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TRUSTED BY JOHNSTOWN, CO HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon2.8k+
    Verified french drain services reviews

Top-Rated French drain pros in Johnstown - Updated Nov 2026

No Limits Plumbing & Drains LLC
5.0(
112
)
Drain Clog or Blockage - ClearBasement Drainage Channels - InstallDrain Clog or Blockage - Clear - For Business+2 more

Serving Johnstown, CO and surrounding areas

Approved

In business since 2024

Customers say: True professional

"Joe and Marco did an amazing job! Great pricing, excellent communication, and outstanding customer service. They were professional, efficient, and did quality plumbing work. Highly recommend them!"
16 neighbors recently requested a quote
Recommended by55%of homeowners
Avatar for Front Range Water Heater and Excavation
Front Range Water Heater and Excavation
4.9(
87
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+1 more

Serving Johnstown, CO and surrounding areas

Approved

In business since 2018

Emergency services offered

Warranties offered

"Drain was initially cleared using a drain augur, but inspection via camera revealed that additional cleaning was needed. A followup visit happened about a week later to perform a hydro-jet flush and the video inspected now showed a very clean drain pipe. The technician was very professional and explained the steps he was following and what he observed. I would recommend this company for this kind of drain service."
Response time10 hrs
Response rate100%
7 neighbors recently requested a quote
Avatar for Peak Plumbing & Drain Repair, LLC
Peak Plumbing & Drain Repair, LLC
4.8(
62
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+1 more

Serving Johnstown, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Credit card accepted

"Tim, Jacob, and Michael were awesome. Very nice and professional. They completed the work quickly and it looked great. Their quote was much less then the other two quotes I received. I will definitely be using Peak Plumbing again. Highly recommend them."
Before
Sewer Repair
Response time6 hrs
79 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Benjamin Franklin Plumbing - Denver
Benjamin Franklin Plumbing - Denver
4.4(
260
)
Drain Clog or Blockage - ClearDrain Line Breakage - Camera Locate

Serving Johnstown, CO and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"Very professional. Alex and his assistant installed a new water after explaining the features of the different models that fit what I was looking for. They were able to "think outside of the box" to solve a problem, explaining to me each step. They included principles of chemistry in drain water and contact with specific water shield materials in their decision-making. They were friendly, personal, and considerate. And clean! Highly recommend."
48 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for OnGrade Plumbing & Excavating LLC.
OnGrade Plumbing & Excavating LLC.
5.0(
13
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+1 more

Serving Johnstown, CO and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Ongrade plumbing and excavating was a god send. Unbelievable how clean and professional they were from start to finish on my sewer line replacement. They did their best to protect my grass with plywood and did a very good job cleaning up given the huge pile of dirt! Thier pricing was amazing compared to some of the other estimates I received from other company's. Highly recommend to anyone for any of thier home or business plumbing issues"
Underground Gas Line
Underground Gas Line
Underground Gas Line
Leaking Pipes
Tankless Water Heater

+1

Response time10 hrs
Response rate91%
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 - InstallDrain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For Business+1 more

Serving Johnstown, CO and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

We're dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction. \n

Response time2 hrs
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for 1st Action Plumbing Heating and Air, Inc.
1st Action Plumbing Heating and Air, Inc.
4.6(
153
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+1 more

Serving Johnstown, CO and surrounding areas

Approved

In business since 2017

Free estimates

Small jobs welcome

"Removed hot water heater, added tankless heater. unclogged slow drains. Very professional, 3 guys showed up and made quick work of the projects. Walked us through what they were doing, in a professional, easy to understand manner. Gave us final directions on how to use the new tankless heater. Also, informed us on what to look for if our 70 year old pipes start having issues. They did not push us to spend a ton of money to re-pipe the house now. We will be contacting them for any future projects. Great job, Rob, Curtis, and Brandon!!"
Navien Tankless
Lennox EL296V
Response time5 hrs
6 neighbors recently requested a quote
Recommended by90%of homeowners
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French Drains FAQs, answered by experts

There are several signs that can indicate your leach lines are broken, failing, or in need of repair, including puddles of water or a marshy consistency to the ground above or around the pipes, slow drainage or plumbing backups inside your home, and noticeable odors or gurgling sounds coming from your leach field. Keeping your septic system properly maintained, including having your septic tank pumped at regular intervals, can help ensure your leach lines stay in good working order for a long time.

It is safe to flush small amounts of bleach down the toilet. Don’t flush more than ¼ cup of bleach. Instead, consider diluting it and pouring it down the sink drain.

A bit of water in the bowl can help unclog a toilet, especially if you're using a plunger. However, if the bowl is full to the brim, you'll need to strap on gloves and remove some of the wastewater in a cup or container so it doesn't overflow when you try to unblock the pipe. If you're concerned about it filling further, manually close the flapper in the toilet tank or turn off the water supply to the toilet.

If you try a drain snake and various DIY methods for unclogging drains to no avail, bring in a professional plumber to assess the situation. Also, if multiple drains in your home are backing up or you smell sewage, a visit from a plumber is best. You can expect your drain cleaning costs to fall around $250, and this can include an assessment of what’s caught in your plumbing and if there’s a larger, underlying problem. You should also consider calling a pro if you need to snake a toilet, as DIYing this could lead to a cracked fixture.

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.

The Johnstown, CO homeowners’ guide to french drain services

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