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Top-Rated Drain pipe installers in Longmont - Updated Nov 2026

Avatar for Flatirons Plumbing, Inc.
Flatirons Plumbing, Inc.
4.7(
265
)
Basement Drainage Channels - InstallSump Pump or Interior Foundation Drains - Install

Serving Longmont, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Emergency services offered

"I hired Flatirons Plumbing to install a hose bib in my garage. This required them to run a pipe from the adjacent bathroom sink, through the drywall, into the garage. Flatirons was the second quote I got for this job. The competing quote was about 50% less, but the other plumber wanted to rip out a large section of drywall to find a pipe. I would have been responsible for replacing all that drywall afterwards, at unknown expense. Flatirons was able to drill a hole in the wall, with no other drywall damage. I docked one star for professionalism, because they tracked mud on my floor and did not clean it up."
Our Flatirons Plumbing Team!
We promise to listen to our customers
The Flatirons Plumbing Team
Response time5 hrs
5 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Rooter Guy, LLC
Rooter Guy, LLC
4.6(
3,130
)
Sump Pump or Interior Foundation Drains - Install

Serving Longmont, CO and surrounding areas

Approved

Super Service Award Winner

In business since 1995

Free estimates

Emergency services offered

"Had them replace a drain pipe in my foundation. They were timely and efficient. Price was very good as I have been through this nightmare before. Really appreciated Keith and Nico! When Keith arrived, I instantly knew I had the right guy advising me on this. Nico did a great job doing the job. Thank you both."
sewer cleaning
1349 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for TYCO Plumbing Corporation
TYCO Plumbing Corporation
5.0(
60
)
Sump Pump or Interior Foundation Drains - Install

Serving Longmont, CO and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"Extremely accomadating. Carefully set up protected all surfaces leading to utility room. Installation fast, repaired pervious work that was done poorly. Courteous explained what he was going to do and how much it would cost. Finally went over operation of new unit. I would highly recommend company to anyone in need plumbing expert. Thank you for great job."
Tub/Shower valve upgrade
New 1/4 turn main with pressure reducing valve.
Upgraded disposal with drain modifications. (AFTER
Leaking disposal with improper drain. (BEFORE)
New fiberglass tub install

+2

Response time2 hrs
4 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Waterworx Plumbing
Waterworx Plumbing
4.8(
99
)
Sump Pump or Interior Foundation Drains - Install

Serving Longmont, CO and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

Waterworx Plumbing is a fully licensed and insured plumbing company with over 25 years of experience. We offer flat rate fees for small routine jobs but in most cases we charge a $92 trip charge and a $92 one hour minimum. An estimate is always free and provided up-front. Our technicians not paid on commission and are always on time!. We provide excellent service to all of our customers whether you're a first-time or a lifelong customer! We value your time as well as ours and strive to complete each job in that fastest time possible while maintaining the highest quality work!

2 neighbors recently requested a quote
Recommended by83%of homeowners
Dr. Drain
5.0(
10
)
Basement Drainage Channels - InstallSump Pump or Interior Foundation Drains - Install

Serving Longmont, CO and surrounding areas

Approved

In business since 2014

Free estimates

Credit card accepted

"Great drain clearing service by Jordan without all the bait and switch add-ons provided by the lower cost services. His charge included camera work before and after, with the best guarantee: no payment if he can't clear the line. He uses more powerful equipment than the cheaper services. Don't fall for the $95 service offered by others -- I tried them and they are a scam. They come out, use their lower power equipment unsuccessfully, and then try to get you to upgrade for major repairs. This guy is honest from the start and gets your line cleared in one visit."
Best Dog Ever
Pre Lined CIPP Pipe
Busy Day, Boulder CO
Wining
NuFlow Liner

+1

Response time2 hrs
Response rate100%
1 neighbors recently requested a quote
Avatar for Afford-A-Rooter
Afford-A-Rooter
4.4(
138
)
Sump Pump or Interior Foundation Drains - Install

Serving Longmont, CO and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"Jason Dodge did a great job. Not only did he snake the drain in no time at all but he noticed the hot and cold water were reversed on my sink faucet and in 3 minutes he corrected it no charge! He couldn't have been nicer. I was only charged $100. for the whole thing. they have definitely become my go-to plumber!"
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+7

Response time5 days
Response rate100%
2 neighbors recently requested a quote
Avatar for Blue Thunder Plumbing Sewer and Drain, LLC
Blue Thunder Plumbing Sewer and Drain, LLC
4.8(
14
)
Basement Drainage Channels - InstallSump Pump or Interior Foundation Drains - Install

Serving Longmont, CO and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"Eagle did a great job at a reasonable price. I got several quotes that were way out of the ballpark (I knew this from my time remodeling homes) but Blue Thunder was right in a decent price range. Everything was done with the new kitchen sink install to a great level of quality. It looks much better than it did before and I will definitely use them on my next project."
Response time2 hrs
4 neighbors recently requested a quote
Recommended by100%of homeowners
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Drain Pipe Installation FAQs, answered by experts

You should hire a sewer service professional to unclog a main sewer line with tree roots. Tree roots can grow into the main sewer line, and this problem requires a specialized hydro jet, or rooter, that is powerful enough to clear the roots. The tree can also damage the main sewer line, and a professional will need to make repairs or replace the damaged sections. Sewer line replacement costs about $60 to $250 per linear foot.

As a general rule of thumb, it’s best to clean your linear drain every two to three months to prevent debris buildup. However, if you notice it draining slowly or an odor from your drainpipes, it’s best to clear the clogged drain and maintain it more often. If you let a clog go for too long, you may have to invest in the price of professional shower drain cleaning, which costs about $225.

Pouring drain cleaner down a vent pipe isn’t recommended. First of all, unlike a clog in a sink or bath caused by such material as soap scum build-up, toothpaste, and hair, clogs in a vent pipe are likely the result of debris from trees or even an animal stuck in the pipe. Drain cleaners won’t be able to eat through this kind of material. The cleaner will only become clogged in the vent with the debris, causing even more problems.

Knowing the signs can alert you to a clogged drain line. Clogs cause slow drainage or cause no drainage (if there’s a complete blockage). You may also notice foul odors, gurgling noises, water backing up in other appliances on the same line, or a poorly flushing toilet. If you experience any of these issues and think your line might be clogged, call a plumber.

It can take anywhere from half an hour to a few hours to fix a main line clog, depending on the cause and severity of it. The job should not take more than a day to complete. Keep in mind that the main line is not the same as your home’s sewer lines (which connect to the main line and run to your house). Your city is responsible for any clogs or damage to the main line itself.

The Longmont, CO homeowners’ guide to drain pipe installations

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