4.4 
3.2k+ *The Angi rating for Drain Cleaning companies in Thornton, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Drain Cleaning needs.
*The HomeAdvisor rating for Drain Cleaning companies in Thornton, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Drain Cleaning needs.
Last update on September 24, 2026
Serving Thornton, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2017
Free estimates
Emergency services offered
"JJ was courteous and quick. He examined the toilet drain pipe from the bathroom to the main sewer, 70 feet, for any breakage or clogs. Good job!"
Serving Thornton, CO and surrounding areas
Approved
In business since 2001
Emergency services offered
Warranties offered
"Cyrus is an honest man with high integrity. I trusted in my home while I was at work. He is fair with his rates and his work is well done. He is reliable and takes pride in his work. I would highly recommend Drain Unlimited! If, I could rate him a 10 I would."
Serving Thornton, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Warranties offered
Small jobs welcome
"He bid the washer box install then was able to add the drain pipe increase. Very neat work. Added a clean out with the drain increase that was needed. Pleasant easy to work with, good communicator, good quality work done timely. Really appreciated the work"
+2
Serving Thornton, CO and surrounding areas
Approved
In business since 2014
Free estimates
Emergency services offered
"Kyle came out the same day and helped clear our drain. He spent a lot of time explaining what he was doing a why. He put up with my many plumbing questions and gave a 30 day guarantee. Would highly recommend HyperFlow"
+12
Serving Thornton, CO and surrounding areas
Approved
In business since 2024
Customers say: True professional
We pride our company on reliability, great communication,\nintegrity, and quality work. We are experts in our trade and will do our best\nto keep you as educated as we can on your particular task or project. We are licensed and insured. We look\nforward to earning your business!
Serving Thornton, CO and surrounding areas
Approved
In business since 2005
Free estimates
Emergency services offered
"Mike with Drain Right was absolutely amazing! I wish I would have found Mike and his company sooner, as I would have literally saved thousands of dollars over the years. I will only use Drain Right from now on for all my plumbing needs. No one else can beat their integrity, workmanship, and their prices! Look no further, this is the plumbing company for you!"
Serving Thornton, CO and surrounding areas
Approved
Super Service Award Winner
In business since 1995
Free estimates
Emergency services offered
"They were very timely, explained the problem clearly (washing machine drain cleanout), finished quickly, and cleaned up after himself. He also provided helpful advice to avoid having this problem reoccur. Very satisfied with the service!"
Serving Thornton, CO and surrounding areas
Approved
In business since 2023
Free estimates
Emergency services offered
"Cody was amazing and extremely helpful. Our drains were backing up and with a household of 6, it was urgent to get it fixed. Cody showed up within an hour of placing the call, super friendly and down to earth. Fixed our issue promptly, I am forever grateful for him and his help. 100% recommend and will definitely be using again."
Serving Thornton, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2019
Free estimates
Credit card accepted
"Peak Plumbing is a top notch company! They fixed a broken sewer line for us. They deserve five stars for every aspect of the job. Thanks to Jacob and the whole team!"
Serving Thornton, CO and surrounding areas
Approved
In business since 2003
Free estimates
Emergency services offered
"AJ was prompt, professional and extremely helpful. Got my washing machine drain working quickly!"
+7
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