4.6 
1.8k+ *The Angi rating for Drain Cleaning companies in O Fallon, MO 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 O Fallon, MO 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 January 20, 2026
Serving O Fallon, MO and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
"Sludgebusters was great! They were super friendly and fixed our clogged drain with ease. Highly recommend!!"
Serving O Fallon, MO and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
"Very professional. Cleaned up everything no mess left behind. I thought my new sink that I had installed was clogged not draining right but ended up just being the stopper. He also put a plate around the pipe to make it look better."
Serving O Fallon, MO and surrounding areas
Approved
In business since 2006
Emergency services offered
Warranties offered
"I can t say enough great things about Hosack Plumbing and Excavation. They just completed replacing the main water line from our home to the street. Their work is excellent, they completely explain what they are doing and make you feel very comfortable and when the work is completed everything is neat and clean and back to its original state. Their pricing was very fair and they were professional and friendly."
+3
Serving O Fallon, MO and surrounding areas
Approved (Corporate)
In business since 1935
Free estimates
Emergency services offered
When you need an emergency plumber in St. Louis, or a drain cleaner, call Roto-Rooter Plumbing & Water Cleanup. Your fast & reliable plumber can fix any plumbing problem, including sump pumps, toilet repair, faucet repair, faucet replacement, garbage disposals, water heaters, bathtubs, showers, and outside faucets. Roto-Rooter is best known for drain cleaning & sewer cleaning. We fix drain clogs, clogged toilets or sinks, blockage of main sewer lines, slow draining shower and bathtub drains, sewer lines and leaking or burst pipes. We also specialize in water damage restoration & water cleanup services. We can fix and clean up your flooded basement too. Roto-Rooter is a 24-hour plumber near you and provides emergency service.
+1
Serving O Fallon, MO and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
"Kniwledgable, efficient, cleaned up after job was complete"
+7
Serving O Fallon, MO and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Emergency services offered
Warranties offered
"the technician from zoom drain was great. He led me through the entire process, including clearing the clog, showing me with a camera the roots that caused the blockage in my sewer main, water jetting the line to remove the roots, and showing me the cleaned out line after he was done. 10/10 service."
+9
Serving O Fallon, MO and surrounding areas
Approved
In business since 2019
Free estimates
Emergency services offered
"Fantastic job. Quick and efficient!"
Serving O Fallon, MO and surrounding areas
Approved
In business since 2009
Warranties offered
Credit card accepted
"I want to thank Hosack Plumbing, and Kent, for getting my situation cleaned up quickly and professionally. My water heater install is perfect, my water pressure spot on thanks to the new PRV, and is ready for inspection. Kent was thorough, professional, and very clean. He noticed my mask when I answered the door and wore a kn95 mask the whole time. The life coaching advice was an added bonus. Kent's work was great and I'm very pleased with the service provided."
+2
Serving O Fallon, MO and surrounding areas
Approved
Super Service Award Winner
In business since 2001
Free estimates
Emergency services offered
"Alpha Sewer Drain & Plumbing saved the day for my
family. We had a sewer line bust Labor Day weekend. We called Alpha Sewer Drain
& Plumbing and they came out first thing the next morning, gave a bid and
had dig-rite out there the same day. My family and I could not be more pleased
with such exceptional service. Thanks Alpha Sewer Drain & Plumbing!
"
Serving O Fallon, MO and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Credit card accepted
"Very prompt and professional. Exceeded my expectations. Would definitely recommend and hire again for any plumbing work."
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 St. Louis, MO.
How much does hydro jetting cost in St Louis, MO? 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.
Dealing with slow-draining sinks or a full toilet clog? Use this DIY guide on how to clear clogged drains to get your drain working again in no time at all.
If you’ve got a slow-draining bathtub, it could be due to hair buildup. This complete guide will show you how to remove hair from the drain.
Don't fall victim to unnecessary plumbing service. Learn five ways to avoid becoming the victim of a fraudulent contractor's sewer or drain-cleaning scam.
