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CostHelper > Home and Garden  > Plumbing & Waterproofing > Sewer Line Replacement

Sewer Line Replacement Cost

How Much Does Sewer Line Replacement Cost?

average costTraditional Process: $50-$250+ per foothigh costTrenchless Process: $60-$250+ per foot
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  Typical costs:
  • The traditional dig-up-and-replace method requires excavating a long, deep trench or trenches to remove the old pipes and install new ones. This method can cost $50-$250 or more a foot, depending on the length and depth of the existing pipes, local rates and the ease of access. Replacing an average sewer line from the house to where it connects to the public sewer system typically costs $3,000-$6,000. However, if the project is complex and/or if the connection to the public system is in the middle of the street it can cost $7,000-$25,000 or more. CostHelper readers report paying $4,500-$13,000, or $50-$100 per foot traditional replacement of 50'-100' of sewer line, for an average cost of $7,493 or $106 per foot.
  • Trenchless sewer replacement uses minimal digging with one of several methods -- pipe-bursting, in which a machine breaks and pushes out the old pipe while pulling through and installing a new pipe in its place. Expect to pay about $60-$200 per foot, or $3,500-$20,000 for an average household sewer line depending on the type, length and depth of the existing pipe, plus the cost of any required permits or sidewalk repairs. The trenchless slip-lining method (in which a new, smaller-diameter is installed inside the existing sewer line) or relining (both of which reduce the overall interior diameter of the sewer line) typically cost $80-$250 or more a foot, or $4,000-$25,000 or more for a typical household sewer. CostHelper readers report paying $6,000-$12,000 or about $92-$238 per foot for trenchless sewer repair, with an average cost of $8,900 ($162 per foot).
  • Smaller projects generally cost more per foot. To replace sewer lines less than 50' long, CostHelper readers paid $5,500-$6,800 or $148-$550 per foot for traditional trenching projects, at an average cost of $6,167 or $232 per foot.
Related articles: Septic System, Septic Tank Cleaning, Replacing Copper Pipes, Unclogging a Toilet

What should be included:
  • Traditional dig-and-replace sewer work can require a lot of invasive excavation and result in a patched-up yard, but can be a relatively simple project; an excavator digs up the old pipes, new ones are installed and the trench is refilled. A California plumber provides a video of replacing old clay piping using traditional methods[1] .
  • Trenchless methods are usually faster than the traditional approach, but require at least some digging, usually at each end of the existing pipe and anywhere in-between where it bends or turns. A video by the manufacturer US Trenchless illustrates the pipe-bursting process[2] while one by a New Hampshire plumbing company explains sewer pipe relining[3] .
  • Sewer pipe installation or replacement generally requires a permit; check with the local building department or make sure the contractor is handling all needed government approvals and paperwork.
Additional costs:
  • Many companies first do a video camera inspection of the pipes at a cost of $100-$800 but with an average price of $250-$550, depending on local rates and the total length of the pipes; often this amount will be deducted from the final bill if the same contractor replaces the sewer line.
  • Ask detailed questions about what condition the yard will be in when the project is completed. Replacing (lawn, trees, shrubs, flower beds) displaced or damaged by traditional trench digging can cost $50-$5,000 or more, depending on how much is involved.
Shopping for sewer line replacement:
  • Replacing a private sewer line can be done by a plumber, sewer contractor or general contractor; get a variety of quotes because they may differ in both price and available equipment. The City of Portland, OR, provides an overview for installing a private sewer line[4] .
  • Check with the sewer department to see if it maintains a list of local contractors or, for larger projects, search for local members of the Plumbing Heating Cooling Contractors Association[5] .
  • Ask about training and experience; request (and check) references; confirm that the company is properly bonded, insured and licensed[6] ; and see if there are any complaints with the Better Business Bureau[7] .
  • Request a detailed bid (not just an estimate) in writing, clearly describing all the work to be done and the materials to be used, who is paying for and obtaining required building permits, the total price for the project and the estimated start and finish dates.
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Mobile Home sewer replace
Amount: $2,880.00
Posted by: Connie L. in Naples, FL.Posted: December 13th, 2014 09:12AM
Type: Don’t know what category this falls undrLength: 60\'
I live in a mobile home so the sewer line is attached to the bottom of the mobile home. So I don’t know if this falls under trench less etc.. Plumber replaced the whole sewer line at least down to where it starts to go subterranean, also he repiped my kitchen sink plumbing, added a sturdevent stack under the sink which is the code now, and also aimed the water to travel a shorter distance to the main sewer instead of going 25’ longer to hit the sewer line.
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Sewer Line Replacement and Lining
Amount: $15,000.00
Posted by: SL Homeowner in Salt Lake (Mid-Valley), UT.Posted: November 19th, 2014 03:11PM
Type: Sewer replacement and liningLength: 50\' PVC 50\' Lining
Feet are estimates, but with 30' bellied clay pipe causing frequent backups into the floor drains in the house, we replaced 49' of clay pipe from the edge of our property to the main line with sewer PVC and roughly 50 feet of lining from that mid-point to the inside of the house (just inside the foundation with mostly clay pipe until it transitioned to cast iron sewer pipe under the house). Expensive but worth it as we were tired of augering out the mainlines every 2-3 months.
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sewer line replacement
Amount: $800.00
Posted by: Dennis Mathenia in Benton, AR.Posted: October 2nd, 2014 02:10PM
Type: pvc,thin wallLength: 65' from clean-out
so far it has cost 800.00,gave an estimate 3500.00-4000.00to replace,retaining wall is collapsing where they think the break in the sewer line is,the estimate is from roto-rooter,not good have someone else coming to give estimate?????
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expensive but fair
Amount: $18,000.00
Posted by: Not a DIY project! in Edgewater, MD.Posted: September 6th, 2014 09:09AM
Type: PVCLength: 150
Bowed line underground did not drain properly to street. Replaced lines in basement too, moving them from below the concrete floor to the basement ceiling level, as the "drop" from the house to the street wasn't sufficient. New trench (pebble-filled to support line) ran from 4 feet down at house to 16 feet down at street connection, so lots of digging. 5 full days of work. 2 men for plumbing (plumber and assistant) plus 2 men for 2 backhoes (one for deep work and one for shallow work close to house.) Note: 10-year home warranty only covers underground problems for 2 years. Negotiated $18,000 price. Plumber had to address cave-in that resulted in electric company replacing broken underground power line. Make sure whoever does the work has insurance and uses caissons for deep digging.
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Just buy Sewer Line Insurance
Amount: $16.00
Posted by: Insurance rocks in Los Angeles, CA.Posted: July 21st, 2014 03:07PM
Type: Length: 80 feet
Just buy sewer line insurance. I don't understand why people are paying thousands of dollars to pay for new sewer lines when insurance will pick up the tab. There are several companies out there who provide this insurance and it's only 16 bucks a month!
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Rooter town Denver very bad
Amount: $11,500.00
Posted by: Bad business in Boulder, CO.Posted: May 8th, 2014 11:05AM
Type: Replaced 5 ft then lined the restLength: 75
I got totally taken from rooter town. I had replaced a 5 ft piece of pipe in the yard and the rest lined. He started out with 3500 for the replacement and once the hole was dug recommended I line the rest as now he discovered it was off on the main. For comparison ithe whole thing dug up, including street should have been about 7k. I would recommend getting estimates and watching for those that start out with saying it is a small job and once the hole is dug tell you you need more and charge outrageously for it. Very unethical.
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sewer line replacement
Amount: $5,500.00
Posted by: unlucky in beverly hills, CA.Posted: April 17th, 2014 03:04AM
Type: cast ironLength: 8 foot
coast 2 coast rooter replaced 8 foot cast iron with abs pipe. root damaged corroded cast iron pipe due to negative flow over the years. dig up area below the foundation to 5 foot deep. tough work and costly.
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sewer line replacement and lining
Amount: $10,500.00
Posted by: Anna Geck in Detroit, MI.Posted: April 3rd, 2014 09:04PM
Type: pvc / clayLength: 15 feet
Mr. Rooter gave 10 and 15 year warranties for pvc partial replacement, and patching of remaining original clay. After 14 months, sewage again in basement because Mr. Rooter did not seal where they joined pvc to original clay, and roots blocked it up. Now they want $1650 to seal pipes they should have sealed in first place. What a racket. Furthermore, they are complete terrorists when you try to get them to inspect, and scream (yes, scream at you) to pay them $839.00 to look at the problem. I am a disabled person, and have no use for people who run companies like this. They just make a bad situation worse.
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Sewer line/lateral replacement
Amount: $7,100.00
Posted by: Mr Mark in Oakland, CA.Posted: January 21st, 2014 02:01PM
Type: Pipe bursting, 4" HDPE plasticLength: 90
City ordinances require replacement of old clay and the pipe was clogged with roots, so we replaced the line from the street to the house and cottage. The main portion of the work only took a day.
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Sewer Line Replacement
Amount: $8,818.00
Posted by: DebAP in Derwood, MD.Posted: November 8th, 2013 05:11AM
Type: PVCLength: 65 feet
Tree roots busted cast iron pipe and stopped water flow. Got prices for repair at $6700 with 5 year warranty or replacement of full line replacement at $8818 with 20 year transferrable warranty. My Plumber is doing the work. Line at deepest point is 12 feet down - shallowest point is 9 feet down.
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Replacing sewer line
Amount: $8.00
Posted by: Montlake Lady in Seattle, WA.Posted: October 23rd, 2013 12:10PM
Type: 4 and 6 inchLength: 100
I have not picked a plumber yet. The bids are like apples and oranges on the same line. In fact I am trying to understand why one is 8,000 and one is 13,000 and one is almost 22,000 to get sewer line approx. 100 feet from house to city connection on a rather main street. Except for lower price one, includes dealing with a catch basin in the basement that leads out to sewer. The higher price plumber says the lower bids are not covering unforeseen problems but since he was the only one to be able to camera all the way to city connection, that his bid is complete. What to do?
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Sewer pipe replacement.
Amount: $8,820.00
Posted by: Robert yanes in Aventura, FL.Posted: October 17th, 2013 07:10PM
Type: PVC foam coreLength: 140'ft
We replace this sewer line under this condition, had to watch for low tide had to use 3/4" p-rock to set pipe or would not being able to level pipe.
$65.00 per ft
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Sewer line repair
Amount: $10,480.00
Posted by: Earl in Fairfield, IA.Posted: April 12th, 2013 02:04PM
Type: Collapsed lineLength: 30 feet
Roto Ruter broke their cable trying to clear. Located problem with camera, 80 feet from Victorian house 10 feet down under rear lawn. Excavator dug to find collapsed tile pipe all the way under alley 16 feet down connection to city main.
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Amount: $3,400.00
Posted by: missprissy9393 in Baltimore, MD.Posted: April 9th, 2013 10:04AM
Type: Collapsed LineLength: 30\'
We have a very old tree in our yard and due to the tree roots getting through our line, we know have a collapsed sewer line. We have an excellent plumber at ALL NITE SEWER who we trust, that replaced our sewer line with cpvc piping and did not leave a mountain of dirt in our yard as I have seen in other yards. They tamped the dirt back down to ground level and now my grass is ready to grow back. If you are looking for an honest plumber, then I would recommend All Nite Sewer to EVERYONE
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Amount: $100.00
Posted by: a user in MILWAUKIE, OR.Posted: February 19th, 2013 01:02PM
Type: SEWER SCOPELength:
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sewer line replacement
Amount: $650.00
Posted by: big Moe in Dallas, TX.Posted: February 10th, 2013 03:02PM
Type: 4 inch PVCLength: 65 feet
I cant believe some of you people would actually pay thousands of dollars for sewer line replacement. get down and dirty and you will save thousands. bought invesment property and had sewer problems from day 1. snaked out line 3 times in one month n knew that line had to go. went to home depot, bought pipes and fittings and spent like $150. also rented backhoe digger for 300 bucks for 24hrs. had a couple guys helping me dig. we dug out 65ft and about 3 ft deep. paid them 100 bucks each. started at 9am and finished at 7pm. btw im not a plumber.
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Sewer line replacement
Amount: $11,500.00
Posted by: Joe Stanz in Bayonne, NJ.Posted: January 22nd, 2013 06:01AM
Type: City connectionLength: 50 feet
Did a great job, but how did they come up with this number?
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Main sewer and water line replacement
Amount: $0.00
Posted by: Happy Landlord in Arlington, VA.Posted: January 18th, 2013 06:01PM
Type: PvcLength:
Want to know a good company in Arlington, VA. Mr. Rotor quoted a price of $10,000. HELP.
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main drain line estimate
Amount: $4,700.00
Posted by: bjones wondering if I should get 2nd opinion in dayton, OH.Posted: January 16th, 2013 12:01AM
Type: clayLength: 45 ft
Had main drain backing up. Plumbing company came out to snake. and got tree roots out. Plumber was saying that he felt the drain had other issues so he came back to camera it (no charge) said it had cracks and probably ready to collaspe. He was showing to me but I had no idea what I was looking at. Gave estimate to reline with lifetime warranty on the condition of getting the main drained cleaned every year (current charge for that is $199 yr) otherwise 20 yr warranty. Drain replacement estimate was 6800.00 with 5 yr warranty. I wondering if I should just hold off to when and if it collapse and then pay the 6800.00 to have it replaced since I was only planning on living here a couple more years.
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Main Line relined
Amount: $14,000.00
Posted by: Chris27 in Roswell, GA.Posted: January 8th, 2013 07:01PM
Type: Sewer MainLength: 130ft
40 year old Cast Iron pipe leaves house under the garage follows under driveway downhill and through woods to street. Had roots penetrating in several joints backed up all the way up to the house. Roto-rooter had to cut into the drive up by the house to put in a clean out, then jet blasted the roots out of the pipe and relined the entire run with the Resin coated sleeve. Would have cost a lot more to break up drive and cut down trees to excavate and replace. Roto-rooter has 10 year warranty on work and Permi-Liner has a 50 year warranty on the materials I hope I never have to test this.
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Sewer line replacement
Amount: $600.00
Posted by: Handyman in Atlanta, GA.Posted: January 6th, 2013 12:01PM
Type: PVCLength: 60'
Backhoe rental, $250/day x 2 days
Materials, less than $100
10' deep trench, straight line from house to sewer tap. 14 hours total. At $100/hr., $1400 is a fair price.
If you can't do it yourself, at least know that this is actual cost. Call around, bargain for a better price. $5-6000 or more is absolutely ridiculous.
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lateral sewer replacement
Amount: $4,000.00
Posted by: larry monchamp in Duluth, MN.Posted: December 29th, 2012 05:12AM
Type: sewer mainLength: 40ft
This open trench project took 4 weeks, mud piled up for 3, open trench for 3 weeks,on nieghbors garden hose for 10 days, mine was shut off, the city of Duluth MN , says this a resonable amount of time for open trench is it???????
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updated system
Amount: $14,500.00
Posted by: grania in Seven Hills, OH.Posted: October 24th, 2012 03:10AM
Type: replacementLength: 40ft + 20ft
My house was built over 60 years ago with a septic system outside, in the back yard. Decades ago, the town switched to sewers, and somehow the sewer pipes ended up under a sunroom which was remodeled into a room. Those pipes were crushed by tree roots this summer, and there was also 20 ft to be replaced in front of the house. The solution for the part under the former sunroom was to close those pipes off and re-route them through the basement. The portion in front of the house was replaced by digging a trench. All of the elbows are new, and now none of the pipe is buried under the house. Roto-Rooter did the job, and I thought they were very professional with working up an engineering plan, working through the whole process with town inspectors, finishing the work one day and covering the outdoor pipes the next day.
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urgent rooter
Amount: $6,000.00
Posted by: luckyluc20 in Sylmar, CA.Posted: September 6th, 2012 09:09PM
Type: trenchlessLength: 70 feet
I'm not sure if all the work they did was needed.Job seemed to keep getting bigger and cost more.Started with $40 to snake drain,$150 for camera inspec.,$1200 for spot repair.Ahhh,whole line needs to be replaced.$6000.Then they show me roots futher down the line and start talking about more work,that's were I blew my top and got loud.They said don't worry it "should be O.K." for around 10 years.I would call someone other than Urgent Rooter
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Roto Rooter,Sewage backup, 2 years later replacement pipe collapsed
Amount: $3,000.00
Posted by: Diane Graves in Louisville, KY.Posted: July 18th, 2012 12:07PM
Poor work on Roto Rooter, they didn't support the pipe they installed and it collapsed causing alot of damage to the basement and alot of personal property. had a 5 year warranty but the GM Ray Dent offer to only pay 300.00 for the pipe. Refused to take responsibility for the damage even though we have a writte statement from the plumber that repaired it correctly ( Different Company) also MSD Agreed that Roto rooter was to blame.
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Sewer line hell hole
Amount: $3,200.00
Posted by: Grrrrr in Aurora, CO.Posted: June 2nd, 2012 09:06PM
Type: Dig clay and replace w PVCLength: 20'
Dug 14' down, replaced abt 20' of pipe. And what a hot mess it is! The walls collapsed several times making a 7' wide hole, dirt was put on top of the other half of our lawn, backhoe tore that out putting dirt back. Our sprinkler system is missing, it must be 10' under. The dirt did not fit back into the hole and so we now have a big 3' dirt/mud hill in our yard with ugly "up to code" clean outs right in the middle. :( lessons... Remove sprinkler heads/system and bushes nearby, try put dirt somewhere besides other grass (on wood). Also, dug up tons of yucky clay which I am guessing will not be so productive to new grass...
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my 82 yr. old dad got screwed by econo-air in anaheim ca
Amount: $11,000.00
Posted by: they r no good in l.b, CA.Posted: March 20th, 2012 09:03PM
Type: lined some abs someLength: less then 80 ft.
they told him that all the pipe was cracked n broke. it would be backing up so it needs repairs. they also had him apply credit card the limit 7200 2 days after app. they max it out.
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Sewer Line Inspection
Amount: $200.00
Posted by: a user in Toms River, NJ.Posted: March 19th, 2012 06:03PM
Type: Inspection CameraLength: 100 feet
Many companies charge $200 to $350 just to check the line. One company offers a Snake Push Rod Inspection Camera for $200. That's just the basics and all you should need. They also sell a monitor, Aux converter and/or RCA to USB converter in which you can capture the video if you need to.
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