For a FREE no-obligation estimate in Kansas City, MO, please fill out the estimate form and Thrasher Foundation Repair will contact you shortly.

Get a Free Estimate

Your info
Schedule your inspection
Review & Submit

Customer Information

Please select a service
Please enter more details
Please specify how you found us

Street Address

How would you like to schedule?

Pick a date and time that works for you

Please select a day for your appointment
Please select a time

Customer Information

Inspection for:

Comment:

Heard about us from:

Thrasher Foundation Repair is your leading basement waterproofing company for your Kansas City home. With over 45 years of experience, our skilled team of structural engineers will install interior waterproofing systems, crawl space repair solutions, mold remediation techniques and egress windows. Our basement waterproofing contractors come to your home free of charge and obligation to inspect the problem area and provide a written estimate. Contact us today to schedule your appointment for your free estimate!

Trusted Basement Waterproofing Services in Kansas City

At Thrasher Foundation Repair, we offer proven solutions for your wet basement. Our basement waterproofing systems will keep your basement water and moisture free for years to come. We identify the cause of the problem and install the right basement waterproofing solution for your unique situation.

Egress windows

Our state-of-the-art egress windows come fully equipped with a 10-year warranty and a 5-year workmanship guarantee. We abide by all coding regulations and handle all permits. Our process for egress window installation is simple:

Interior waterproofing system

With more than 45 years of experience, Thrasher has a reputation for providing high-quality, long-lasting basement waterproofing solutions. We have access to more than 30 patented basement repair products designed to keep your basement clean, dry, and odor-free.

Sump pumps

Rely on a patented sump pump system installed by Thrasher Foundation Repair to keep your basement dry for years to come.

Dehumidifier

If there is high humidity and musty odors downstairs, it will affect the upstairs environment. For dehumidification in basements and enclosed crawl spaces, we recommend the SaniDry Sedona Dehumidifier. We have installed many different dehumidifiers over the years, and this system is the most effective and energy-efficient we have found.

Get a free estimate

At Thrasher Foundation Repair our priority is efficiency, property protection, satisfaction and respect for you and your home. We proudly serve Kansas City, MO and nearby. Contact us today to schedule your free estimate.

Why your Kansas City basement is wet

Your basement may be wet due to flooding. A wet basement can cause wood damage, dry rot damage, mold problems and other unnecessary issues in your home. Although the nature of the problem isn’t always clear, the expert basement waterproofing contractors at Thrasher Foundation Repair strive to find the root of the problem to give you a one-time fix. Contact our skilled basement waterproofers to schedule your free estimate!

Recent job requests in Kansas City

Neighborhood: Kansas City, 64118


Concrete repair

Neighborhood: North Olive Street, Kansas City, 64118


Would like inspection and quote for reinforcing South basement wall with steel beams , if that is the appropriate repair.

Neighborhood: E Santa Fe Trail, Kansas City, 64145


We have a large separation between our raised concrete porch and the steps/base. Id like to see what can be done about it, and Id like to get a quote for leveling and sealing our driveway, which has a lot of cracks and is uneven.

Neighborhood: Kansas City, 64132


Cracks in basement floor seeping water with heavy rain

Neighborhood: North Jarboe Street, Kansas City, 64118


Driveway has sunk and causing the front step to be unlevel. insurance company wants it fixed to continue coverage. Service Selected: Concrete repair

Neighborhood: Madison Ave, Kansas City, 64114


I get water in my basement when we receive heavy rains. Have some cracks in the foundation walls in a couple of areas that seem to be the issue. Service Selected: Water in my basement

Neighborhood: N Farley Ave, Kansas City, 64157


Front of the 3rd garage driveway is sinking and needs to be raised up. Little cracks there now. We also have some sinking on the front door step and front sidewalk that leads to the front porch. I believe the sidewalk and front porch step is not attached to the front porch. Step and sidewalk is what's sinking.

Neighborhood: North Polk Drive, Kansas City, 64151


There are several places in the garage where the floor is crumbling and the driveway has sunk, one side more than the other and has cracked in a few places.

Neighborhood: North Fisk Court, Kansas City, 64151


Driveway holds water in one area and although I see attempts from previous owner on front stairs, I would like that reviewed as well.

Neighborhood: Kansas City, 64154


Cracking in basement slab and upper walls in living room, foundation seems to be sinking in South East corner.

Neighborhood: Huntington Road, Kansas City, 64113


Id like an estimate to level a roughly 10 x 7 section of concrete pool deck. Service Selected: Something else

Neighborhood: Kansas City, 64151


Foundation cracks, water proof basement

Neighborhood: Kansas City, 64114


I have a crack in the foundation that is spitting out water in our basement.

Neighborhood: College Avenue, Kansas City, 64137


A crack has shown up on the south foundation wall of my home. Service Selected: Foundation cracks or sinking

Neighborhood: Oak Street, Kansas City, 64114


Basement and garage floor sinking toward the middle

Neighborhood: Pennsylvania Ave, Kansas City, 64114


Doors not shutting, cracks in dry wall Service Selected: Foundation cracks or sinking

Neighborhood: Askew Ave, Kansas City, 64137


Basement wall seems to be bowing at near the floor. Nothing is leaking, but the drywall is cracking.

Neighborhood: Belleview Avenue, Kansas City, 64114


We bought our house in April 2025. The structural engineer that inspected the house brought some minor foundation issues to light that he mentioned should be done in the next few years and we would like to see how much the repairs would cost and if they need to be done immediately

Neighborhood: Walrond Avenue, Kansas City, 64128


Need an estimate on foundation repair. The main house is stone foundation but first floor flooring is kinda uneven. The main problem is the extension of the house that is concrete blocks foundation with a crawl space. The door in that extension leads to the backyard is stuck and wont open as the extension of that part of the house is leaning into it. On the second floor you can really feel the lean of the foundation sinking towards the backyard.

Neighborhood: Kansas City, 64110


Foundation cracks or sinking