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TRUSTED BY SPOKANE, WA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon1.6k+
    Verified foundation drain installation services reviews

Top-Rated Foundation drain installation pros in Spokane - Updated Nov 2026

Avatar for CFP Northwest
CFP Northwest
5.0(
70
)
Sump Pump or Interior Foundation Drains - Install

Serving Spokane, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Credit card accepted

"Jeremy Collins is a fantastic plumber! He is knowledgeable, friendly and hard working. He exceeded my expectations and I am very happy with the work he did. I am very confident in the quality of plumbing I saw and learned a lot! I definitely recommend his business if you want friendly, confident and reliable plumbing done."
Bathroom addition
Response time9 hrs
Response rate100%
3 neighbors recently requested a quote
Avatar for Groundworks
Groundworks
4.2(
924
)
Sump Pump or Interior Foundation Drains - Install

Serving Spokane, WA and surrounding areas

Approved (Corporate)

In business since 1999

Free estimates

Small jobs welcome

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

+9

25 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Premier Basement Systems, Inc.
Premier Basement Systems, Inc.
3.7(
46
)
Foundation Drainage - Install or Replace

Serving Spokane, WA and surrounding areas

Approved

In business since 1992

Free estimates

Warranties offered

"The work was fine, at least so far! We hired them to repair cracks in the foundation, and the estimator thought that there were three cracks. When the person showed up to do the work, he only found (and repaired) two cracks. It took several months for them to adjust their bill, which is my only complaint. It took several phone calls and emails, and they didn't reduce the bill very much."
Mold in the Inland Northwest
Mold in the Inland Northwest
Mold in the Inland Northwest
Mold in the Inland Northwest
Mold in the Inland Northwest

+1

Response time2 days
12 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for My Guy Plumbing & Service, Inc.
My Guy Plumbing & Service, Inc.
4.9(
38
)
Sump Pump or Interior Foundation Drains - Install

Serving Spokane, WA and surrounding areas

Approved

In business since 2015

Free estimates

Customers say: Quick response

"Contacted Mike after waiting for the original plumber we called to cal back (never heard from him) . My daughter told us about My Guy had plumbed their bathroom. Mike told us he would be in Spokane on the 10th of March and that he could do a laundry room sink install in the afternoon. We sent him pictures of the old sink and the plumbing set up. He arrived as promised with all material in hand and within 4 hours he and his apprentice completed the job. The completed project was far better than we had ever hoped for. They did a total cleanup and removed the old concrete sink and did it all at a reasonable price. We would not hesitate to recommend Mike for any plumbing job."
Response time6 hrs
Recommended by100%of homeowners
Avatar for Ferraro Concrete LLC
Ferraro Concrete LLC
4.3(
69
)
Concrete Foundation - Install

Serving Spokane, WA and surrounding areas

Approved

Free estimates

Warranties offered

Small jobs welcome

"We had a complicated job to widen a basement walkout, which included demolition of walls and steps that had been improperly installed. We also wanted other steps and a patio demolished and new steps and patio poured, as well as sidewalks. We got bids from several contractors who were willing to do the job but seemed not to necessarily know what they were doing. Chris Ferraro gave us a bid, and we knew right away that he knew what he was doing and would do a quality job. It wasn't cheap, but it was well worth it to have the work done right and look great."
Wall
Footing
Apron in front of garage plus approach
3 tiered wall plus floors all prepped, placed and finished by Ferraro concrete
City sidewalk

+38

Response time6 days
Response rate100%
4 neighbors recently requested a quote
Avatar for MTU Services LLC
MTU Services LLC
5.0(
5
)
Foundation Drainage - Install or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Spokane, WA and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

Protect the investment you’ve made with the knowledgeable team at MTU Services LLC. We are your local basement and foundation experts serving all of Washington state and North Idaho. We offer customized basement waterproofing, foundation repair, concrete crack repair, and basement sump pump solutions and egress windows for your home. Contact MTU Services LLC today to learn more about how we can help you protect your home. Give us a call to request a quote or to schedule service.\n\nServices include: leaking basement or crawl space repairs, foundation cracks repaired, lifting piers and levelling for your home or building, sup um systems and more.

Elevator pit waterproofing and sealing
Piers under an existing home
Piers under an existing homes middle wall
Solutions/Answers
Response time1 day
Response rate100%
2 neighbors recently requested a quote
...
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Foundation Drain Installation FAQs, answered by experts

Costs range from $2,000 to $7,000, depending on system type and excavation requirements.

Yes, it’s possible to install a sewage ejector pump outside rather than in a basement. However, there may be some extra steps involved, including running pipes from the inside to the outside of your home and digging (and re-filling) a hole for the basin. If you aren’t comfortable with this type of work, contact a plumbing pro to handle it for you.

Some questions you should ask before hiring a plumber or drainage installation company include:

  • Are you licensed and insured?

  • Do you have any customer testimonials I can read?

  • How do you handle unforeseen challenges that occur during the job?

  • Is your fee a flat rate or hourly?

  • Do you do the work, or do you have subcontractors?

  • Is everyone who does the work licensed and qualified plumbers?

  • Is cleanup included in the quote?

  • Do you offer a warranty or guarantee on your work?

In most cases, yes, because the large majority of basements leak or will have moisture issues at some point, and waterproofing methods can mitigate that risk or eliminate it entirely. Plus, water and moisture issues can be quite problematic, as they can lead to mold growth, rotting of building materials, structural damage, poor indoor air quality, increased electric bills, and other problems.

Several factors can impact the cost of waterproofing your basement. Some of the most common cost factors include:

  • Location

  • Square footage

  • Cause of the water leak

  • Type of foundation

  • Accessibility

  • Waterproofing method

  • Materials

  • Contractor experience and availability

  • Engineering reports, if needed

  • Structural and other repairs

  • Permits

The Spokane, WA homeowners’ guide to foundation drain installation services

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