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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon3.8k+
    Verified sewer line repair services reviews

Find Sewer line repair pros in Welby

Avatar for All American Drain Cleaning

All American Drain Cleaning

4.46(
24
)
Approved Pro

All American Drain Cleaning

4.46(
24
)
Approved Pro
Customers say: Super punctual
40 local quotes requested
Free onsite estimate

Looking for reliable drain cleaning and sewer repair services in Denver? Look no further! All American Drain Cleaning is here to help. Our experienced team is dedicated to providing top-notch service to homeowners in the Denver Metro area. Contact us today for all your drain cleaning needs.

"This company has been our "go to" business for all of our plumbing issues for years, and just yesterday (July 16) they replaced 10 feet of our sewer line. The crew was extremely gracious, worked well as a team, and took extra care to not damage our backyard. And when the job was done, they took more time to restore our landscaping so that you can't even tell a backhoe was in our backyard! My wife and I highly recommend this company!"

Tim B on July 2025

Looking for reliable drain cleaning and sewer repair services in Denver? Look no further! All American Drain Cleaning is here to help. Our experienced team is dedicated to providing top-notch service to homeowners in the Denver Metro area. Contact us today for all your drain cleaning needs.

"This company has been our "go to" business for all of our plumbing issues for years, and just yesterday (July 16) they replaced 10 feet of our sewer line. The crew was extremely gracious, worked well as a team, and took extra care to not damage our backyard. And when the job was done, they took more time to restore our landscaping so that you can't even tell a backhoe was in our backyard! My wife and I highly recommend this company!"

Tim B on July 2025


Avatar for Behold Heating & Cooling Services

Behold Heating & Cooling Services

4.94(
33
)
Approved Pro

Behold Heating & Cooling Services

4.94(
33
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
298 local quotes requested

Behold the Difference! Every day we are invited into our customer’s homes. Into their safe place and sanctuary. Quite often this is in the midst of a concern or issue that needs to be fixed! With an extensive background that spans well beyond just the trades, we love to be different. In addition to decades of industry experience, we bring some secret sauce - we love to take all the time needed to help, to make sure you are comfortable, and to provide amazing solutions. Come BEHOLD the difference! "Unfortunately we do not service or intall swamp or evaporative coolers".

"My water heater had gone out and called and called around trying to get quotes and big company’s were trying to schedule in person quotes which I know is a strong arm to get the work done then and there because they are already at your house ect. But with Behold I had a personal direct text from them asking about my situation and all I had to do was give some info send in pictures and voilà! They gave me their quote(2300$) which also beat all the company’s(3k$+) I had heard from! They had a tech out to me ASAP. It almost could’ve been same day but I was in no rush. Hunter came in and did it all him self of removal of old and installing new in just two hours! They are great to work worth and will definitely recommend and go to again."

London A on November 2025

Behold the Difference! Every day we are invited into our customer’s homes. Into their safe place and sanctuary. Quite often this is in the midst of a concern or issue that needs to be fixed! With an extensive background that spans well beyond just the trades, we love to be different. In addition to decades of industry experience, we bring some secret sauce - we love to take all the time needed to help, to make sure you are comfortable, and to provide amazing solutions. Come BEHOLD the difference! "Unfortunately we do not service or intall swamp or evaporative coolers".

"My water heater had gone out and called and called around trying to get quotes and big company’s were trying to schedule in person quotes which I know is a strong arm to get the work done then and there because they are already at your house ect. But with Behold I had a personal direct text from them asking about my situation and all I had to do was give some info send in pictures and voilà! They gave me their quote(2300$) which also beat all the company’s(3k$+) I had heard from! They had a tech out to me ASAP. It almost could’ve been same day but I was in no rush. Hunter came in and did it all him self of removal of old and installing new in just two hours! They are great to work worth and will definitely recommend and go to again."

London A on November 2025


Euro Plumbing

4.95(
19
)
Approved Pro

Euro Plumbing

4.95(
19
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
13 local quotes requested

Contact Euro Plumbing for your water heater, garbage disposal, faucet, sinks installations. We have the best price in town, licensed, insured, background checked and all work is done professional! As a full service Master Plumber, Dimitar Kostarev is a true professional with more than 10 years experience in the plumbing business. We react when you need us, get your request right and get it DONE right!!! Our goal is to provide personalized service to every house we walk in!

"Euro plumbing is terrific. They showed up as promised and installed a new water heater at the price that they had promised. William was a great installer, clean kind courteous and helpful. I recommend them highly"

Kenton K on December 2024

Contact Euro Plumbing for your water heater, garbage disposal, faucet, sinks installations. We have the best price in town, licensed, insured, background checked and all work is done professional! As a full service Master Plumber, Dimitar Kostarev is a true professional with more than 10 years experience in the plumbing business. We react when you need us, get your request right and get it DONE right!!! Our goal is to provide personalized service to every house we walk in!

"Euro plumbing is terrific. They showed up as promised and installed a new water heater at the price that they had promised. William was a great installer, clean kind courteous and helpful. I recommend them highly"

Kenton K on December 2024


Avatar for ENNIS PLUMBING LLC

ENNIS PLUMBING LLC

4.88(
203
)
Approved Pro

ENNIS PLUMBING LLC

4.88(
203
)
Approved Pro
Customers say: Super punctual
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
53 local quotes requested

Ennis Plumbing is open for your needs during the current health crisis.We wear masks and practice social distancing. ***Super Service Award Winner 2014-2020***Have a current masters and contracting license, also insured. Never a trip charge. Always available-nights and weekends. I will always give a honest and up front answer. Ennis Plumbing LLC is also a member of the BBB with A+ rating and is a accredited business

"On a Monday morning, we woke up to a flooded basement bathroom floor. We called a few highly recommended Angie's List contractors, and James and his son were able to squeeze us in on Tuesday morning between appointments. They called 30 minutes before they arrived to inform us they were on their way. Once they arrived, they worked diligently to identify where the leak originated. They carefully removed only one tile from our basement bathroom shower to repair a cracked pipe in the wall under our kitchen. Once repaired, it was determined there were two more cracked pipes in the wall. They spent the better part of an hour identifying the leaks and where in the wall the cracked pipes were located. Again, they carefully cut discreet holes in the wall to repair the pipes. They recommend we have our pipes snaked to clear out any blockage and referred us to gentleman that was able to come the same afternoon. The snake he brought was 25 feet, and we were now experiencing some slight leakage under the kitchen sink. James texted us that evening to see how it went. We told him, and he said he would stop by in the morning to check everything again. After several tests of the dishwasher, full sinks, etc., it was fixed. Whatever was caught in the pipe was gone. We decided to have our main line scoped just to be safe. James said we didn't need to and recommend we cancel our appointment, but referred us to a reputable company anyway. The scope was clear, but the gentleman recommended we have our clean out replaced. My husband decided to replace the cap instead and texted James to discuss his plan to do so. James and my husband have been texting for the past few days to ensure all is well with the pipes and the cap. James and his son are incredibly thorough and follow up on their work. I would highly recommend them to anyone looking to have pipe/plumbing repairs. Thanks!"

ABIGAIL W on July 2020

Ennis Plumbing is open for your needs during the current health crisis.We wear masks and practice social distancing. ***Super Service Award Winner 2014-2020***Have a current masters and contracting license, also insured. Never a trip charge. Always available-nights and weekends. I will always give a honest and up front answer. Ennis Plumbing LLC is also a member of the BBB with A+ rating and is a accredited business

"On a Monday morning, we woke up to a flooded basement bathroom floor. We called a few highly recommended Angie's List contractors, and James and his son were able to squeeze us in on Tuesday morning between appointments. They called 30 minutes before they arrived to inform us they were on their way. Once they arrived, they worked diligently to identify where the leak originated. They carefully removed only one tile from our basement bathroom shower to repair a cracked pipe in the wall under our kitchen. Once repaired, it was determined there were two more cracked pipes in the wall. They spent the better part of an hour identifying the leaks and where in the wall the cracked pipes were located. Again, they carefully cut discreet holes in the wall to repair the pipes. They recommend we have our pipes snaked to clear out any blockage and referred us to gentleman that was able to come the same afternoon. The snake he brought was 25 feet, and we were now experiencing some slight leakage under the kitchen sink. James texted us that evening to see how it went. We told him, and he said he would stop by in the morning to check everything again. After several tests of the dishwasher, full sinks, etc., it was fixed. Whatever was caught in the pipe was gone. We decided to have our main line scoped just to be safe. James said we didn't need to and recommend we cancel our appointment, but referred us to a reputable company anyway. The scope was clear, but the gentleman recommended we have our clean out replaced. My husband decided to replace the cap instead and texted James to discuss his plan to do so. James and my husband have been texting for the past few days to ensure all is well with the pipes and the cap. James and his son are incredibly thorough and follow up on their work. I would highly recommend them to anyone looking to have pipe/plumbing repairs. Thanks!"

ABIGAIL W on July 2020


Avatar for Reliant Plumbing LLC

Reliant Plumbing LLC

5.00(
16
)
Approved Pro

Reliant Plumbing LLC

5.00(
16
)
Approved Pro
43 local quotes requested
4 years of experience

We're home! After honing our craft for over 19 years, Reliant Plumbing has returned to its Denver roots. As a female-owned and family-operated company based in Arvada, we're swapping the corporate feel for a personal touch. We believe in honest communication and quality work that lasts. Backed by a Licensed & Insured Master Plumber, we’re serious about solving your plumbing problems, but we promise to do it with a friendly, neighborly approach. Let our family help yours!

"Kyle responded right away and was out quickly to review my project. He got me a quote and was able to perform the work asap. He is very professional and thorough. We love our new tankless water heater and my house is safer now with the sump pump installed. Reliable and affordable, I would highly recommend!"

John C on November 2025

We're home! After honing our craft for over 19 years, Reliant Plumbing has returned to its Denver roots. As a female-owned and family-operated company based in Arvada, we're swapping the corporate feel for a personal touch. We believe in honest communication and quality work that lasts. Backed by a Licensed & Insured Master Plumber, we’re serious about solving your plumbing problems, but we promise to do it with a friendly, neighborly approach. Let our family help yours!

"Kyle responded right away and was out quickly to review my project. He got me a quote and was able to perform the work asap. He is very professional and thorough. We love our new tankless water heater and my house is safer now with the sump pump installed. Reliable and affordable, I would highly recommend!"

John C on November 2025


Avatar for Certified Plumbing Inc

Certified Plumbing Inc

5.00(
1
)
Approved Pro

Certified Plumbing Inc

5.00(
1
)
Approved Pro
6 years of experience
Free onsite estimate

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"Great job by Certified Plumbing Inc.! My bathroom remodel went very well. They were timely and cost effective. Thanks the Ethan Tompkins for overseeing the job and working with his team to insure top notch quality. I would definitely recommend to a friend!"

Mark S on June 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"Great job by Certified Plumbing Inc.! My bathroom remodel went very well. They were timely and cost effective. Thanks the Ethan Tompkins for overseeing the job and working with his team to insure top notch quality. I would definitely recommend to a friend!"

Mark S on June 2025


Avatar for Comfair Heating and Cooling LLC

Comfair Heating and Cooling LLC

5.00(
15
)
Approved Pro

Comfair Heating and Cooling LLC

5.00(
15
)
Approved Pro
2 years of experience
Free onsite estimate

We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"I had a fantastic experience with Comfort Cooling and Heating! Habib and his team truly went above and beyond, explaining everything we needed with clarity. They were incredibly prompt in their responses and took action swiftly. I highly recommend this company; they offer a wide range of services and managed to meet my needs in 48 hours or less. I couldn't have asked for a better partner in this process—we absolutely love them! I would recommend them to anyone and everybody!"

B B on November 2025

We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"I had a fantastic experience with Comfort Cooling and Heating! Habib and his team truly went above and beyond, explaining everything we needed with clarity. They were incredibly prompt in their responses and took action swiftly. I highly recommend this company; they offer a wide range of services and managed to meet my needs in 48 hours or less. I couldn't have asked for a better partner in this process—we absolutely love them! I would recommend them to anyone and everybody!"

B B on November 2025


Avatar for AB Plumbing Services, LLC

AB Plumbing Services, LLC

4.83(
3
)
Approved Pro

AB Plumbing Services, LLC

4.83(
3
)
Approved Pro
Customers say: Quick response
2 years of experience
Free onsite estimate

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

"Abrahim is a true professional! He quickly understood my concern, provided a very reasonable estimate, and got to work right away. His professionalism stood out throughout the process?he ensured we were satisfied with the fix, cleaned up everything afterward, and made the whole experience hassle-free. Highly recommend his services!"

Ash L on February 2025

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

"Abrahim is a true professional! He quickly understood my concern, provided a very reasonable estimate, and got to work right away. His professionalism stood out throughout the process?he ensured we were satisfied with the fix, cleaned up everything afterward, and made the whole experience hassle-free. Highly recommend his services!"

Ash L on February 2025


Avatar for Aztlan Refrigeration

Aztlan Refrigeration

5.00(
4
)
Approved Pro

Aztlan Refrigeration

5.00(
4
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

"Hored Rigo last minute to relocate a walkin coomer. Done quickly"

Rich N on January 2024

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

"Hored Rigo last minute to relocate a walkin coomer. Done quickly"

Rich N on January 2024


Avatar for Mile High Plumbing & Air

Mile High Plumbing & Air

5.00(
2
)
Approved Pro

Mile High Plumbing & Air

5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
6 years of experience

We are your local go-to plumbers and HVAC guys! We can handle all of your plumbing and heating and cooling needs with one phone call! We will always give you a detailed diagnosis and clearly explain what repairs we will do. Experts by trade, competitive in the market and quality work is who we are! Call us today to schedule an appointment!

"Mile High Plumbing and Air has been game-changing for us. John and Osh have now done two jobs for us and we couldn't be more pleased. The first project was a complicated correction of poor hot water circulation to our entire home. They also replaced a leaking expansion tank and fixed a finicky shower handle as part of the first project. The second project was fixing a leak from a tankless water heater and at the same job fixing a plugged sink. They are efficient, prompt, courteous, and extraordinarily knowledgeable. We manage rental properties and, although their first work for us was for our personal properties, they are now our go-to plumbers for every property - personal and investment. Seriously grateful we found them. You will not find a better company."

Harley R on December 2023

We are your local go-to plumbers and HVAC guys! We can handle all of your plumbing and heating and cooling needs with one phone call! We will always give you a detailed diagnosis and clearly explain what repairs we will do. Experts by trade, competitive in the market and quality work is who we are! Call us today to schedule an appointment!

"Mile High Plumbing and Air has been game-changing for us. John and Osh have now done two jobs for us and we couldn't be more pleased. The first project was a complicated correction of poor hot water circulation to our entire home. They also replaced a leaking expansion tank and fixed a finicky shower handle as part of the first project. The second project was fixing a leak from a tankless water heater and at the same job fixing a plugged sink. They are efficient, prompt, courteous, and extraordinarily knowledgeable. We manage rental properties and, although their first work for us was for our personal properties, they are now our go-to plumbers for every property - personal and investment. Seriously grateful we found them. You will not find a better company."

Harley R on December 2023

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Repair Sewer Line questions, answered by experts

There are a few things that can happen to your sewer system if you don’t fix it. These include rainwater entering it and causing rust and corrosion, dirt and debris leading to blockages, small animals getting stuck inside and clogging your sewer line or entering your home, and shortening the sewer system’s life span. 

Without a cap, nothing prevents toxic and non-toxic gasses like methane and hydrogen sulfide from slowly escaping your sewer system and entering your home and the surrounding atmosphere, resulting in a foul sewer odor throughout your house.

The regulations around whether drain pipe installers need to hold licenses or certifications differ based on where you live and the type of drain pipe installed. Municipalities have varying rules and regulations about who can and can’t perform plumbing work. However, we recommend hiring a certified plumber to install or modify your drain lines. Licensed plumbers will perform a high-quality, professional installation, which translates to a lower risk of clogs and leaks in the future. Use Angi’s state licensing tool to confirm the license status of your potential plumber before hiring them to install your drain pipe.

When hiring a sewer line company, you need to consider more than just the quoted price. Make sure to check that the company or contractor is licensed, certified, and insured to protect you both. Check for positive reviews, and you can even request references for extra peace of mind. 

To find the best contractor, you might also want to consider how long the company has been in business doing sewer line cleaning and if they’ve won any industry awards for their work and service. Review potential contracts closely, and look for transparent pricing.

We highly recommend leaving the work of replacing drain pipes to a professional plumber. Drain pipes are a key part of your plumbing system, and making mistakes during the installation or even using the wrong size pipes for your specific fixture can lead to an elevated risk of leaks and clogs. Additionally, drain pipes prevent harmful sewer gas from entering your home, so hiring a professional plumber is essential to keeping the risk of leaks and clogs low and avoid reducing your indoor air quality.

Most people choose PVC, or polyvinyl chloride/plastic, for their sewer line material. PVS has many advantages over other types of pipes. Mainly, PVC can resist corrosion and chemical damage, is lightweight (making it easier to install), is budget-friendly, and has an impressive life span (typically around 100 years).

The Welby, CO homeowners’ guide to sewer line repair services

From average costs to expert advice, get all the answers you need to get your job done.

What do you need done? We’ll find top pros.
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  • 🛠 "Fix a leaking pipe under the sink"
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