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  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon100
    Verified drain cleaning services reviews

Top-Rated Drain cleaners in Union - Updated Nov 2026

Open and Flowing, LLC
5.0(
15
)
Drain Clog or Blockage - Clear

Serving Union, MO and surrounding areas

In business since 2021

Credit card accepted

Offers commercial services

"I had a toilet that was clogged and everything I did to unclog it was unsuccessful. I called â Open and Flowingâ to see if they could help. Their service was quick and attentive and I was back in â businessâ before I knew it. While they were there they also unclogged a sink that had been giving me trouble as well. This company goes extra mile! They will be my first call the next time I have any other drain issues. I highly recommend them!"
Response time30 mins
Recommended by100%of homeowners
Precision Camera Inspection & Drain Cleaning LLC
5.0(
5
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+1 more

Serving Union, MO and surrounding areas

In business since 2010

Free estimates

Credit card accepted

"The owner Matt was extremely helpful and knowledgeable about figuring out the problem with my sewer lateral. I would, for sure recommend them to anybody he is not overpriced and shows up on time."
Response time2 days
Recommended by100%of homeowners
Avatar for Tri-State Water, Power & Air
Tri-State Water, Power & Air
4.8(
37
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+1 more

Serving Union, MO and surrounding areas

In business since 1993

Free estimates

Small jobs welcome

"Larry and Paul were prompt and from the offset the work was good. Problem with the toilet leaking but it was resolved after 4 attempts no fault of there's just took fresh eyes - another technician - Kelly/Tyler with the same company. I would give the company more stars however, they did the old bate and swtich., The email from Tri-Sate listed a few items which the company did not address and after 3 months of asking for the invoice and apologies from Larry that the informaiton was miscommunicated in the email, I got the short end of the stick, paying for services that were not rendered with an invocie 3 months later conveying what was done. I spent 3 months of telephone calls and apologies from them wher another plumber came out and replace the bathtub sink drain that was suppose to be done by Tri-State and charged me $300. the shower drain was not done and I still have a cast iron vent pipe which takes a while for the smell to dissipate. I paid for all the tiems to get done based upon the quote I was provided and the emails and what i got was the short end of the stick with thd bate and switch tactics!!! They give you a blank screen to sign so, be careful that you check out everything on the email is done and don't go signing any blank screens!!!"
Gas Water Heater
Short Water Heater
Gas Water Heater
Electric Water Heater
Under Sink

+3

Response time7 hrs
Response rate97%
Recommended by97%of homeowners
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Drain Cleaning FAQs, answered by experts

To unclog a plumbing vent, you first need to locate it. Look at your home's roofline. The plumbing vent will be a vertical pipe sticking straight up from the roof. Since this pipe runs all the way to the main drain underneath your house, you should also be able to find it in the attic.

It’ll take 20 to 30 minutes to unclog a sewer line using a drain snake or drain cleaner. If you hire a professional, you should expect them to be on-site for three hours or less. In addition to clearing the clog, they’ll do other routine inspections, which adds to the overall time (and cost) required.

Most blockages can be cleared in 1-3 hours, but severe issues may take longer.

A professional drain cleaner is a plumber or specialized drain cleaner with the necessary tools to unclog drains and tiles to keep waste water flowing out to the septic tank or city sewer for processing. Keeping wastewater from backing up into your home helps keep you and your family safe from potential contamination and sickness. These pros can help resolve nearly any drain situation in a safe and efficient manner.

If your kitchen is flooding, first turn off the water supply and electricity before entering the room. Next, focus on immediate flood control by cleaning up any standing water with a sump pump or wet-dry vacuum to prevent long-term water damage to your home. Open your windows and run any dehumidifiers you have handy. Finally, call a professional plumber to help find the source of the flood and repair it.

The Union, MO homeowners’ guide to drain cleaning services

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