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TRUSTED BY CHEHALIS, WA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon194
    Verified sump pump installation services reviews

Top-Rated Sump pump installation pros in Chehalis - Updated Nov 2026

Avatar for Groundworks
Groundworks
4.3(
314
)
Sump Pump or Interior Foundation Drains - Install

Serving Chehalis, WA and surrounding areas

Approved (Corporate)

In business since 1995

Free estimates

Emergency services offered

"Arrived when scheduled and did an excellent job. They were able to raise cement to original level in all areas, patched up the drill holes nicely, and left all areas clean."
Foundation
Foundation
Foundation
Concrete
Concrete

+16

Response time2 days
125 neighbors recently requested a quote
Recommended by83%of homeowners
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

"The individual who visited and prepared the proposal, as well as the installation team, arrived on time, provided helpful and accurate detail on what work would be performed, how, and when, and executed their work in an organized fashion. The installation crew did a thorough cleanup and completed their work on time. Although the bid was competitive compared to others, the work was still more expensive than I felt it should be considering that work took less than a day and used few materials (aside from a sump pump which accounted for 1/3 of the cost). The only negative was that the financial office was unprepared with the necessary paperwork at the time of the work, causing some slight confusion. However, they did get this sorted out quickly and the minor issue did not at all delay or interrupt the work."
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%
87 neighbors recently requested a quote
Avatar for WA EVERGREEN INSULATION LLC
WA EVERGREEN INSULATION LLC
4.4(
7
)
Sump Pump - Repair or ReplaceSump 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%
7 neighbors recently requested a quote
Rainier Plumbing, LLC
5.0(
3
)
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 by100%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

"RainPros sealed and installed drainage to stop water leakage through our basement wall. They were very competent and professional, and handled the job with a minimum of disruption to us. They kept us informed as the project progressed and at the end restored the site to its original condition. I highly recommend them."
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
JM Plumbing and Mechanical LLC
4.8(
53
)
Sump Pump or Interior Foundation Drains - Install

Serving Chehalis, WA and surrounding areas

In business since 2011

Free estimates

"Fantastic. The majority of work was done in 3 days. Unbelievable!!! The plumbing under the house was a really tight squeeze and it was done to perfection. He had to come back twice for the dishwasher because the door wouldn't close. It turned out to be a manufacturer's defect and had nothing to do with him. Great customer service.
When I bought the house, a plumbing nightmare was discovered. Mismatched pipes under the house  with a heat lamp (surprise!) Of course there was no indication of possible plumbing problems from the prior owner. If we hadn't inspected under the house, we would have had a nightmare in the winter. The shower plumbing sprayed water out the backside into a closet. The washer hook up did not have appropriate venting and the dryer vent went into the floor and under the house through nothing but a tinfoil dryer vent. The barn pipes leaked and one had burst during the period of time the house was empty.
I had 3 bids on this job. One was $10,000 with caveats about possible extra charges. One was $6500 with caveats about extra charges. JM Plumbing said both those bids were too high and he would be more than happy to do it for $6200.
Great job, great work, great customer service. I have recommended him to the Culligan Man as a top-notch example of what to expect from a plumber.


"
Recommended by97%of homeowners
Avatar for Creekside Excavation & Hauling LLC
Creekside Excavation & Hauling LLC
5.0(
7
)
Sump Pump - Repair or ReplaceSump 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 30
Sump Pump Installation FAQs, answered by experts

A sewage ejector pump is necessary if you have any plumbing fixtures, such as a bathroom, laundry room, or sink, located below the level of your home's main sewer line. Standard plumbing relies on gravity to move wastewater and solid waste to the municipal sewer or septic tank. However, for fixtures located below grade (e.g., in a basement), gravity is not sufficient.

The purpose of a sewage ejector pump is to actively pump this wastewater and solid waste upward into the main sewer line. Without an ejector pump in this situation, wastewater would have no way to exit and would eventually back up, causing a sewage overflow or flooding in your basement. If all of your home's plumbing is on the main floor or higher, gravity can handle the drainage, and an ejector pump is not needed.

First, you can try unplugging the two sump pump cords, one for the motor and one for the float switch, then plugging them back in to reset the sump pump. You can also reset the sump pump by turning it off and back on at the breaker. Many sump pumps have a reset button, which you can press and hold for a few seconds to reset the device.

A water pressure booster doesn't require special maintenance. Like any house system, inspections should be a regular part of your annual schedule. Check for leaks, faulty valves, pressure loss, and mineral build-up. Pressure loss could be a result of mineral build-up, and you can descale the system with a vinegar and water solution.

There are a couple of similar alternatives you may consider for a sewage ejector pump, including a grinder pump or a submersible sump pump. Submersible sump pumps protect your home from flooding from outside water, though, rather than handling wastewater from inside. A grinder pump macerates, or shreds, solid waste before pumping it onward to the sewer line.

No. Sump pumps have different capacities, which refers to the volume of water that they can remove. They also come in various horsepower ratings, which measure the size of the pump’s motor. For many homes, 1/3 horsepower is enough. But if you live in an area that floods often, you might need a more powerful model.

The Chehalis, WA homeowners’ guide to sump pump installation services

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