Basement Waterproofing in Kansas City

The worst thing your basement can experience is water damage.

Signs You Need Basement Waterproofing

If you detect basement damage early, you can save a ton of money and time on extensive repairs. Early detection of water damage would also allow you to stay on top of your basement and strengthen its lifespan. Here are some signs you need to look out for to know when you need basement waterproofing.

Watch for change over time, and tell us where and when water appears.

A crack extending across a basement concrete floor — Cracks across the floor or near the wall joint

Floor Cracks

Floor cracks are often the result of soil pressure caused by the expansion or contraction of the soil. When the soil beneath and around your basement gets saturated with water, hydrostatic pressure builds up in the soil, pushing it against the basement floor. Eventually, the pressure becomes too much, and the floor begins to crack. If you start noticing floor cracks in your basement, arrange an inspection to determine whether water management, structural repair or another response is needed.

Moisture staining along a below-grade wall — Persistent odors or dampness in the basement

Musty Smells

A musty smell around the basement can be a reason to investigate moisture, mold or mildew. Sometimes, the mold is visible, and sometimes, it grows in hard-to-see areas. That is where the smell gives you the hint. Address the moisture source and have suspected mold assessed. Therefore, if you smell a moldy, musty scent around the house, it’s important to take a preventative waterproofing measure.

Visible discoloration on wood framing — Visible discoloration, blistering paint or damp materials

Mold Formation

As mentioned earlier, a musty odor is an indication of mold. However, a clearer indication is when you see the mold formation yourself. Mold can grow rapidly on basement tiles and walls, as well as in other parts of your house. You may also see your wall paint blistering and your insulation going lumpy. Persistent moisture and suspected mold deserve professional assessment. Therefore, if you spot mold in your basement, get started with reliable waterproofing.

Standing water across a basement floor — Water at walls, floor joints or low points

Water Seepage & Flooding

Where water appears helps guide the inspection. Tell us whether it follows a storm, collects at the wall-floor joint or comes through a visible crack. The drainage and discharge path are part of the repair plan.

Explore waterproofing systems

Basement Waterproofing Starts with the Water Source

Interior drainage, a sump-pump system and moisture control have different jobs. An inspection shows how they should work together in your basement.

Cutaway showing perimeter drainage connected to a sump-pump basin and discharge — Water moves from the perimeter drain to the sump basin, then away from the home.

The worst thing your basement can experience is water damage. The moisture in your basement can gradually weaken and create structural problems for your property. The best way to solve this problem is to identify where water enters and choose a system for your basement, which is possible with reliable basement waterproofing in Kansas City across MO and KS. Our team of experts at KC Waterproofing can install trusted basement waterproofing systems to manage leaks and water seepage in your basement. Get in touch with us today to start transforming your basement.

Waterproofing a Poured Concrete Basement

See common entry points in a poured concrete basement.

Water Around the Foundation

Downspout extensions and exterior grading direct rainwater away from the home. The inspection considers drainage around the foundation as well as what is visible inside.

Water at Walls, Cracks & Floor Joints

Interior drainage collects water and directs it to a sump-pump system. Crack injection addresses suitable leaking cracks. The right combination depends on the foundation and the path water takes.

Moisture in the Basement Air

Dehumidification manages moisture in the air. It supports a waterproofing plan but does not replace the drainage needed for standing water or an active leak.

Basement Waterproofing Services in Kansas City

Our professional team of basement technicians is geared up to provide you with comprehensive basement waterproofing services.

A perimeter drainage channel being installed along a basement wall — Perimeter drainage connects to a sump-pump system.

Collect water along the basement perimeter

Interior Drainage Systems

An interior drainage channel system is installed along the base of the basement wall, on poured or block foundations, to collect water at the wall, the floor, and beneath the floor before it moves to a sump pump and out of the home. The drainage layout is selected for the foundation and the paths water takes into the basement.

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Interior Basement Waterproofing

Here are some services that we can perform to protect your basement from the inside.

Remove the water drainage collects

Sump Pump Systems

Every drainage system includes a sump pump built to handle the water the channels bring to it, with pump capacity, pit size and backup options assessed for the home. These sump pumps collect water at the low point of the system and move it away from the house before it has a chance to back up.

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KC example of a wall crack before and after injection

Address suitable leaking cracks

Crack Injection for Interior

As part of our basement crack repair in Kansas City, MO, and KS, we use a polyurethane injection system. Polyurethane goes into cracks as a liquid and then hardens to seal up the cracks flexibly, and it comes with a transferable warranty. Depending on the cracks, we can also suggest and implement methods that suit the needs of your basement.

Explore foundation leak repair

A technician checking a basement dehumidifier

Manage moisture in the air

Basement Dehumidifiers

Our basement dehumidification service in Kansas City, MO, and KS can examine your basement, test the moisture levels, and install a dehumidifier in an optimal setting. The dehumidification system will keep your basement dry and cool, preventing mold and promoting good indoor air quality. Whatever brand of dehumidifier you choose, it will come with a written manufacturer’s warranty.

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Perimeter drainage at the base of a foundation wall

A drainage plan for stone foundations

Stone Foundation Interior Drain System

A stone foundation is made with stones cut into uniform blocks and laid on top of each other with lime-based mortar. If you have this kind of foundation in your house, you don’t have to worry about waterproofing. We can install an interior drain system that will protect it from water and allow it to drain easily.

Explore drainage systems

Exterior Basement Waterproofing & Drainage

Water management also starts outside. We consider the foundation, landscaping and drainage before recommending interior or exterior work.

Exterior drainage pipe surrounded by gravel during installation

Exterior Waterproofing System

To protect your basement’s exterior structure from the water, our experts can perform:

Schedule a waterproofing inspection

Exterior Crack Injection System

Leaking cracks in your concrete structure need to be sealed to ensure its durability. To do that, we use a reliable exterior crack injection system with waterproofing. The injections we fill the cracks with are filled with polyurethane resin designed to expand with water to block the passage. We provide a lifetime transferable warranty.

Downspout Extensions and Exterior Grading

Downspout extensions allow rainwater to flow away from your house by channeling it through the gutter in the basement. Grading is the name given to the slope of the soil around the foundation of your home. Downspout extensions, accompanied by proper grading, are ideal ways to keep your basement away from the water.

Gutter Covers

Gutter covers are essential for keeping your house free from water damage. We can install gutter covers on your roof, allowing the water to drain directly without letting debris block it. The debris stays on top of the gutter, making it easy for you to clean later. As a result, all the water gets drained properly, and you are left with a dry, comfortable place.

Exterior French Drain Systems

An exterior French drain system is typically installed along the exterior perimeter of your house. Its primary purpose is to collect and divert water away from the basement foundation, preventing it from leaking into the house. Depending on the size of your house, we can install the most suitable exterior French drain system to protect your basement from water infiltration. Give us a call to take advantage of our 360-degree interior and exterior basement waterproofing services.

Our Basement Waterproofing Process For Kansas City Homes

If you want to choose the right basement waterproofing solution in Kansas City, MO, and KS, choose KC Waterproofing & Foundation Repair. We have been working on waterproofing since 1985; we know all kinds of basements and can repair all kinds of damage. Let us transform your basement into a dry, comfortable space. Through reliable basement waterproofing, you can address water entry and plan for heavy rain. Our basement waterproofing service doesn’t only restore your flood-damaged basement but also puts effective basement waterproofing measures in place to reduce the risk of flooding in the future. The moisture content inside the basement can create an uncomfortable atmosphere for the residents, but it gives mold the freedom to grow. Since the water evaporates, the problem may begin in the basement. Our waterproofing service can curb this problem and help manage basement moisture. In addition to repairs, we also aim to protect. That is why we strategically implement preventative waterproofing measures to safeguard your basement and make it a secure place to live and store things. Contact us today for reliable waterproofing service in Kansas City across KS and MO. We know fixing your home is important, and waiting can make basement issues worse. That’s why we made our basement waterproofing process really simple. We want to help you quickly so that the problem doesn’t get bigger.

Inspection
The process begins with a free inspection where we understand the problem with your basement, recommend suitable methods to waterproof it, and give you a written estimate on the cost and time of the waterproofing services.
Appointment
Once we set up a time and date to begin the waterproofing work, our reliable technicians will come to your house to fulfill their appointment and start the job. We will bring all the necessary equipment, materials, and safety gear with us.
Quality Assurance
Our waterproofing experts always ensure quality assurance while we are doing the job. However, we also perform a final quality assurance inspection to ensure that nothing is overlooked after we are done. If you have any concerns, you can also inspect the entire house during the assurance period.
Annual Checkups
The best way to save money on repairs, maintenance, and waterproofing is to have your basement checked regularly. That is why, once we have serviced your house, you can hire us for annual inspections. The inspection will focus on checking your basement for damage and performing repairs immediately. Contact us today for more information about our basement waterproofing process in Kansas City, MO, and KS.

Google reviews

What our customers say.

4.9 / 5 from 1,004 Google reviews.

★★★★★ Google

Everyone I’ve interacted with from KC Waterproofing has been a delight. Friendly, professional and hardworking - from our Foundation Specialist Patrick to every member of Schylur’s crew who...Read full review

Everyone I’ve interacted with from KC Waterproofing has been a delight. Friendly, professional and hardworking - from our Foundation Specialist Patrick to every member of Schylur’s crew who completed the work. Their clear communication with me throughout the course of the project was very appreciated. The crew clearly enjoys working together as well as the work they are doing, which gives me full confidence in the caliber of the end result. I would contract them again without reservation and happily recommend them to anyone in need of crawl space waterproofing services.

Veronica W. Verified Google review · North Kansas City, MO · Aug 2026

★★★★★ Google

Connor and his crew did an excellent job fixing our foundation. I can't believe they finish it in 5 days. Hardworking and professional crew. I would recommend them to anybody. Even clean up...Read full review

Connor and his crew did an excellent job fixing our foundation. I can't believe they finish it in 5 days. Hardworking and professional crew. I would recommend them to anybody. Even clean up the basement really well.

Chuck Y. Verified Google review · North Kansas City, MO · Aug 2026

★★★★★ Google

Connor and his crew did an excellent job fixing our foundation. They finish it in 5 days and we love the result. Left our basement spotless as well. Would recommend them to anybody.

Regielyn L. Verified Google review · North Kansas City, MO · Aug 2026

★★★★★ Google

Mario serviced my sump pump today and did a good job. He also replaced tape on my wall shield. He provided excellent customer service and was willing ti come out any time needed or said...Read full review

Mario serviced my sump pump today and did a good job. He also replaced tape on my wall shield. He provided excellent customer service and was willing ti come out any time needed or said to call him anytime if I had any questions.

Michael K. Verified Google review · North Kansas City, MO · Jun 2026

★★★★★ Google

Great price, great work! In just 3 days, Jesse’s team added two sump pumps and over 40’ feet of channeling with the full wall systems. No more towels, fans, and dehumidifier after every big...Read full review

Great price, great work! In just 3 days, Jesse’s team added two sump pumps and over 40’ feet of channeling with the full wall systems. No more towels, fans, and dehumidifier after every big rain storm!

Peter Y. Verified Google review · North Kansas City, MO · Jun 2026

★★★★★ Google

Sump pump backup pump activated an alarm so I scheduled a checkup to make sure everything was fine. Mario called before coming and was very polite. He showed up on time and got straight to...Read full review

Sump pump backup pump activated an alarm so I scheduled a checkup to make sure everything was fine. Mario called before coming and was very polite. He showed up on time and got straight to work, I was not home at the time and asked him to call me with the results. He diagnosed the problem and then called me to run through results and also provide some more info on the pump operation. Very easy to work with, good communication, smart guy. Would use him for service again.

Matt S. Verified Google review · North Kansas City, MO · Jun 2026

★★★★★ Google

KC Waterproofing did a great job installing a new sump pump and other water mitigation items. Friendly crew, arrived each day as planned and finished in just 2.5 days!

Lynn M. Verified Google review · North Kansas City, MO · Jun 2026

★★★★★ Google

A sump pump was installed very quickly. Gerry and Davan were excellent. They protected the house and basement from extra dust and just going in and out to get the tools. Digging up the yard...Read full review

A sump pump was installed very quickly. Gerry and Davan were excellent. They protected the house and basement from extra dust and just going in and out to get the tools. Digging up the yard to install the pipe...they replaced the sod and cleared the extra yard waste. Also they were very friendly with our dog. Gerry, Davan, and Mario came to check the new installed sump pump. Made sure everything was working. I'd give everyone 10 stars if I could!!!!

Dianne W. Verified Google review · North Kansas City, MO · Jun 2026

★★★★★ Google

KC Waterproofing and Foundation Repair has taken incredible care of my home through multiple visits. Gary and Davan handled my initial sump pump installation and crack repairs, and they...Read full review

KC Waterproofing and Foundation Repair has taken incredible care of my home through multiple visits. Gary and Davan handled my initial sump pump installation and crack repairs, and they were not only skilled but genuinely thoughtful throughout the process. We had a bit of early miscommunication, and instead of brushing it aside, they listened, acknowledged what happened, and adjusted the plan so everything aligned with what I needed. They brought me in at every step—walking me through pump location options, explaining the exit pipe decisions, and making sure I felt confident about the work being done. Their friendliness and respect made a stressful repair feel manageable. Later on, I had some cracks that needed to be reassessed, and Mario came out to take a look. He was incredibly kind, patient, and thorough, and he did an amazing job with the additional repairs. His calm, reassuring approach made me feel completely taken care of. I also want to highlight Don, the manager, who is just as kind and committed to making sure customers feel heard and supported. It’s clear this team truly values doing right by people. I’m grateful for their care and would absolutely recommend them for any foundation repair or waterproofing needs.

Katlyn E. Verified Google review · North Kansas City, MO · May 2026

Why Choose KC Waterproofing

KC Waterproofing starts with a free inspection, recommendations for your property, and written promises behind the work. Serving Kansas City homeowners since 1985.

A free inspection. A plan built for your home.
Custom-engineered recommendations, a clear written estimate, and room to ask every question.

Schedule free inspection

★★★★★Google review

“Had an initial consultation with Camden. He was upfront, professional, honest, and very knowledgeable. We haven’t yet made a decision as to next steps, but our experience with the consult was top-notch.”

Grant T.Verified Google review · North Kansas City, MO · Oct 2026

Lifetime transferable warranty.

Protection that stays with your home, even when you sell.

Your money is never at risk.

We stand behind our work with a written money-back guarantee.

Five-star service guarantee.

Clear communication. Respect for your home. A service promise we put in writing.

What Will Your Repair Cost?

Cost depends on the condition of your home, access and the work it needs. Your free inspection gives us the information to prepare a written estimate.

Fair & honest pricing.

No sales tactics. No pressure to decide on the spot. Your written estimate explains the work and the price before you make a commitment.

Your money is never at risk.Our written money-back guarantee stands behind the work.

Schedule free inspection Financing options

Before you decide

Basement Waterproofing in Kansas City FAQs

Answers about repair options, cost and next steps for your property.

Can you waterproof a basement from the inside?

Yes, you can definitely waterproof a basement from the inside. Interior basement waterproofing involves waterproofing the basement walls and floors so that the water reroutes before it enters your basement.

How much does it cost to waterproof a basement in Kansas City?

Basement waterproofing cost depends on the water source, foundation, access and the work your home needs. Your free in-home inspection gives us the information to prepare a written estimate for labor and materials.

Does KC Waterproofing offer a warranty on basement waterproofing?

Yes, our services are protected by a lifetime transferable warranty, which means the warranty is transferable to a new owner even if you sell the house. We also offer a money-back guarantee on basement waterproofing. Your money is never at risk. Applicable coverage is explained in the written terms.

Can you do both interior and exterior basement waterproofing?

Yes, of course, our company does both interior and exterior waterproofing services. The interior system is designed to be less invasive than the Exterior method. There are times when the exterior method makes sense, like if the basement is finished and can not be undone, then the exterior is a good option, but the same goes for if you have nice landscaping and fixtures on the exterior then you want to move towards the system on the interior. We will help you determine which one is best through our full evaluation process.

Find Your Local Team

Two offices in North Kansas City and Grandview. Serving homes across the Kansas City metro and surrounding Missouri and Kansas communities.

All regionsHover, tap or focus a county to see its name.

Highlighted counties contain assigned service ZIP codes. We confirm service and project scope at your address.

Basement Waterproofing in Kansas City

Floor Cracks

Musty Smells

Mold Formation

Water Seepage & Flooding

Water Around the Foundation

Water at Walls, Cracks & Floor Joints

Moisture in the Basement Air

Interior Drainage Systems

Interior Basement Waterproofing

Sump Pump Systems

Crack Injection for Interior

Basement Dehumidifiers

Stone Foundation Interior Drain System

Exterior Waterproofing System

Exterior Crack Injection System

Downspout Extensions and Exterior Grading

Gutter Covers

Exterior French Drain Systems

Inspection

Appointment

Quality Assurance

Annual Checkups

What our customers say.

Why Choose KC Waterproofing

Lifetime transferable warranty.

Your money is never at risk.

Five-star service guarantee.

What Will Your Repair Cost?

Fair & honest pricing.

Can you waterproof a basement from the inside?

How much does it cost to waterproof a basement in Kansas City?

Does KC Waterproofing offer a warranty on basement waterproofing?

Can you do both interior and exterior basement waterproofing?

Foundation repair

Crawl space repair

Concrete leveling

Find Your Local Team