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Best french drain pros near Longview, WA

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

Avatar for Summerson Plumbing
Summerson Plumbing
4.8(
40
)
Drain Line Breakage - Camera LocateDrain Line Breakage - Camera Locate - For BusinessSump Pump or Interior Foundation Drains - Install

Serving Longview, WA and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"EXCELLENT! It was a somewhat emergency call because my walls were being damaged by the water, and Matt replied right away to my call trying to fit me in. He text back and said one of his guys, Ryan, was available and on his way! Ryan was great! Courteous, professional, punctual (and bonus - he unclogged the bathtub drain!). Thank you for saving the day!"
1 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Clear Flow Drains & Rooter, LLC
Clear Flow Drains & Rooter, LLC
5.0(
5
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+1 more

Serving Longview, WA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

Clear Flow Drains & Rooter LLC is your trusted local expert for professional drain cleaning and sewer services throughout the Portland–Vancouver metro area. We are locally owned, licensed, bonded, and insured, providing reliable service at honest, affordable prices.\n\nOur services include:\n\nResidential drain cleaning starting at $199\n\nMain sewer line cleaning\n\nHydro-jetting\n\nSewer camera inspections\n\nKitchen, bathroom, and laundry drains\n\nCommercial drain cleaning\n\n24/7 emergency drain services\n\nWe take pride in quality workmanship, upfront pricing, and exceptional customer service. No unnecessary upselling, no hidden surprises—just dependable solutions to get your drains flowing again!\n\nClogs Don't Stand a Chance!\n\nCall (360) 360-8462 today for fast, professional service!

1 neighbors recently requested a quote
Avatar for Granite Plumbing Services LLC
Granite Plumbing Services LLC
5.0(
7
)
Sump Pump or Interior Foundation Drains - Install

Serving Longview, WA and surrounding areas

Approved

Free estimates

"Lane and his helper (sorry I can’t remember name) from Granite Plumbing removed a heating oil tank from basement that was over 1/4 full , drained tank and removed. Very professional, quick and careful. There clean up was immaculate. I appreciate that he was able to adapt to my schedule and come so quickly. I will be contacting Lane for future jobs. I would recommend Granite Plumbing. Thank you Lane"
29 neighbors recently requested a quote
Avatar for Groundworks
Groundworks
4.6(
915
)
Basement Drainage Channels - InstallSump Pump or Interior Foundation Drains - Install

Serving Longview, WA and surrounding areas

Approved (Corporate)

In business since 2021

Free estimates

Warranties offered

Groundworks is the North America's leading and fastest-growing foundation repair and water management solutions provider. Groundworks is a vertically integrated company with its own manufacturing operations and a world-class software solution, allowing us to serve our customers more effectively. From the first phone call to the annual maintenance offered, our customers have peace of mind knowing we're there with one mission to repair, protect and improve their home. For state licenses visit Groundworks.com/licensing

Basement
Basement
Basement
Concrete
Concrete

+20

8 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for John's Waterproofing Co.
John's Waterproofing Co.
4.2(
72
)
Foundation Drainage - Install or ReplaceSump Pump or Interior Foundation Drains - InstallBasement Drainage Channels - Install

Serving Longview, WA and surrounding areas

Approved (Corporate)

In business since 1974

Free estimates

Warranties offered

"Fast work, very well priced, and got the job done. I had a flow problem following the work (sediment in the lines) which the promptly returned the following day to repair, at no additional cost to me. I’ll use them for my next project."
New Home Encapsulation
SilverGlo Insulation
CleanSpace
SaniDry Dehumidifier
Puddling in Basement

+7

Response time11 hrs
Response rate94%
29 neighbors recently requested a quote
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French Drains FAQs, answered by experts

The cost to clean a sewer line is about $370, ranging from about $190 to $550 on average. The specific cleaning method and the problem's severity will impact the project's overall cost. Some of the most common sewer line cleaning methods include:

  • Snaking or rodding: $100–$250

  • Hydrojetting: $350–$600

  • Chemical treatments: $600–$1,000

  • Repair or replacement: $1,000–$7,500

There are several common signs that your main sewer line may be clogged. Key indicators include multiple fixtures in your home draining slowly, gurgling sounds coming from drains or toilets, and water backing up into showers, sinks, or toilets. You might also notice water backing up from the plumbing system's drain cleanout, water in your basement drain, or unexplained wet patches on your lawn. Foul odors, such as the smell of raw sewage or rotten eggs, are another common symptom. The most reliable way to confirm a main sewer line clog is to hire a professional plumber to perform a camera inspection.

Vinegar is better for an AC drain line because it’s less corrosive and won’t damage the pipes. It’s also a safer and easier product to use. Bleach should not be used on your AC drain line because it can corrode your pipes and harm the evaporator coil in your air conditioner.

For disposal clogs with standing water, use a sink plunger and place it over the garbage disposal drain. Push the sink plunger up and down the drain about six to eight times before lifting. If the sink drains, the clogged food particles are dislodged from the drain. If there’s still standing water, repeat the steps until the standing water clears out. 

A small amount of diluted bleach is okay to pour down a garbage disposal. As part of your weekly garbage disposal maintenance, use 1 teaspoon of bleach with your concoction of ice cubes and lemon peels. Turn on the disposal and run the water until the blades chop up the ice cubes.

Any more bleach in your disposal can harden oils and greases in your drain, which can cause problems. Always wear gloves when working with bleach, and know that you really don’t need bleach at all—vinegar, baking soda, salt, and ice should do the trick.

The Longview, WA homeowners’ guide to french drain services

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