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Top-Rated Sump pump or interior foundation drains installers in Chehalis - Updated Nov 2026

Avatar for TerraFirma
TerraFirma
4.0(
100
)
Sump Pump or Interior Foundation Drains - Install

Serving Chehalis, WA and surrounding areas

Approved

In business since 2005

Free estimates

Warranties offered

"I have had two issues since they installed the new sump pump and irrigation. Issue number one was water still getting passed the new concrete. The other issue is that the new concrete was not level at all which has caused issues with the new flooring I installed. However, their customer service is top notch and will work hard to take care of you."
A System Design Specialist helping a homeowner
Encapsulating a crawl space
Fleet of vehicles in our Portland, Oregon locatio
Loading up our truck for a piering job
Loading up a truck for a waterproofing job

+33

Response time2 hrs
Response rate100%
79 neighbors recently requested a quote
Avatar for Black Hills, Inc.
Black Hills, Inc.
4.5(
606
)
Sump Pump or Interior Foundation Drains - Install

Serving Chehalis, WA and surrounding areas

Approved (Corporate)

In business since 1993

Free estimates

Emergency services offered

"The Technician came to do maintenance on both our furnace and heat pump. He was thorough and knowledgeable and explained everything and took several pictures. His name was Virgil and he was very detailed and cleaned up afterwards. He is the best technician we've had to do our system. We would definitely recommend him and his company. In fact, we would like him to come back to do our next service. I really can't say enough about Virgil and his company, Black Hills, Inc. They are the BEST! Thank you, Paul and Kristine Thompson"
Furnace
Heat Pump
Heat Pump
Furnace
Mini Split

+12

Response time1 day
2 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for MTU Services LLC
MTU Services LLC
5.0(
5
)
Sump Pump or Interior Foundation Drains - Install

Serving Chehalis, WA and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"went very well. service was prompt, work was completed efficiently, thoroughly, and timely. everything was explained beforehand during bid in such a way that even someone who knows nothing about the work involved could understand. honest people who know what they are doing. treated our residents with respect. and help to maintain a safe path for them to travel through our main entrance. if you need the services they offer these are the ones to do it. fair pricing as well. only ones I found that actually guarantee the work they do for this type of job."
Elevator pit waterproofing and sealing
Piers under an existing home
Piers under an existing homes middle wall
Solutions/Answers
Response time1 day
Response rate100%
4 neighbors recently requested a quote
Rainier Plumbing, LLC
5.0(
4
)
Sump Pump or Interior Foundation Drains - Install

Serving Chehalis, WA and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

Recommended by66%of homeowners
Avatar for WA EVERGREEN INSULATION LLC
WA EVERGREEN INSULATION LLC
4.4(
7
)
Sump Pump or Interior Foundation Drains - Install

Serving Chehalis, WA and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"Had a great experience with WA Evergreen Insulation from start to end. Rob came to my house, quoted me an insulation install, made absolutely sure that they would not cover any existing knob and tube with insulation and prevent a fire. The crew showed up and completed the job in one day. Once they got started it was clear they knew exactly what they were doing - and they managed to shimmy into the extremely small attic access and cleaned up my rat jerky in the crawlspace! I'm very happy with this job and with this company!"
After Picture Fixed and well protected
Before Picture (DANGEROUS for crawlspace!!)
New Construction Insulation
Protected and Sanitized Crawlspace
Before Picture Of No Insulation and fire hazard

+2

Response time9 hrs
Response rate93%
Recommended by83%of homeowners
Avatar for Rain Pros Inc
Rain Pros Inc
4.7(
435
)
Sump Pump or Interior Foundation Drains - Install

Serving Chehalis, WA and surrounding areas

In business since 2006

Free estimates

Warranties offered

"As usual, they did an outstanding job. This is the fourth time I've used Rain Pros services (drain tile installation, addition of topsoil to roll and level lawn, over seed existing lawn). Their crew is hardworking, prompt and professional. They are very knowledgeable and skilled. I have never been disappointed."
Before
Sump Pit with Sump Pump
Downspout coming off of a barn
4-inch PVC installed with the black asphalt emulsion and custom made flashing up.
Excavated

+51

Recommended by94%of homeowners
Avatar for Pinnacle painting and mainu
Pinnacle painting and mainu
4.9(
15
)
Sump Pump or Interior Foundation Drains - Install

Serving Chehalis, WA and surrounding areas

Free estimates

Emergency services offered

Credit card accepted

"Pinnacle Painting did an excellent job powerwashing the 44 units of my HOA in Washougal. Austin was professional, friendly and kind. Besides that he.painted all the trim 2 yrs ago and it looks best in 27 years! Thanks Austin."
Painting - Exterior Project- Deck staining
Painting - Exterior Project- Deck staining
Painting - Exterior Project- Deck staining
Painting - Exterior Project- Deck staining
Painting - Exterior Project- Deck staining

+29

Recommended by100%of homeowners
Avatar for Creekside Excavation & Hauling LLC
Creekside Excavation & Hauling LLC
5.0(
7
)
Sump Pump or Interior Foundation Drains - Install

Serving Chehalis, WA and surrounding areas

In business since 2021

Free estimates

Emergency services offered

Full service excavation company specializing in land clearing, foundation dig outs, power pole installation, trenching, grading, demolitions, building roads, repairing driveways & anything to do with dirt. We also deliver crushed rock, fill dirt & turf mix for our valued customers.\n\nWe live where we work so our number one goal is customer satisfaction.

Foundation dig out & Pad Compaction
Land before road & landscaping
Progress including tree clearing
Finished Product
Additional Photos

+8

Recommended by100%of homeowners
Showing 1-10 of 29
FAQs for sump pump or interior foundation drains installation projects in Chehalis, WA

Most residential pumps draw approximately 1,300 to 2,900 watts when they first start, then settle at roughly 800 to 1,050 watts during normal operation. The exact number depends on the motor’s horsepower and how often the float switch tells the pump to run. Even at the high end, the electricity cost is minor compared with the expense of cleaning up a flooded basement.

Grab a ruler and an empty 18‑inch‑wide pit. During a steady rain, time how much the water rises in one minute. Multiply that depth (in inches) by 60 to calculate gallons per hour, then add 50% for safety. If the result tops 2,100 gallons per hour—about 35 gallons a minute—you’ll need a 3/4‑horsepower unit. Anything lower, and a 1/3- or 1/2-horsepower pump should do the trick.

Loud rattling, constant cycling, or shuddering vibrations are the pump’s way of telling you it’s on its last legs. Musty smells, higher electric bills, and visible rust are other red flags. If the unit is 10 years old or older and exhibits any of these symptoms, replace it before the next heavy rain turns your basement into a wading pool.

You don’t have to hire a licensed plumber, but you should still bring in someone who installs sump pumps for a living—whether that’s a plumber, basement‑waterproofing specialist, or experienced handyman. They know the local codes, can wire the pump safely, and will test the system before they leave. Skipping professional help might void the warranty and could leave you with a pump that fails when you need it most.

Not every basement needs a pump, but if your home sits in a floodplain, has a high water table, or has ever taken on water during a storm, a sump pump is inexpensive insurance. For basements that only struggle with condensation or the occasional damp spot, sealing cracks and improving drainage may be all that is needed.

The Chehalis, WA homeowners’ guide to sump pump or interior foundation drains installations

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