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
"All American Drain Cleaning, LLC hired"
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
"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!"
+7
From average costs to expert advice, get all the answers you need to get your job done.
Is your shower or sink drain blocked? Get tips for how to unclog a drain, and learn about drain cleaning costs in Denver, CO.
How much does hydro jetting cost in Denver, CO? Learn hydro jet drain cleaning prices based on factors like the extent of the clog, accessibility, and more.
When your shower or sink starts draining slowly or not at all, it’s time to act. Get tips for how to unclog a drain, and learn about drain cleaning service pricing.
Are your sinks draining slowly or making gurgling noises? Learn what drain cleaning is, the warning signs of severe clogs, and how to hire a local plumber.
Use our step-by-step guide to learn how to clean a sink drain (kitchen or bathroom) without resorting to chemical drain cleaners.
Learn how to hire a drain cleaning pro—and why you shouldn’t just use the drain cleaning solution you can find at the store.
