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

Avatar for Walker Plumbing, Heating Air
Walker Plumbing, Heating Air
5.0(
5
)
Drain Line Breakage - Camera LocateDrain Clog or Blockage - Clear

Serving Washington, UT and surrounding areas

Approved (Corporate)

In business since 2002

Credit card accepted

Founded in 2002 by Master Plumber Brett Walker, Walker Plumbing, Heating & Air is a family-owned and operated company that has been proudly serving St. George and Southern Utah for over 20 years. Brett and his fully licensed team of master plumbers and HVAC technicians are dedicated to delivering top quality workmanship and a great customer experience, with a full fleet of trucks and technicians available 24/7 for any plumbing or indoor comfort issue. From the moment you call, you can expect clear communication, prompt arrival, fast turnarounds, and personalized solutions tailored to your needs and budget. Every technician is licensed, insured, and background checked, and our no-upselling policy means you'll always receive honest, transparent service without pressure. Walker Plumbing, Heating & Air is the go-to home services company for your friends and neighbors in Southern Utah, and we'd love to show you why. \n

34 neighbors recently requested a quote
Avatar for Inferno Construction, LLC
Inferno Construction, LLC
4.4(
15
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For Business

Serving Washington, UT and surrounding areas

Approved

In business since 2003

Free estimates

Warranties offered

"I cannot say enough about how happy I am with my bathroom. James went above and beyond to insure that I was happy with every step of the remodel. Quality product, quality workmanship, and courteous, pleasant crew. I highly recommend Inferno Construction ."
Contemporary Shower
Sleek & Modern Shower
Sleek & Modern Shower Continued
Tiled Tub Surround
Bathroom Remodels

+5

Response time3 days
Response rate87%
3 neighbors recently requested a quote
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French Drains FAQs, answered by experts

You can try several easy methods to unclog a drain, one of the easiest and most effective of which is to use a mixture of baking soda and vinegar. This will help dislodge and dissolve the clog to move it down the drain pipes. Pour 1/2 cup baking soda into the drain, followed by 1/2 cup of white vinegar. Dump several cups of boiling water (or hot water if you have PVC pipes) into the drain and let sit for up to one hour. Run hot water to clear the drain.

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 clogged air gap can cause a dishwasher not to drain. There are, however, other potential issues that can lead to improper drainage. For example, if you have attached the air gap to a garbage disposal and forgotten to remove the knockout plug, wastewater may backflow into the dishwasher. Check that the air gap is installed properly, and then look for clogs in the air gap and dishwasher filters. 

To clean gunk out of a sink drain, pour in a half cup of baking soda, then 1 cup of white vinegar. The two will react chemically; let them fizz for 15 minutes, then rinse with boiling water. Repeat these steps if necessary for particularly dirty sink drains, and consider a drain snake if there are clogs.

Yes, you can use vinegar to unclog a dishwasher. To do so, combine 4 tablespoons of white vinegar with 4 tablespoons of baking soda and pour the mixture down your dishwasher’s drain. Let it sit for 15 minutes, then pour a cup of hot water down the drain to flush everything out. Finally, run a rinse cycle on your dishwasher to see if the clog is gone.

The Washington, UT homeowners’ guide to french drain services

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