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

Avatar for BAC Earthworks, LLC
BAC Earthworks, LLC
5.0(
7
)
Foundation Drainage - Install or Replace

Serving Knapp, WI and surrounding areas

Approved

In business since 2021

Free estimates

Small jobs welcome

BAC Earthworks LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 8 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

land clearing
Excavation
Excavation
Excavation
Excavation

+4

Response time3 hrs
Response rate94%
7 neighbors recently requested a quote
Kuehndorf Services
4.4(
11
)
Concrete Foundation - InstallFoundation Drainage - Install or Replace

Serving Knapp, WI and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

Kuehndorf Services is a small and very professional company to work with. They are eager to grow; and always provide the highest quality of results within their work. If you are looking for a company that is reliable, and gets the job done right the first time, then this is the company to call!

Response time2 days
18 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for All-Star Basements
All-Star Basements
4.3(
29
)
Foundation Drainage - Install or Replace

Serving Knapp, WI and surrounding areas

In business since 2011

Free estimates

Emergency services offered

"Very professional, honest and upfront from the start. We received 3 estimates and this was the best price, most knowledgeable inspector/salesman and the communication was amazing. I was very comfortable from the beginning to the end! The also came very highly recommended by my realtor and home inspector! The driveway and sidewalk were leveled to their original position perfectly. The basement wall I was worried about was anchored and the drain tile and sump pump system were installed with radon mitigation and done in less than 2 days! Everything was cleaned well and the job leader stayed in touch with me to ensure i knew what was going on and was happy with everything. Very highly recommend this company!"
Drain Main System
Response time1 day
Recommended by90%of homeowners
Avatar for Smack Concrete LLC
Smack Concrete LLC
5.0(
8
)
Concrete Foundation - Install

Serving Knapp, WI and surrounding areas

In business since 2000

Free estimates

Credit card accepted

Hello, I specialize in driveways sidewalks patios and stairs. I have been doing concrete for 4 years. I am fully insured and offer a 1 year warranty. I am a small business self owned. I am super enthusiastic and am ready to accommodate your needs. Very reliable and I have excellent communication!

Additional Photos
Additional Photos
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Additional Photos
Additional Photos

+5

Recommended by100%of homeowners
Avatar for BAC Earthworks, LLC
BAC Earthworks, LLC
5.0(
7
)
Foundation Drainage - Install or Replace

Serving Knapp, WI and surrounding areas

In business since 2021

Free estimates

Credit card accepted

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers' needs. It is our mission to provide excellent workmanship, and complete customer satisfaction from start to completion of a project. In order to understand the needs, and expectations of our customers, we take great care to work, and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

Recommended by28%of homeowners
Drain Reliever
4.7(
6
)
Sump Pump or Interior Foundation Drains - Install

Serving Knapp, WI and surrounding areas

In business since 1999

Free estimates

Emergency services offered

"

I initially had a poor interaction with Mike that did not result in solving the above plumbing problem above. However, he has since connected with me and resolved the issue fairly.  He did an excellent job the first time I hired him (successfully unclogging a tub drain). Even though the second time we hired him was not successful (and we had to hire a second plumber to resolve the problem) we will use him in the future because he reached out to resolve our concerns in a professional manner.

"
Recommended by66%of homeowners
Goettl & Verbracken Plumbing, Inc.
5.0(
3
)
Sump Pump or Interior Foundation Drains - Install

Serving Knapp, WI and surrounding areas

In business since 1998

Free estimates

"Goettl & Verbracken did a very competent job for us under difficult conditions in an older home. Working side by side was helpful for both parties, as questions always come up. Location of installed flex gas line (next to and in the same opening as the metal dryer vent) was not anticipated. I drilled a new hold with spade bit and extension and rerouted the gas line. Otherwise, we are happy with the work done and would hire again!"
Recommended by100%of homeowners
Showing 1-10 of 20
Foundation Drain 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 drain wastewater and solid waste into the municipal sewer system or a septic tank. For fixtures below this level, like those in a basement, gravity cannot move the waste upward. The ejector pump provides the force needed to pump the sewage up to the main line. Without one, wastewater from below-ground fixtures would back up, potentially causing a sewage overflow and flooding. If all of your plumbing is on the main floor or higher, gravity is sufficient and an ejector pump is not needed.

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.

Due to the nature of basements, some level of waterproofing is necessary to prevent water from seeping in and causing damage. Some definitive signs that your basement needs waterproofing measures or needs existing waterproofing measures need to be updated include:

  • Water in your basement, including damp walls or puddles on the floor

  • Mold spots in your basement

  • Musty smells or odors

  • Warped doors or walls

  • Cracks in walls

  • Insect issues, such as cockroaches and termites

There are several things you can do to maintain your sump pump and prevent sump pump problems. For instance, keeping a lid on your sump pit goes a long way in protecting your pump system from silt, sand, dirt, and other debris. When water drains from the outside, such as along your foundation, or with melting snow, water runoff often brings sediment with it. 

Also be wary of corrosion, particularly if your sump pump system is made of metal. Keep an eye out for rust and have it inspected regularly by a plumber or sump pump technician.

Thankfully, you do have a few sump pump backup options in case it fails. One option is a battery-powered backup sump pump. Another option is using a portable backup generator as a power supply for your sump pump. Unlike a battery-powered backup which has limited power, a generator can run around the clock for as long as you need it. 

Or you can opt for a water-powered backup pump, which uses your home’s water supply as a source of power. However, this may not be the best option if you find your house frequently has low water pressure.

The Knapp, WI homeowners’ guide to foundation drain installation services

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