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      Guaranteed Plumbing & Heating

      Pipe Repair and Repiping

      Local. Fast. Affordable.

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      Pipe Repair and Repiping in Philadelphia, PA

      We work out of 900 Cottman Avenue and handle pipe repair and repiping across Philadelphia, Bucks County, and Montgomery County.

      A pipe problem rarely announces itself politely. We find the actual failure, whether it is a corroded joint, a pinhole leak, or a supply line that needs to come out entirely, and we confirm the price before any work starts.

      Philadelphia's piping runs the full history of American plumbing. Pre-war row homes still carry original galvanized steel supply lines and cast iron drain stacks. Mid-century housing brought copper. Newer renovations introduced PEX and CPVC. The EPA's Lead and Copper Rule Improvements now mandate that water systems across the country replace all lead service lines within ten years, a rule that speaks directly to cities like Philadelphia where lead and galvanized pipes remain in the ground and inside the walls of thousands of homes.

      Guaranteed Plumbing & Heating has been repairing and replacing pipes across Philadelphia since 1990. We work on water lines, waste lines, supply risers, and everything in between, and we know what is behind the walls of this city's housing stock because we have been opening those walls for over three decades. Below is how we approach a pipe problem, the repairs we run most often, and what to expect when we arrive.

      Why pipe repair in Philadelphia is its own kind of job

      Two things make pipe work in this city different from pipe work in newer housing markets.

      The materials you run into. A plumber working in a development built in 2005 knows what is behind the drywall before the truck is parked. In Philadelphia, one job might involve galvanized steel threaded fittings from the 1920s, the next might be sweated copper from the 1960s, and the one after that could be a mix of three materials where a previous repair tied new pipe into old without matching metals properly. The Philadelphia Water Department maintains over 3,000 miles of sewer and water infrastructure, and the private side of that system, the piping inside your home, is just as varied. Diagnosing and repairing pipes accurately means understanding every material you might encounter and how each one fails.

      The consequences of getting it wrong. A botched pipe repair in a Philadelphia row home does not just affect one floor. Shared walls, stacked plumbing risers, and finished basements mean a leak that is not fixed properly can damage the ceiling below, the wall next door, or the subfloor under a bathroom you just renovated. Galvanized-to-copper connections without a dielectric union corrode from the inside out. Lead solder on copper joints contaminates drinking water. These are not hypothetical problems in this market. We see them regularly and fix them correctly.

      This is why a patch is not the same as a repair. Clamping a fitting over a pinhole leak stops the drip. Finding out why that section of pipe developed a pinhole in the first place, whether it is galvanic corrosion, aggressive water chemistry, or a pipe that is simply past its useful life, is the part that keeps the next leak from showing up six months later.

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      Pipe repairs and repiping jobs we handle most often in Philadelphia

      We diagnose first and scope the job to the actual condition of the piping rather than guessing. The pipe work we handle most often:

      • Galvanized pipe replacement

        Galvanized steel supply lines corrode from the inside over decades, restricting flow, dropping water pressure, and eventually leaking. When you turn on the hot water and the pressure is half what the cold side delivers, the galvanized hot line is almost certainly the problem. We replace galvanized sections or full runs with copper or PEX, depending on the application and the homeowner's preference.

      • Copper pipe repair

        Copper is reliable, but it is not immune. Pinhole leaks from pitting corrosion, failed solder joints, and splits from freezing all show up regularly. We cut out the damaged section, solder or press-fit the replacement, and check adjacent joints for signs of the same problem.

      • Cast iron drain and waste pipe repair

        Philadelphia row homes and twins commonly have cast iron drain stacks and horizontal waste runs. Cast iron lasts a long time, but when it fails it cracks, separates at joints, or develops channeling along the bottom of the pipe from decades of flow. We cut and replace the failed section and transition to compatible materials where appropriate.

      • Whole-house and partial repiping

        When isolated repairs stop making sense, whether the galvanized lines are restricted throughout, the lead supply needs to come out, or the copper is pitting in multiple locations, a repipe is the right move. We scope the job to what actually needs replacement rather than tearing out pipe that still has life in it.

      • Frozen and burst pipe repair

        Philadelphia winters freeze pipes, particularly in uninsulated exterior walls, crawl spaces, and unheated areas of row homes. A frozen pipe that has already burst needs emergency repair and often insulation or rerouting to prevent a repeat the next winter.

      • Supply line and shutoff valve replacement

        Old gate valves seize open or closed, and corroded supply lines restrict flow or leak at fittings. We replace the failing valve or line and verify the rest of the supply path while we are in the wall.

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      Pricing, coupons, and financing

      We do not publish flat pipe repair or repiping prices, because the scope depends entirely on what the pipe is made of, where it runs, how much of it needs to come out, and what is behind the wall or under the slab. Pricing is confirmed on-site after we assess the system and before any work starts. We do not change the price after the fact.

      • Repair or repipe

        A single leaking joint on an otherwise healthy copper system is a straightforward fix. A galvanized hot-water supply line that is corroded from end to end is a different conversation. We tell you what condition the rest of the piping is in, not just the section that is leaking right now, and give you the honest math on whether a targeted repair or a broader repipe is the better use of your money.

      • Financing

        For repiping projects and larger plumbing repairs, we offer instant approval financing through GoodLeap.

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      What to expect when we arrive

      When you call 215-342-7200, this is how a typical pipe repair or repiping call runs.

      • 1. Triage on the phone

        We ask where the leak or the problem is showing up, what you can see, whether the water is shut off, and what kind of home you are in. That tells us what tools and materials to load and how fast to get there.

      • 2. Assessment on arrival

        The technician inspects the visible piping, checks water pressure, and evaluates the condition of the material beyond the immediate problem area. If the leak is hidden in a wall or ceiling, we locate it before opening anything up.

      • 3. The real scope, explained

        We tell you what the pipe is made of, what failed, whether the problem is isolated or part of a broader pattern, and exactly what it takes to fix it right. If we find galvanized lines that are restricted throughout, we tell you that before you spend money patching one spot.

      • 4. The repair or repipe, done right

        We carry copper, PEX, fittings, valves, and transition couplings on the truck. Targeted repairs often finish the same day. A partial or whole-house repipe is scheduled based on scope, and we give you the timeline before we start.

      • 5. Pressure test and cleanup

        After any pipe work, we pressure-test the new connections, check every joint for leaks, restore water, and verify flow at the fixtures. You get an itemized invoice describing exactly what was replaced and where.

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      Credentials that matter for pipe repair in Philadelphia

      Pipe work involves your drinking water supply, your waste system, and often structural access through walls, floors, and ceilings. The Philadelphia Department of Licenses and Inspections requires licensed, insured plumbing work that meets code and is current on proper registrations. Repiping projects that alter the layout or capacity of the plumbing system require a permit, and we handle that process. We have been operating under this 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 in the Philadelphia area since 1990.

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      Frequently asked questions about pipe repair and repiping in Philadelphia

      How do I know if my galvanized pipes need to be replaced?+

      The most common sign is low water pressure, especially on the hot side, because corrosion builds up faster in hot-water lines. Rusty or discolored water when you first turn on a faucet is another indicator. If your home was built before 1960 and still has the original supply lines, they are almost certainly galvanized and likely restricting flow. We can assess the condition and tell you how much life is left.

      Does my whole house need to be repiped, or can you fix just the bad section?+

      It depends on the overall condition. If one copper joint failed because of a freeze and the rest of the system is healthy, a targeted repair makes sense. If the galvanized supply lines are corroded throughout the house, replacing one section while the others continue to deteriorate is not a good use of your money. We assess the full system and give you the honest scope.

      Is it true that Philadelphia still has lead pipes?+

      Yes. Lead service lines and lead solder joints exist across the city, particularly in homes built before the mid-1980s. The EPA now requires water systems to replace lead service lines within ten years, but the piping inside your home is your responsibility. If you suspect lead supply lines in your home, we can inspect and replace them.

      What is the difference between copper and PEX for a repipe?+

      Copper is the traditional standard, soldered or press-fit, durable, and proven over decades. PEX is a flexible plastic tubing that installs faster, resists freezing better, and costs less for labor and material. Both are code-compliant in Philadelphia. We install either and will walk you through the trade-offs for your specific home.

      Can you repipe a row home without tearing out all the walls?+

      In most cases, yes. Row homes have limited access, but we plan the routing to minimize openings. We use existing chases, pipe runs, and access points wherever possible, and we patch what we open. A full repipe in a row home is a bigger job than in a single-family home, but we have done hundreds of them.

      My pipes froze last winter. Can you prevent that from happening again?+

      Yes. After repairing the burst section, we evaluate why it froze, whether it is an uninsulated exterior wall, an unheated crawl space, or a pipe routed too close to a cold surface, and recommend insulation, rerouting, or heat cable depending on the situation.

      Do you serve pipe repair and repiping in Bucks County and Montgomery County?+

      Yes, both, with the same crews dispatched out of our Northeast Philadelphia office on Cottman Avenue. Suburban homes tend toward copper and PEX, but older boroughs and townships have galvanized and cast iron systems similar to what we see in the city, and we handle the full range.

      Schedule pipe repair or repiping in Philadelphia

      Local shop, local crews, local since 1990.

      Pipe repair and repiping in Philadelphia means working with materials that span the full history of American plumbing, from lead and galvanized steel to copper and PEX, and getting it right starts with understanding what is actually in the walls. Call 215-342-7200 and we will assess the system, explain what needs to happen, and confirm the price before any work begins. 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

      Guaranteed Plumbing Review

      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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      Kujtim

      Bakalli

      Guaranteed Plumbing Review

      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

      Guaranteed Plumbing Review

      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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      Patrice

      Romanofsky

      Guaranteed Plumbing Review

      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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      Denise

      Levins

      Guaranteed Plumbing Review

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