JLB Foundation Repair & Basement Waterproofing in Kansas City
Serving Kansas City and Jackson County with 5 specialized foundation and waterproofing services. Local expertise. Permanent solutions. Free inspections.
Solutions That Last the Life of Your Home
Every foundation problem has a permanent fix. We use engineered systems — not quick patches — backed by transferable warranties and decades of field experience.
Foundation Repair
Steel push piers and wall anchors to stabilize and lift settling foundations. Stop the cracks, level the floors, save the home.
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Basement Waterproofing
Interior drainage systems, sump pumps, and vapor barriers to keep your basement permanently dry. No more water. No more worry.
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Crawlspace Encapsulation
Full encapsulation with spray foam for BOTH crawlspace and basement — twice the protection competitors offer, at a lower cost.
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Polyjacking / Concrete Leveling
Lift and level sunken driveways, patios, sidewalks, and garage floors with polyurethane foam injection. Fast, clean, long-lasting.
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French Drains & Drainage
French drains, extended downspouts, regrading, and drain pipes to redirect water away from your foundation permanently.
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Foundation Wall Replacement
Complete removal and reconstruction of severely damaged foundation walls with new reinforced concrete, drainage, and waterproofing.
Learn MoreWhat Foundation and Waterproofing Services Are Available in Kansas City?
Kansas City is one of the Kansas City metro's largest communities, with nearly 509000 residents and a housing stock that tells the story of decades of growth. The stone and limestone foundations common in older neighborhoods have been fighting Jackson County's clay soil for generations — and that fight leaves marks.
Kansas City's growth pattern — Diverse: 1900s-1940s in the urban core (Brookside/Waldo) — shaped the foundation types you'll find throughout the city. Stone foundation, Concrete block basement, Poured concrete basement are the most common, built during an era when construction prioritized speed and affordability. Kansas City's clay and high water table create extreme hydrostatic pressure. Older limestone foundations in the urban core are prone to mortar degradation and bowing.
Rolling hills near the Missouri River; heavy clay soil with extreme seasonal moisture variation. Proximity to water means higher water tables and more hydrostatic pressure on foundations. JLB provides 5 specialized services to Kansas City homeowners — from foundation stabilization to drainage systems — each designed for the unique soil and moisture conditions here. Every job begins with a free inspection.
Kansas City at a Glance
Where Does JLB Serve in Kansas City, MO?
JLB provides foundation repair and waterproofing throughout Kansas City and the surrounding Jackson County area. Our crews know every part of this community.
What Foundation Types Are Common in Kansas City?
The homes in Kansas City sit on a range of foundation types, each with its own vulnerabilities. Here's what our crews see most often in Jackson County.
Stone foundation
Kansas City's oldest homes often sit on limestone or stone foundations — hand-laid masonry that predates modern engineering. These walls are porous, the mortar is lime-based, and decades of Jackson County's clay pressure have taken a toll. Water intrusion, mortar deterioration, and inward leaning are common.
Concrete block basement
Concrete block foundations are common in Kansas City's 1950s-1980s era homes. After decades of lateral pressure from expanding clay, the mortar joints weaken and walls begin to bow inward. Horizontal cracks near the midpoint of the wall are the classic warning sign — and they need professional attention before the wall fails.
Poured concrete basement
Poured concrete basements from Kansas City's postwar building boom have had 40-70 years of Jackson County's clay pressing against them. Even solid poured walls develop cracks over that timespan — vertical fractures near corners and horizontal stress lines that indicate sustained lateral pressure from the soil.
What Warning Signs Should Kansas City Homeowners Watch For?
Catching foundation and waterproofing problems early saves thousands of dollars in repairs. If you see any of these in your Kansas City home, it's time to call for a free inspection.
Cracks along mortar joints in Kansas City's older stone foundations, where decades of soil movement have weakened the original masonry
Learn about Foundation Repair →Water seeping through porous stone walls or mortar joints — common in Kansas City's older homes during spring rains and snowmelt
Learn about Waterproofing →Musty odors, mold, or sagging floors above crawlspaces — in Kansas City's low-lying areas, ground moisture rises into the crawlspace and affects the entire home
Learn about Crawlspace Encapsulation →Doors, windows, or cabinets that stick, jam, or don't close properly — a common sign of foundation movement in Kansas City homes
Learn about Foundation Repair →Who Is the JLB Team Serving Kansas City?
Numbers That Speak for Themselves
If Your Kansas City Home Was Built in the '50s-'80s, the Foundation Needs Checking
Postwar construction methods prioritized speed — and the foundations show it after decades of Jackson County's clay pressure. Cracks, bowing walls, and wet basements are all signs it's time for a professional assessment. Our inspections are free.
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.
Diagonal, stair-step, or horizontal cracks in drywall, plaster, or brick usually trace back to soil movement beneath your foundation. The heavy clay soils in the Kansas City and Des Moines metros expand and contract seasonally, which can shift your foundation over time. The good news: this is very fixable with the right approach.
Water entering through floor joints, wall cracks, or seeping through porous concrete means groundwater pressure is pushing moisture into your basement. An interior drainage system and sump pump can solve this permanently — and we can usually have it done in a day or two.
When a foundation settles unevenly, it can shift your home's frame just enough to make doors and windows bind. This is one of the earlier signs of foundation movement — and catching it early often means a simpler, less expensive repair.
That musty smell is moisture. Up to 40% of the air in your home rises from below — from your crawlspace and basement. If there's excess humidity down there, it affects your whole home. Encapsulation seals it out, and you'll notice the difference in your air quality right away.
Floors that slope toward the center or an exterior wall usually mean the support structure underneath needs attention. Push piers can stabilize your foundation and often lift it back to level — giving your floors a second life.
When soil washes out or compacts beneath a concrete slab, the slab drops and becomes uneven. Polyjacking uses expanding polyurethane foam to fill the void and lift the concrete back to grade — usually in under a day, with no heavy equipment needed.
Water collecting near your foundation means your grading or drainage isn't directing water away effectively. French drains, regrading, extended downspouts, and drain pipes can redirect water away from the house — protecting your foundation for the long haul.
A basement wall that has bowed more than 2 inches inward, shifted off its footing, or shows multiple structural cracks may have moved beyond what bracing can fix. When carbon fiber straps, I-beams, or wall anchors are not enough, the wall needs to be removed and rebuilt with reinforced concrete. This is the last resort — but it is the permanent fix when the wall itself is compromised.
Why Do Kansas City Homeowners Choose JLB?
Jackson County Permits Handled
Structural foundation work requires permits in Jackson County, and we manage the entire process. Applications, inspections, compliance documentation — our crews have worked with the local building department for years and know the process cold.
Fast Response Across Kansas City
With offices throughout the Kansas City metro, our crews reach every corner of Kansas City quickly. For a community of nearly 509000 residents, responsiveness matters — and we're typically on-site for inspections within a few days of your call.
Stone and limestone Experience
Kansas City's stone and limestone foundations require specific repair techniques that differ from modern poured concrete. Our crews are trained in wall stabilization, pier installation, and masonry-specific methods designed for these older construction types.
Financing Options Available
Foundation problems only get more expensive the longer they go unaddressed. We offer flexible payment plans so Kansas City homeowners can act on the problem now — before another season of soil movement makes the repair larger and costlier.
What Kansas City ZIP Codes Does JLB Serve?
Which Neighborhoods Does JLB Serve in Kansas City?
Kansas City's neighborhoods sit on varied terrain, which means different homes face different drainage and soil pressure challenges. Our crews adjust their approach based on the specific conditions in each neighborhood.
What Our Customers Say
"We had cracks running up our walls and doors that wouldn't close. JLB came out, explained exactly what was happening with the soil under our house, and had the piers installed in two days. Floors are level again. Wish we hadn't waited so long."
"Three other companies gave us the runaround. JLB showed up, did a thorough inspection, and gave us a straight answer. The repair held up through an entire Missouri winter with zero new cracking."
"Our crawlspace was a mess — moisture, mold, the works. JLB encapsulated it AND spray-foamed our basement in the same project. The difference in our home's air quality is incredible. Great value for the price."
Real Team. Real Work.
Right Here in Kansas City & Des Moines.
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.
Foundation Repair in Kansas City — FAQ
The most common issues we see in Kansas City are wall cracks (mortar deterioration and inward leaning in stone walls), basement water intrusion, uneven or settling floors, and doors or windows that stick. Kansas City's clay and high water table create extreme hydrostatic pressure. Older limestone foundations in the urban core are prone to mortar degradation and bowing. All of these trace back to how Jackson County's expansive clay interacts with the specific foundation types in your neighborhood.
Many of Kansas City's homes date to the Diverse: 1900s-1940s in the urban core (Brookside/Waldo) and sit on stone and limestone foundations. These older construction methods are more susceptible to Jackson County's clay pressure than modern poured concrete. However, they're absolutely worth repairing — modern engineering solutions like push piers, wall anchors, and carbon fiber reinforcement can stabilize and extend the life of these foundations for decades.
Yes. Rolling hills near the Missouri River; heavy clay soil with extreme seasonal moisture variation. Higher water tables mean more persistent hydrostatic pressure against basement walls, and clay soil near waterways stays saturated longer. Kansas City homes in low-lying areas or near creeks often face more severe waterproofing challenges than homes on higher ground.
Foundation repair costs in Kansas City vary widely based on the scope of damage and the solution needed. Minor crack repairs may cost $500-$2,000. Pier installation for settling foundations typically ranges from $5,000-$15,000. Full waterproofing systems run $3,000-$12,000. We provide free inspections with detailed, written estimates — no surprises and no pressure.
JLB provides 5 services to Kansas City homeowners: foundation repair (push piers, wall anchors, carbon fiber), basement waterproofing (interior drainage, sump pumps, crack injection), crawlspace encapsulation (spray foam + vapor barriers for both crawlspace and basement), polyjacking for sunken concrete, and French drain installation with grading and downspout work. Every service starts with a free inspection.
A JLB technician visits your Kansas City home and examines the foundation inside and out — checking for cracks, wall movement, floor levelness, moisture, and drainage. For stone foundation foundations common in Jackson County, we look for the specific failure patterns associated with that construction type. The inspection takes about 45 minutes and ends with a clear explanation of what we found, what (if anything) needs repair, and exactly what it costs. There's no obligation.
Ready to Solve Your Kansas City Foundation Problem?
The foundations in Kansas City's postwar-era homes have decades of soil pressure behind them. Fill out the form for a free inspection — we'll evaluate the damage and explain your options clearly.
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Our Locations
We're always close enough to help — our crews are local to your area.
JLB Foundation Repair & Basement Waterproofing — Kansas City
111 NE 72nd St Ste 111Kansas City, MO64119(816) 656-6835 View on Google Maps
Stop the Damage. Get Answers Today.
A free inspection takes 45 minutes and tells you exactly what's going on under your house — and exactly what it takes to fix it.