAY

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      I recently just moved into a South Philly Rowhouse. The house needed a few plumbing and heating repairs upon moving in. I have been very impressed by the techs this company sends out! They were helpful, ethical, and fairly priced. As a first time homeowner it is intimidating to have repairs done and not have fear you are being taken advantage of. Everything they quoted was fair and repairs were completed quickly. Very thankful I gave this place a call!

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      Rachel

      Snyder

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      I had a problem with my AC and Antony came over which is one of the foreman. It was very nice very respectful very quick. Explain to me everything so I’m happy.

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      Bakalli

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      tenant sent me a text at 7:00 that heat wasn't coming out of vents. I saw the text just after 8 and immediately called Guaranteed and told them the problem. After giving them my tenant's name and # I was done! In less than a couple of hours the service rep was at the property and had uncovered th...

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      Gary

      Lean

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      The great team of your Plumbers…Ray, Jarron, Brian, & Colin who completed major plumbing repair work @ my Philly home in the past 2 days were phenomenal!🏡🪏🚰 They all worked very hard & steadily; much of the repairs & replacement parts needed involved extensive lifting & digging to reach undergrou...

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      Romanofsky

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      Service guys was very pleasant and knowledgeable their work is impeccable. My security door didn’t close properly. It was no fault of their own. They didn’t leave until they fixed my door. These guys were great!

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      Levins

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