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TRUSTED BY SULTAN, WA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon1.2k+
    Verified french drain services reviews

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

Avatar for P4 Construction, LLC
P4 Construction, LLC
5.0(
13
)
Foundation Drainage - Install or Replace

Serving Sultan, WA and surrounding areas

Approved

In business since 2013

Free estimates

Warranties offered

"We hired them to install a 40 foot french drain. Eric was very knowledgeable and professional, not to mention a very nice person and good listener. He was punctual and he and his crew were extemely hard workers. The job functions as promised, looks great and they were very conscientious about how they left the work area neat and clean. I wish I could hire them for other projects."
Response time5 hrs
Response rate94%
Recommended by18%of homeowners
Avatar for Schmitty's Plumbing
Schmitty's Plumbing
4.8(
50
)
Drain Line Breakage - Camera LocateDrain Line Breakage - Camera Locate - For BusinessSump Pump or Interior Foundation Drains - Install

Serving Sultan, WA and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"I'm very happy with the service received from Schmitty's plumbing. When I called them about a leaky shower faucet, they were quick to respond and even quicker to solve the problem. They also offered to look at any other issues, and quickly fixed a garbage disposal issue as well. The price of the service visit was exactly as quoted over the phone, and was reasonable."
Response time2 days
Response rate100%
Recommended by93%of homeowners
Avatar for Wu Construction
Wu Construction
4.6(
238
)
Foundation Drainage - Install or ReplaceBasement Drainage Channels - Install

Serving Sultan, WA and surrounding areas

Approved

In business since 1983

Free estimates

Emergency services offered

"Arrived on time and had me bring him up to speed on the history of the house and what the problem was.  We had another estimate from someone else that was about $30,000 to fix the problem.  However, Wu said that the proposed solution was amazing overkill and suggested we just get the drainage system scoped out and then go from there.  At most they recommended a french drain pump thing in the basement.  We scoped the drainage system (using someone else) and they found a blocked pipe which they unblocked and said we likely didn't need to do anything else.  So Wu had the opportunity to sell us a bill of goods that was just a bit under the 30k and they didn't.  They said we probably didn't need to do much of anything as the problem hadn't recurred despite some record rainfall over the winter.  Very pleased with their honesty and integrity.  We didn't end up having to spend anything other than the cost of scoping out the drainage system.
"
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+11

Response time10 mins
Response rate100%
25 neighbors recently requested a quote
Avatar for Insulation Co., LLC - Removal & Clean Outs
Insulation Co., LLC - Removal & Clean Outs
4.9(
226
)
Sump Pump or Interior Foundation Drains - Install

Serving Sultan, WA and surrounding areas

Approved

In business since 2009

Free estimates

Warranties offered

"Water had always been a problem for my crawlspace, especially during raining and snowing season. Asking around, installing a French drain and a sump pump appeared to be the solution. I searched around and picked Insulation Co. Estimation without inspection seemed weird at first, but it made totally sense since the foundation layout is all there in the files. Jo had always been responsive, detailed and nice whenever I had questions. Scheduling was easy and Rafael and the team did a great and efficient job onsite. 2 months after the installation, we noticed that there was still standing water and they came back to install more pipes and gravels. We really appreciate the effort."
1
2
3
1
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+46

Response time5 hrs
Recommended by49%of homeowners
Avatar for SeaTown Electric Heating and Air
SeaTown Electric Heating and Air
4.7(
1,638
)
Drain Clog or Blockage - ClearBasement Drainage Channels - InstallDrain Line Breakage - Camera Locate

Serving Sultan, WA and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"Excellent experience with Jacob and Blaine from Seatown. They piped a gas line over to the tankless water heater and installed the heater. They removed the old heater and cleaned up the area. The quality of the work was very high. Both Jacob and Blaine were very personable and polite. We have already booked Seatown to upgrade our electrical panel and replace our old knob and tube wiring and sockets. Highly recommend Seatown."
Seattle's Rewire Specialists
Generator
Tesla Chargers
Knob and Tube Removal
Ductless Install

+26

Response time1 day
12 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for UNIVERSAL LANDSCAPE CORP
UNIVERSAL LANDSCAPE CORP
4.8(
57
)
Yard Drainage

Serving Sultan, WA and surrounding areas

Approved

In business since 2005

Free estimates

Credit card accepted

"They were able to the job much sooner than the time arranged. Over a month sooner! Price was very good. The installed thick stone stairs on incline. They look beautiful. The only thing I would do differently is to have a sketch drawn up of the planned work to be done. We had them relay a slate Garden Path and add a seating area.. they did a really great job laying it, it just ended up to be different than what I had wanted.... but was laid well. We also have them put in a 35 ft French drain in an area that had poor drainage and I have tested it and is working very well. They also moved part of our irrigation system and made sure it was running properly. I would definitely use them again and I plan on using them again. Hard-working and good workmanship."
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+8

Response time1 day
Response rate100%
8 neighbors recently requested a quote
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French Drains FAQs, answered by experts

A good option for opening up and cleaning a sink drain is to use a ¼ cup of baking soda and 1 cup of white vinegar, along with a rubber stopper to cover the drain while those materials work their magic. After about 15 minutes, you can flush the drain with hot water. In many cases, these materials can scrub out minor clogs and get the drain working properly again. If the issue persists, call in a plumber near you to get the problem permanently fixed.

The cost to repair a main sewer line clog is about $3,110 on average. The average cost range is  $1,310 to $4,950, but it can go as low as $215 and as high as $9,300 or more. The cost factors for this repair include the severity of the clog, pipe accessibility, video inspection, removal method, permits, pipe material, labor rates in your area, and time of year. Repairs made from outside during the winter can be more difficult due to the frozen ground or during the spring if the ground is saturated from a lot of rain and snow melt.

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.

No, you should avoid using liquid drain cleaners. These chemicals, often packed with sulfuric or hydrochloric acid, can wreak havoc on your pipes, causing erosion and potential leaks. They’re also dangerous to your health. If you’re dealing with a stubborn clog, manual removal or a professional plumber is your best bet. Chemical drain cleaners can often make things worse, especially if the clog stays put and the chemicals linger in your pipes.

Most commercial liquid drain cleaners work in 15 to 30 minutes. Consult the label on the bottle for additional instructions or time suggestions to prevent damage to your drainpipes. Alternative solutions such as baking soda, salt, white vinegar, and/or boiling water can take longer since they are less harsh than liquid drain cleaners.

The Sultan, WA homeowners’ guide to french drain services

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