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TRUSTED BY SEATTLE, WA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon156
    Verified drain pipe installations reviews

Top-Rated Drain pipe installers in Seattle - Updated Nov 2026

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

Serving Seattle, 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 Rescue Rooter Seattle
Rescue Rooter Seattle
4.5(
133
)
Sump Pump or Interior Foundation Drains - Install

Serving Seattle, WA and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1976

Free estimates

Emergency services offered

"I needed only scope and locate my 4" sewer pipe from an exterior cleanout to the house. Rescue Rooter gave me a discount for the work. John the plumber came out. He has 26 years of experience and was very knowledgeable and skilled at using the camera. I've been doing remodeling for 30 years including plumbing installation (drain pipes, copper water pipe repair and installation). In addition to using the electronic locator, he also went old school in using witching sticks to confirm the location of the pipes."
Clogged Drain
15 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Schmitty's Plumbing
Schmitty's Plumbing
4.8(
50
)
Sump Pump or Interior Foundation Drains - Install

Serving Seattle, WA and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"Beau and Ryan answered all of my questions and were very friendly. They showed up within the given time frame and removed the old tank and installed the new tank quickly and efficiently. The cost did go up due to replacing the water inlet and outlet lines and the gas inlet line. New tank, might as well have new lines. 1st Response should mention in their coupon that water/gas lines will add to the cost since Beau explained that the water lines almost always have to be replaced and the new gas line is required to maintain their lifetime warranty. Code required the installation of a condensation trap which at $125 I thought was a little over priced. Overall a good experience and I would probably use them again."
Response time2 days
Response rate100%
Recommended by93%of homeowners
Avatar for Knockout Plumbing & Mechanical, LLC
Knockout Plumbing & Mechanical, LLC
5.0(
14
)
Sump Pump or Interior Foundation Drains - Install

Serving Seattle, WA and surrounding areas

Approved

In business since 2019

Emergency services offered

Warranties offered

Knockout Plumbing & Mechanical LLC is a local Seattle based company. Knockout strives to leave their clients with peace of mind when each job is said and done. From hydro jetting and sewer repair to remodels/new construction we knock it out. We look forward to hearing from you, so please never hesitate to reach out.

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+53

Recommended by100%of homeowners
Avatar for All Pro Plumbing Northwest, LLC
All Pro Plumbing Northwest, LLC
4.5(
576
)
Sump Pump or Interior Foundation Drains - Install

Serving Seattle, WA and surrounding areas

Approved

Super Service Award Winner

In business since 1994

Emergency services offered

Warranties offered

"Veteran-owned business. Honest, reputable and on time for the appointment. Ross and David spent all afternoon clearing out two clogged drain spouts and replaced/repaired a badly cracked PVC pipe after hydro jetting them. They inserted a snake with a camera and showed me the problem. They also provided a veteranâ  s discount! Thank You. Brad Pesek"
Our Team
142 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Pipers Drain Repair LLC
Pipers Drain Repair LLC
4.8(
17
)
Sump Pump or Interior Foundation Drains - Install

Serving Seattle, WA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

Pipers Drain Repair is a trusted provider of professional plumbing company services dedicated to keeping residential and commercial plumbing systems flowing efficiently. With a commitment to quality workmanship, fast response times, and exceptional customer service, Pipers Drain Repair specializes in diagnosing and resolving a wide range of plumbing issues, from leaking water line repairs to full house repipes. Using advanced equipment and proven techniques, the company delivers reliable, long-lasting solutions that help prevent costly future problems. Pipers Drain Repair takes pride in offering honest assessments, transparent pricing, and customized services tailored to each customer’s needs. Whether handling routine maintenance, drain inspections, hydro jetting, or complex repairs, the team is focused on delivering dependable results with minimal disruption. Known for professionalism, integrity, and attention to detail,

Liner Install
Liner Install
sewer camera inspection
Sink Drain Repair
Sink Drain Repair

+40

Avatar for Wu Construction
Wu Construction
4.6(
238
)
Foundation Drainage - Install or ReplaceBasement Drainage Channels - Install

Serving Seattle, WA and surrounding areas

Approved

In business since 1983

Free estimates

Emergency services offered

"French drain installation along a retaining wall (75 yards). Thomas who handled the sales end of things was friendly and responsive. The crew showed up on time. They were hard working and receptive of customer feedback. They first removed the ivy that was obstructing the work area and then completed the trench on day 1 which uncovered some of the unwelcome water sources. A legacy footing drain was plumbed directly into the main french drain pipe. Perpherated pipe was dropped in on Day 2 followed by river rock, catch basins, and 3 ft dry well installation. Cleanup was done thoroughly. I would hire them again in a heartbeat."
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+11

Response time10 mins
Response rate100%
24 neighbors recently requested a quote
Avatar for Harts Plumbers, Electricians, & HVAC Technicians
Harts Plumbers, Electricians, & HVAC Technicians
4.6(
1,466
)
Basement Drainage Channels - Install

Serving Seattle, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2013

Emergency services offered

Warranties offered

"Ron was very courteous and professional. He was very thorough and after unclogging my drain came back with three estimates for fixes. He tried to put a camera down my cleanout but couldn't get it open after trying for a while - he was trying to give me an estimate on how much longer I had left in my old cast iron pipes."
Prep Area
Waterfall Finished!
Excavation jobs and more!
 install grease trap for commercial kitchen
Delivery of Shoring

+334

40 neighbors recently requested a quote
Recommended by86%of homeowners
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Drain Pipe Installation FAQs, answered by experts

The first rule of plumbing is nothing but water, toilet paper, number one, and number two go down the drain. 

To prevent clogs, get yourself:

  • A compast pail where you can clean plates, drain grease, and toss scraps and paper towels. 

  • Drain screens for the shower, tub, and bathroom sink to stop hair, jewelry, toys, etc. from going down the drain.

  • Trash cans for everything that shouldn’t go down the drain, like dental floss, hygiene products, and cat litter.

P.S.: If you do drop your priceless ring down the drain, take a deep breath, and then follow these steps to retrieve jewelry from your drain.

Yes, you can pour water down the toilet to help it flush. For each flush, you’ll need 1 to 2 gallons of water for newer toilets or 3 to 5 gallons of water for older toilets. Rather than dumping the entire bucket in all at once, pour the water in slowly for the best results. If you’re pouring water down the toilet to help it flush after a clog, only use 1 gallon of hot water.

Liquid drain cleaners are harsh chemicals that can erode your pipes. To treat a slow drain or for preventative maintenance, pour hot water down the drain to break up gunk and help move it along. Make sure the water isn’t boiling hot (keep it under 140 degrees Fahrenheit) if you have plastic pipes. However, you’ll need to pull the clog out for bigger backups. 

DIY plunging or drain cleaning chemicals may help minor clogs, but professional hydro jetting ensures long-term solutions.

Your clothes—and your washing machine—will send you a few signals if you’re overdue for cleaning your washing machine filter. If you notice a buildup of detergent residue on your clothes, your clothes don’t dry quickly or at all, or you’re noticing lint in the machine, it’s time to clean the filter. 

The Seattle, WA homeowners’ guide to drain pipe installations

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