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Licensed & Insured 11+ Years in Business Locally Owned & Operated

Basement Waterproofing

Your home is showing the signs. Cracks spreading, floors dipping, doors that won't close right. These problems don't fix themselves — they get worse. We stop the damage and restore structural stability with engineered solutions built to last.

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KS, MO & IA
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Why Can't Basement Waterproofing Wait?

You've noticed the cracks. Maybe they started small — a hairline fracture above a door, a subtle gap where the wall meets the ceiling. But they're getting wider. The floors feel uneven. Something is off, and you know it.

The soil beneath your foundation is moving. In Kansas City, the heavy Wymore-Ladoga clay expands when it rains and contracts during droughts. In Des Moines, glacial till and loess deposits create a different but equally damaging cycle of swell and shrink. Every season, the soil pushes and pulls your foundation — and the damage compounds.

A foundation problem that costs $4,000 to fix today can easily become a $15,000 emergency in two years. The cracks widen, the settlement deepens, and eventually the damage spreads to framing, plumbing, and drywall throughout the home. The earlier you act, the less it costs and the better the outcome.

JLB Foundation Repair uses engineered solutions — steel push piers driven to bedrock, wall anchor systems, structural crack injection — to stop the damage permanently. We don't patch. We don't guess. We diagnose the problem, engineer the fix, and stand behind it with a transferable warranty.

Interior basement waterproofing system with drainage channels and sump pump
VERIFIED · LICENSED · TRUSTED BY KANSAS CITY & DES MOINES HOMEOWNERS
2,000+
Homes Restored
11+
Years in Business
A+
BBB Rating
100%
Locally Owned

What Does It Cost to Delay Foundation Repair?

Foundation damage doesn't plateau. It accelerates. Here's what the data shows about homes where foundation issues go unaddressed:

3x
Repair costs triple on average when homeowners wait more than 2 years to act
10-15%
Home value loss from visible foundation damage at the time of sale
85%
Of foundation problems in the Midwest are caused by soil movement — not defective concrete
1-3 Days
Typical repair timeline — most jobs are done before you've finished deciding

What Are the Warning Signs You Need Basement Waterproofing?

If you see any of these, your foundation is telling you something. Don't ignore it.

Water Seeping Through Wall Cracks

Active water intrusion through foundation cracks. Every rain event pushes more water in, and the cracks widen over time.

Damp, Stained, or Wet Walls

White mineral deposits (efflorescence), dark stains, or walls that are damp to the touch. Water is migrating through your foundation constantly.

Musty, Moldy Smell

If you can smell it, mold is already growing. That musty odor means moisture has been present long enough to colonize — and it's in the air your family breathes.

Standing Water or Puddles After Rain

Water pooling on the basement floor means groundwater is overwhelming your foundation. Without intervention, every storm is a flood event.

Sump Pump Running Constantly or Failed

A sump pump that runs nonstop is fighting a losing battle. One that's failed means your basement has zero flood protection right now.

Peeling Paint or Bubbling Walls

Hydrostatic pressure is pushing moisture through the concrete itself. The paint is the least of your problems — the concrete is saturated.

How Does JLB Fix Foundation Problems Permanently?

Interior Drainage Systems

A perimeter drain channel installed inside the basement floor, capturing water before it pools. Directs everything to the sump system — quietly and permanently.

Sump Pump Installation & Upgrade

High-capacity sump systems with battery backup. When the power goes out during a Kansas City storm, your basement stays protected.

Foundation Crack Injection

Epoxy and polyurethane injection seals active wall cracks from the inside out. Stops water at the point of entry and reinforces the concrete.

Vapor Barriers & Wall Protection

Interior wall membranes capture seepage and direct it to the drainage system. Keeps your basement walls dry and ready to finish.

Complete System Design

Every basement is different. We assess water entry points, soil conditions, and drainage needs to design a system that solves your specific problem.

What Causes Basement Water Problems?

5 Most Common Basement Water Entry Points

Water Table 1 Floor-Wall Joint (Cove Joint) - #1 Entry Point 2 Window Wells Water pools and seeps in 3 Pipe Penetrations Gaps around utility lines 4 Wall Cracks Vertical or diagonal cracks 5 Floor Cracks Water pushes up from below ! The #1 water entry point is the floor-wall joint (cove joint). Hydrostatic pressure forces water through the gap where the floor meets the wall.

The Cost of Waiting: Foundation Damage Over Time

YEAR 1 YEAR 2-3 YEAR 4-5 EARLY STAGE SPREADING CRITICAL $2K-$5K $8K-$12K $15K to $25K CRACKS APPEAR Hairline cracks, minor settling. Straightforward repair. DAMAGE SPREADS Cracks widen, walls bow, water enters. Multiple repair methods needed. STRUCTURAL FAILURE Major structural damage. Extensive piering, wall replacement, waterproofing. 3x 5x The average homeowner saves 60-70% by acting in Year 1 ACT NOW DANGER ZONE REPAIR COST $0 $10K $15K $25K

Understand What's Happening
Under Your Home

You don't need to be an engineer to understand your foundation. Here's what every homeowner should know — in plain English.

01
LOAD FOUNDATION
The hidden system holding your house up

How Your Foundation Works

Your foundation does one job: transfer the weight of your entire house into the ground. In Kansas City and Des Moines, that ground is heavy clay soil — and clay moves. It swells when wet, shrinks when dry, and pushes laterally against basement walls during freeze-thaw cycles. When the soil shifts, your foundation has to absorb that stress. Over time, something gives.

An average 2-story home puts 30,000+ lbs of load on its foundation
KC clay soil can expand up to 10% when saturated
Most foundation problems develop slowly over 5-15 years
02
WET SOIL (EXPANDED) DRY SOIL (CONTRACTED) VOID / GAP WALL
It's almost always the soil — not the concrete

Why Foundations Fail

Concrete is strong. Soil is not. When the soil under or around your foundation changes volume — from rain, drought, freeze-thaw, or poor drainage — it creates uneven pressure. One side settles. Walls bow inward. Cracks spread. The foundation itself usually isn't defective. The ground it's sitting on just stopped doing its job.

Hydrostatic pressure can exert 500+ lbs per sq ft against basement walls
A 1-inch gap under a footing can cause visible cracking within months
Seasonal soil movement in the Midwest is among the worst in the U.S.
03
WATER TABLE CRACK COVE JOINT WICKING BASEMENT
Three paths — and none of them fix themselves

How Water Gets Into Your Basement

Water enters basements through three main paths: through cracks in walls or floors (the most obvious), through the joint where the wall meets the floor (called the cove joint — the most common), and through porous concrete itself (wicking). All three are caused by hydrostatic pressure — groundwater pushing against your foundation from the outside. No amount of sealant paint fixes this. You need to manage the water with an interior drainage system and sump pump.

The cove joint is the #1 source of basement water intrusion
A single inch of rain on a 1,000 sq ft roof produces 620 gallons of runoff
Basement humidity above 60% creates ideal conditions for mold growth
04
HOUSE FOOTING PUSH PIER PUSH PIER STABLE SOIL / BEDROCK LIFT & STABILIZE
Engineered solutions — not band-aids

How Foundation Repairs Actually Work

Modern foundation repair isn't guesswork. Push piers are steel shafts driven through unstable soil until they hit load-bearing bedrock or stable strata — then hydraulic jacks transfer your home's weight onto them. Helical piers screw into the ground like giant anchors. Wall anchors counter lateral pressure from expanding soil. When a wall has bowed too far or shifted off its footing, foundation wall replacement rebuilds it from scratch with reinforced concrete. These are engineered systems rated for specific load capacities, and they come with transferable warranties.

Push piers can be driven 20-30 feet deep to reach stable soil
Most pier installations are completed in 1-3 days
Foundation repairs can restore up to 95% of original structural integrity

Not Sure What You're Dealing With?

Our inspectors assess your foundation in person, explain what they find, and give you a written estimate — all free, no pressure.

Get a Free Inspection

Four Steps to a Dry Basement

From "I dread every rainstorm" to "I forgot it used to leak" — here's how we get you there.

1

Water Source Inspection

We identify exactly where and how water enters your basement — cracks, joints, floor seepage, or wall migration. No guessing, just answers.

2

Custom Waterproofing Plan

Based on your water entry pattern and soil conditions, we design a system that addresses every vulnerability. You'll know the full scope before we start.

3

System Installation

Our crew installs your drainage, sump, and sealing systems. Most waterproofing projects complete in 2–4 days with minimal disruption to your home.

4

Dry Basement — Guaranteed

Your basement stays dry through every storm. We stand behind our work with a warranty because we know the system works.

Not Sure What You're Dealing With?

Click any symptom below to learn what it means, what's likely causing it, and how we can help. Most of these are more common — and more fixable — than you'd think.

Real Projects. Real Results.

Every photo is from an actual JLB job site — not a stock photo. See the work we do every day across Kansas City and Des Moines.

Egress Window Install — Kansas City, MO
Foundation Repair
Egress Window Install
Kansas City, MO
Interior Drainage System — Overland Park, KS
Waterproofing
Interior Drainage System
Overland Park, KS
ICF Foundation Pour — Des Moines, IA
Foundation Repair
ICF Foundation Pour
Des Moines, IA
Exterior Foundation Dig — Ankeny, IA
Foundation Repair
Exterior Foundation Dig
Ankeny, IA
Vapor Barrier + Drain — Lee's Summit, MO
Waterproofing
Vapor Barrier + Drain
Lee's Summit, MO
Excavation & Piering — Blue Springs, MO
Foundation Repair
Excavation & Piering
Blue Springs, MO

What Do Homeowners Say About JLB?

★★★★★

"We had water coming in every single time it rained. JLB installed an interior drainage system and sump pump — haven't seen a drop since. We finally finished the basement and it's been bone dry through two years of Kansas City storms."

Chris & Amanda B. Shawnee, KS
★★★★★

"Our sump pump died during a spring storm and the basement flooded. JLB replaced the entire system with a high-capacity pump and battery backup. We've had zero issues since, even during power outages."

Paul G. Lenexa, KS
★★★★★

"The musty smell was so bad we couldn't use the basement at all. JLB found water seeping through multiple wall cracks, injected them, and installed a drainage system. The smell is gone and the basement is dry."

Sandra M. Liberty, MO
★★★★★

"Every spring when the snow melted, our basement would flood. JLB installed a full interior drainage and sump system. We've been through two Iowa springs since — completely dry. It's like a different house."

Matt & Kelly S. Altoona, IA
★★★★★

"We were worried about mold after finding standing water in the basement. JLB waterproofed the whole space, sealed the cracks, and installed a dehumidifier with the sump system. Air quality in the whole house improved."

Diane W. Indianola, IA
★★★★★

"We almost lost our finished basement to water damage twice. JLB installed an interior drain system and upgraded our sump pump with battery backup. Haven't had a single issue since — even during the heavy rains last spring."

Jason & Megan T. Des Moines, IA

Basement Waterproofing FAQ

Costs vary based on the extent of damage, the type of repair needed, and your home's foundation type. Most foundation repair projects in the Kansas City and Des Moines metros range from $3,000 to $15,000. We provide free inspections with a detailed, written estimate — no surprises.

Most residential foundation repairs are completed in 1 to 3 days. Larger projects or those requiring extensive piering may take up to 5 days. We give you a clear timeline before work begins.

Yes. We offer flexible financing options to make foundation repair affordable. Ask about our payment plans during your free inspection.

We keep disruption to a minimum. Most pier installations require small access holes that we backfill and restore. We treat your property with care and clean up thoroughly after every job.

Common warning signs include cracks in walls or ceilings, doors and windows that stick, uneven or sloping floors, gaps between walls and ceiling, and visible cracks in exterior brick. If you see any of these, schedule a free inspection.

Most homeowners insurance policies do not cover foundation settlement or soil movement. However, some policies cover sudden structural failures caused by plumbing leaks or other covered events. We recommend checking with your insurance provider.

Ready to Fix It? Start Here.

A 45-minute inspection tells you exactly what's going on with your foundation — and exactly what it costs to fix. No obligation. No pressure. Just answers from a licensed structural specialist.

Honest assessment — we tell you what we find, even if it's nothing
Written estimate with photos, measurements, and a clear scope of work
Financing options available — flexible plans to fit your budget

Get Your Free Inspection

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Kansas City Metro Offices

Three locations serving the entire KC metro. We come to you.

JLB Foundation Repair & Basement Waterproofing — Kansas City

111 NE 72nd St Ste 111
Kansas City, MO64119
(816) 656-6835 View on Google Maps

JLB Foundation Repair & Basement Waterproofing — Leawood

10308 State Line Rd Suite 300
Leawood, KS66206
(816) 656-6835 View on Google Maps

JLB Foundation Repair & Basement Waterproofing — Kearney

24011 State Rte 92
Kearney, MO64060
(816) 656-6835 View on Google Maps

Des Moines Metro Offices

Three locations across central Iowa. We come to you.

JLB Basement Waterproofing & Foundation Repair — Des Moines

97 Indiana Ave Suite #1
Des Moines, IA50314
(515) 444-9234 View on Google Maps

JLB Basement Waterproofing & Foundation Repair — Van Meter

325 Grand St
Van Meter, IA50261
(515) 444-9234 View on Google Maps

JLB Basement Waterproofing & Foundation Repair — Boone

2041 Knezevich Rd
Boone, IA50036
(515) 444-9234 View on Google Maps

Stop the Damage. Get Answers Today.

A free inspection takes 45 minutes and tells you exactly what's going on — and exactly what it takes to fix it. Call KC at (816) 656-6835 or DSM at (515) 444-9234.

(816) 656-6835 Kansas City (515) 444-9234 Des Moines