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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.


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: Oak Street, Kansas City, 64114

Garage slab is cracked and uneven. One corner of our home is 1/2 to 1.4 inches lower due to the garage issue. We've had measurements taken and other consults but would like other opinions as well

Neighborhood: Oak Street, Kansas City, 64113

Have lived in my home for two years, have recently noticed material sinking in the kitchen / dining room (North side of the house) and related minor settling / cracking in other parts of the house.

Neighborhood: Lydia Ave, Kansas City, 64131

I have some sinking concrete on back patio, garage slab and also driveway and am investigating options.

Neighborhood: Kansas City, 64152

There are large cracks in the walls and ceilings. Doors are having difficulty closing

Neighborhood: N Charlotte ST, Kansas City, 64155

Driveway slab in front of garage door needs to be lifted.

Neighborhood: Kansas City, 64138

Water sealing

Neighborhood: Kansas City, 64118

My foundation has a large crack visible from the outside. Another smaller crack on a different part as well.

Neighborhood: Kansas City, 64116

Cracks in drywall

Neighborhood: Kansas City, 64119

Sinking/cracking driveway and some cracking at main door entrance

Neighborhood: Moats, Kansas City, 64133

I need a quote on foundation repair. Wall is leaning and there are cracks

Neighborhood: Kansas City, 64131

Bowed wall and sinking wall

Neighborhood: N Wayne Place, Kansas City, 64155

Sunken driveway and front steps

Neighborhood: Kansas City, 64152

Neighborhood: N. Woodland, Kansas City, 64118

Heavy rains cause water to come into my basement

Neighborhood: Woodside Avenue, Kansas City, 64133

Cracks in drywall, water in basement, cracks in concrete

Neighborhood: N Kentucky Ave, Kansas City, 64157

My driveway is starting to settle a little bit. I dug up a small area next to the driveway to ensure a water sprinkler was not leeking and i was able to stick a piece of wood 6 feet long under the driveway. I did a half circle and never hit anything. If i had to guess, the gap between the driveway and soil beneath was 6 inches

Neighborhood: Kansas City, 64116

Leveling concrete sidewalk and steps.

Neighborhood: Kansas City, 64131

My driveway is sinking on one side as well as my walkway from the street and from the driveway to my front door has cracks as well.

Neighborhood: N Farley Ave, Kansas City, 64157

Need driveway mud jacked.

Neighborhood: Hardesty Ave, Kansas City, 64137

A couple of doors are not closing properly, My garage doors wont close properly due to cracks in the garage floor. crack in the wall.