Polly Plumbing | 1762 Keller Pkwy, Keller, TX | (817) 286-3446. Locally owned, not a franchise. Every sewer diagnosis on our trucks gets reviewed by a licensed master plumber. Texas License RMP-42199. Serving Keller, Southlake, North Richland Hills, Grapevine, Flower Mound, Fort Worth, Arlington, Trophy Club, Roanoke, and all of Tarrant County.
On the first day of July we ran two main line calls. Two houses, same story. Every drain in the house slow. That gurgle from the hall bathroom. A smell starting to come up through the floor.
The first one cleared with the jetter. The camera showed the pipe itself was healthy, just packed up at one spot. That homeowner got the least expensive outcome on our board, and we were gone before lunch.
The second one would not clear, and the camera showed why. A section of the line had failed. Waste was catching there on every flush, and no amount of jetting was going to change what the pipe had become. That job took a crew most of the day, and the invoice looked nothing like the first one.
Same day. Same complaint. Two bills so far apart they barely looked like the same trade.
That spread is the honest answer to what sewer line replacement costs in Keller. Nobody can price it over the phone, including us. Anyone who does is guessing with your money. What we can do is explain what separates a clearing from a repair from a full replacement, what pushes a job from one end of the range to the other, why two companies will quote the same trench differently, and when you do not need replacement at all. Which is most of the time, honestly.
The Short Version, Then the Full Story
If you just want the lay of the land before the detail, here it is.
| Situation | What to expect |
|---|---|
| Clearing a blocked main line (snake or jetter) | The least expensive outcome by far. Most main line calls end here. |
| Sewer camera inspection | A small flat fee, credited toward any repair we do |
| Spot repair, one failed section | A few thousand dollars for most Keller homes |
| Replacing a longer run toward the street | Mid four figures, climbing into five figures as the job gets harder |
| Deep lines, work under concrete, or tunneling under the slab | The top of the range. Five figure territory. |
| Trenchless lining or bursting | Priced by the foot. Earns its keep when restoration would cost more than plumbing. |
| Dispatch fee | $89, waived for PollyCare members |
You will notice we are not printing a tidy price menu here, and that is on purpose. Search around and you will find national calculators promising an average replacement cost, and quotes across DFW spanning from a few thousand dollars to more than twenty thousand for jobs that sound identical on paper. Both are telling some version of the truth. Neither is useful, because no calculator has seen your pipe. Every line we scope is a different length, a different depth, a different material, under a different yard.
So the only number that matters is the one on a written quote for your specific line, after a camera has been through it. Everything in this article is expectation setting. Your quote is the price, and with us the quote is the invoice. There is no emergency surcharge, ever. For how we think about pricing service work in general, our plumber cost guide for Keller TX lays it out.
Now the part that actually saves you money: understanding why the same phone call can end at the bottom of that table or the top of it.
First, Know Which Pipe We Are Talking About
Your sewer line, sometimes called the lateral, is the single drain pipe that carries everything out of the house. Every fixture feeds into it. It leaves the home at the lowest point, crosses the yard 2 to 6 feet underground, and ties into the city connection near the street. In most Keller homes that run is 30 to 80 feet.
Some of it may run under your slab before it ever reaches the yard, especially in homes where the bathrooms sit far from the street side. That detail matters a lot to price, because dirt is cheap to open and concrete is not.
One more thing worth ruling out before anyone digs. A soggy spot in the yard with no sewage smell, plus a water bill that keeps climbing, usually points at the water service line instead, which is a completely different pipe with different fixes and different price ranges. Our water line repair guide for Keller TX shows how to tell them apart. And if the trouble is under the foundation, start with our slab leak detection guide.
What This Summer’s Calls Taught Us
The bands in that table are not from a national cost calculator. They come from our own June and July work in and around Keller. Four calls tell the whole story.
The clearing that stayed a clearing. That first July call ended the way most do. Grease, wipes, roots at one joint. Cleared, filmed, documented, done, at the least expensive line on the board. If that is your situation, our drain unblocking service handles it same day, and our drain cleaning guide for Keller TX explains what snaking and jetting can and cannot fix.
The spot repair. In mid June we replaced one failed section on a line that was otherwise sound. A few thousand dollars, one localized dig, done. One bad joint in a healthy pipe does not need a sixty foot trench, and we will be the first to say so.
The clearing that earned a quote, not a shovel. Also mid June, a homeowner called with a blocked main. We cleared it for a fraction of what any repair would run. The camera showed a section starting to go, so we wrote up the repair price and left it with them to plan around. No countdown clock. No scare speech. The line works today, and when they are ready, the number will not have mysteriously grown.
The replacement. The second July 1 call. The line would not clear because a section had failed outright, and the camera proved it. Crew, excavation, new pipe, city inspection. It was the biggest invoice of that week, and the homeowner watched the footage before saying yes.
That is the honest spread. The same phone call can end at the bottom of the board or the top of it, inside the same month.
What Pushes a Keller Sewer Quote Up or Down
Seven things decide most of the spread. Ask about all seven no matter who you hire.
1. How many feet are actually bad. Five feet of damage is a spot repair. Damage at every joint is a replacement. The camera settles this, not a sales pitch. Never accept a footage number nobody can show you on a screen.
2. How deep the line sits. Around here laterals run 2 to 6 feet down, and they get deeper as they approach the city connection. Deeper means more digging, shoring for the crew, and more hours.
3. What sits on top of it. Grass is cheap to open and close. A driveway, a patio, mature landscaping, or the slab itself is not. Tunneling under a foundation is slow, careful work, and the price shows it. In Southlake especially, where Timarron and Carillon era homes sit on post-tension slabs, nobody should cut concrete before the cables are located. That is not an upsell. That is how you avoid turning a plumbing repair into a structural one.
4. What the pipe is made of. This tracks the age of your house almost perfectly, and we cover it street by street below. Our sewer line repair guide for Keller TX goes deep on how each material fails, including the cast iron channel rot problem that surprises so many North Texas homeowners.
5. Access for people and machines. Gates, fences, AC pads, gas meters, and buried utilities all shape the dig. Texas law requires utility locates before excavation, so we call in the 811 ticket and wait for the paint marks. Good bids mention this. Bids that skip it are telling you something.
6. The weather when we dig. Blackland Prairie clay turns to concrete in a dry August and to soup after a spring storm. Both slow a trench down. Summer digging in shrink-cracked clay is its own skill, and it is one reason two identical jobs can price differently in March and July.
7. Whether your home has a usable cleanout. A two-way cleanout near the foundation gives the camera and jetter a front door. Plenty of older Keller homes never got one. Adding a cleanout is money well spent, but it is a line on the quote, so ask.
Restoration is the quiet eighth factor. Ask exactly what goes back: sod, concrete, sprinkler lines. Get it in writing. Ours is.
Keller Pipe Eras, Street by Street
Keller grew in rings, and the sewer pipe under each ring came from whatever the industry was installing that decade. Knowing your era tells you eighty percent of the story before the camera confirms the rest.
Old Town Keller and the oldest streets off US 377. Homes here can predate 1972, which means clay pipe or Orangeburg, a bituminized fiber pipe that is basically compressed tar paper. Orangeburg goes soft and oval after decades in wet soil, and once it deforms, no cleaning method saves it. If a pre-1972 Keller home has never had a sewer scope, it is overdue, full stop.
South Keller near the North Richland Hills line, and the 1970s and 80s pockets. Cast iron territory. This pipe corrodes from the inside along its bottom, so it can look fine at the joints while the floor of the pipe thins out year after year. NRH has the oldest housing stock we serve, and it is no accident that its underground failure rate leads the area. Our leak detection guide for North Richland Hills covers the supply side of that same story.
Monticello, Woodland Springs, Parks at Keller, and the older Town Center sections. Late 80s through the 90s, the changeover decade. Some streets got the last of the cast iron. Neighbors two doors down got early PVC. These neighborhoods also carry the mature silver maples, willows, and live oaks whose roots hunt pipe joints every dry summer. Here the camera is not a formality. It is the difference between a simple clearing and a repair you did or did not need.
Hidden Lakes, Marshall Ridge, and the newer sections of north Keller. PVC, which does not rust and does not rot. Full replacement is rare out here. What we do see is soil movement creating low spots, called bellies, where waste pools and clogs repeat. A belly is a dig and regrade problem, not a pipe material problem, and it is usually a localized fix.
| Build era | Likely pipe | What usually goes wrong | The usual fix |
|---|---|---|---|
| Before 1972 | Clay or Orangeburg | Deformation, joint separation, root entry | Replacement of the affected run |
| 1972 to early 1990s | Cast iron | Bottom-of-pipe corrosion, roots at joints | Spot repair or section replacement |
| Early 1990s onward | PVC | Bellies from soil movement, roots at joints | Clearing, spot repair, regrade |
Polly Plumbing is a locally owned shop on Keller Parkway. We scope, clear, repair, and replace sewer lines across Keller and Tarrant County, and every finding goes to you in writing with the footage to back it up.
Around the Area: What Changes City to City
The physics do not change at the city line, but the houses do.
In Southlake, the post-tension slabs under Timarron, Carillon, and their neighbors mean under-slab work starts with cable location, and the expensive finishes usually make a reroute or tunnel smarter than cutting floors. In Grapevine, Historic Downtown homes carry original cast iron interior drains, and the lake area humidity is not kind to fittings; our drain cleaning guide for Grapevine TX covers that pattern. In Flower Mound, the Bridlewood and Wellington era neighborhoods run their permits through the Town, and we handle that paperwork like we do Keller’s. Trophy Club spans everything from 1970s Hogan’s Glen to nearly new Canterbury Hills, so build year matters more than the city name. And Roanoke splits between the historic Oak Street blocks and brand new Seventeen Lakes, which might as well be two different plumbing markets sharing a downtown.
We price by what is in the ground, not by the zip code. But knowing what each city buried decades ago is why our first guess on the phone is usually close.
Why Sewer Lines Break in a Keller Summer
Tarrant County sits on Blackland Prairie clay with very high shrink-swell potential, something the USGS has documented for decades. The NOAA climate normals for DFW show the pattern that makes it dangerous: wet springs, then long dry summers. The clay swells, then shrinks hard, and every cycle tugs on the joints of a pipe that was laid straight forty years ago.
July and August pile on two more problems. Tree roots chase moisture in a drought, and the wettest thing in a dry yard is a sewer pipe with a gap at a joint. And our water itself works against us. The City of Keller’s water quality reports put local hardness at 15 to 25 grains per gallon, among the hardest in Texas. That scale roughens the inside of drain lines, catches grease and paper, and turns a small defect into a clog that keeps coming back until somebody puts a camera on the real cause.
It is not a coincidence that our sewer phone rings most in the hottest weeks of the year. It is the soil, the roots, and the water doing what they always do.
What Replacement Day Actually Looks Like
People picture a backhoe eating the whole yard. Here is the real sequence on a typical Keller replacement.
Before we dig. We file the 811 locate ticket and wait for the utility paint marks. We pull the plumbing permit with the City of Keller. Both are included in the quote, not extra.
Dig day. The crew opens a trench along the marked line, or sets up a tunnel entry if the run passes under concrete or the slab. The failed pipe comes out. New Schedule 40 PVC goes in, bedded properly and set at the steady downhill grade the code requires, because a pipe with the wrong slope is just a future belly with a receipt.
Inspection. The city inspector looks at the work with the trench still open. We schedule it, we meet them, and nothing gets buried until it passes.
Closing up. Backfill, compaction, cleanup, and a final camera pass through the brand new line so you have footage of what you paid for. You get a written summary the same day, like every Polly visit.
Most spot repairs finish in a day. Longer runs usually take one to two days with the inspection. Tunnel work adds time, and we tell you the expected drain downtime up front, which for most jobs means you are using water normally each evening.
Repair or Replace: The Honest Math
One failed section in a sound pipe is a spot repair. That is the whole rule, and the camera enforces it.
Where homeowners get hurt is the slow bleed. If a line needs professional clearing every single year, you are paying a few hundred dollars annually to rent your own sewer back. Stack up five years of that and you have spent real repair money keeping a dying pipe on life support, and at the end of it the pipe is five years worse. Recurring clearings at the same spot are not maintenance. They are a symptom with a subscription fee.
The other direction matters just as much. Cast iron with corrosion along its whole bottom cannot be fixed five feet at a time, because the next failure is already forming a few feet away. And a belly cannot be lined or jetted into having the right slope. Physics does not negotiate.
Our bias, stated plainly: the smallest fix that actually ends the problem. We put both numbers in writing, you watch the same footage we watched, and you decide. We would rather replace five feet of pipe than sell you sixty feet you did not need, and we would rather lose a job than clear the same line every winter and call it service.
Trenchless in Keller Yards: When It Earns Its Price
Trenchless comes in two flavors. Lining cures a new epoxy pipe inside the old one. Bursting drags a head through the old pipe, cracking it outward while pulling new pipe into place behind it. Both skip the long trench.
Trenchless is priced by the foot rather than by the trench, and the per foot rate moves with the method, the pipe condition, the depth, and the access. On a short run under open grass, digging usually wins the math. Trenchless earns its price when the line runs under a driveway, a pool deck, or mature landscaping, because the restoration you skip is worth more than the premium you pay.
The catch is that the old pipe has to qualify. A collapsed section cannot be lined, and a belly stays a belly no matter what you pull through it. The camera decides whether trenchless is even on the table, which is one more reason no honest sewer quote exists without one.
Why Two Companies Quote the Same Trench Differently
Get three bids on the same sewer line and you can get three numbers thousands of dollars apart. That is not necessarily anyone lying. It is four business realities showing up in the price, and knowing them makes you a much harder customer to fool.
Who is actually in the trench. A crew of licensed plumbers costs more per hour than subcontracted labor, and it should. Licensing, insurance, permits pulled, inspectors met: all of that lives in the number. So does a warranty from a company built to still exist when you call it in.
Overhead. Every quote carries the company that wrote it. A national franchise’s royalties and ad budget ride along in their price. A one truck operator with no office might bid low and be genuinely unreachable in two years. We run lean on purpose: a local shop on Keller Parkway, licensed plumbers, live answering, and no franchise math hiding in your invoice.
What is included. This is the biggest hidden difference between bids. One includes the permit, the 811 locates, the inspection, haul off, and putting your yard back. Another quietly excludes half of that. The cheapest number on paper is often the most expensive trench by the time it closes.
How it is billed. A flat rate written quote protects you. Open ended hourly digging does not. Ours is flat rate, in writing, and the quote is the invoice.
None of this means the highest bid is the best or the lowest is a scam. It means a price only makes sense next to what it includes, who stands behind it, and what happens after the trench closes. Read the scope, not just the number.
How to Not Get Burned on a Sewer Quote
The sewer business has earned some of its reputation. Protect yourself with four habits, with us or with anybody.
Never accept a replacement quote given over the phone. Never accept one without camera footage you personally watched, live, with the distances called out on screen. Be suspicious of anyone who discovers a whole-yard catastrophe on the first visit but cannot show you where it lives. And treat pressure clocks, today-only pricing, and scare language as the diagnostic information they are.
Already holding somebody else’s replacement quote? Have us scope it before you sign anything. We will tell you straight what the camera shows, even when the answer is that the other bid is fair.
Who Owns What, Permits, and Insurance
In Keller, the line from your house to the city connection is your responsibility. The main under the street belongs to the city. When a failure sits near that boundary, we locate it on camera and document it before anyone spends a dollar, because a city-side problem is not your bill and the paperwork should prove it.
Replacement work requires a plumbing permit and a city inspection before the trench closes. We pull the permit and meet the inspector. Included, not extra.
Insurance is the sore subject. Most policies call an old, worn out pipe a maintenance problem, which means no coverage. Many insurers sell a service line rider that changes that for a small annual cost. Call your agent about it this week, while your line still works. When coverage does apply, our written camera reports and repair documentation give the adjuster what they need.
What Happens When You Call Us
A live person answers, day or night. You get a text with your plumber’s photo before anyone knocks. The camera goes in, you watch the screen with us, and the options go on paper with real numbers for your specific line. The written quote is the invoice. After the visit you get a written summary of everything found and done.
The parrot on the truck is not just a logo. It is the whole promise: you always know what Polly will say, because it is in writing.
We Are Close By
Polly Plumbing runs sewer camera inspections, spot repairs, full replacements, and trenchless work from our shop on Keller Parkway, serving Keller, Southlake, North Richland Hills, Flower Mound, Fort Worth, Arlington, Trophy Club, Roanoke, and all of Tarrant County.
Backed up, or staring at somebody else’s replacement quote? Call (817) 286-3446. Live agents answer 24/7, the camera tells the truth, and the written quote is the invoice.
Frequently Asked Questions About Sewer Line Replacement Cost in Keller TX
How much does sewer line replacement cost in Keller TX?
There is no single honest number, and the spread is wide for real reasons. Clearing a blocked line is the least expensive outcome and where most calls end. A spot repair on one failed section runs a few thousand dollars for most Keller homes. Replacing a longer run moves into the mid four figures and climbs into five figures when lines run deep, under concrete, or under the slab. Length, depth, access, pipe material, restoration, and each company’s overhead all move the number. A camera inspection, a small flat fee we credit toward repair, turns those bands into your actual written quote. Call Polly Plumbing at (817) 286-3446.
How long does sewer line replacement take?
Most spot repairs are finished in a single day. Replacing a longer yard run usually takes one to two days, including the City of Keller inspection that happens while the trench is still open. Tunneling under a slab or breaking through concrete adds a day or more. We schedule the 811 utility locates and the permit before dig day, tell you the expected drain downtime in the written quote, and on most jobs you are using water normally each evening.
Is trenchless sewer replacement cheaper than digging in Keller?
Sometimes, and the yard decides. Trenchless is priced by the foot, so on a short run under open grass, digging usually wins the math. Trenchless earns its price when the line passes under a driveway, pool deck, or mature landscaping, because the restoration you skip is worth more than the premium you pay. The limit is pipe condition: a collapsed section cannot be lined, and a bellied section keeps its bad slope no matter what gets pulled through it. The camera inspection tells us whether trenchless is even an option for your line. Call (817) 286-3446 and we will look.
Who is responsible for the sewer line, me or the City of Keller?
You own the lateral from the house to the city connection. The city owns the main under the street. When a failure sits near that boundary, we locate it on camera, measure the distance on screen, and document it in writing before anyone pays for anything, because a city-side failure is not your bill and you will want proof. Call Polly Plumbing at (817) 286-3446 and we will help you sort out which side of the line the problem lives on.
Can you replace only part of a sewer line?
Yes, and often that is exactly what we recommend. One failed joint or one crushed section in an otherwise sound pipe is a spot repair, typically a few thousand dollars, not a full replacement budget. Full replacement earns its price when the camera shows failures in multiple places, cast iron corroded along its bottom, or clay and Orangeburg pipe that is simply past its life, which mostly means pre-1990s Keller homes. We show you the footage and price both paths whenever both are honest options.
Will replacing my sewer line destroy the yard?
Less than people fear. Excavation opens a trench along the failed section only, and we keep it as tight as the job allows. Grass recovers in a season. Concrete, sprinkler lines, and landscaping in the path are the expensive part, and that is exactly when trenchless methods or tunneling earn a serious look. The written quote spells out what gets disturbed and what gets restored, down to the sod, so nothing about backfill day is a surprise.
Do I need a permit to replace a sewer line in Keller?
Yes. Sewer line replacement in Keller requires a plumbing permit and a city inspection before the trench closes, and Texas requires 811 utility locates before excavation. We pull the permit, call in the locates, schedule the inspector, and include all of it in the written quote. If a bid you are holding mentions none of that, ask why before anyone digs. Questions about a quote you already have? Call Polly Plumbing at (817) 286-3446.