JLB Foundation Repair & Basement Waterproofing in Mission
Serving Mission and Johnson 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 Mission?
Mission is a close-knit community of about 10000 in Johnson County. The homes here may not number in the tens of thousands, but they sit on the same aggressive clay soil that affects the entire Kansas City region — and they face the same foundation and waterproofing challenges as any home in the metro.
The housing in Mission spans multiple eras: Established inner-ring suburb; predominantly mid-century Cape Cod and ranch-style homes built in the 1940s-60s. That range means you'll find concrete block basement, poured concrete basement foundations across different neighborhoods. As an older suburb, many Mission homes have aging block walls that are reaching the end of their lifecycle and showing signs of lateral shift.
Highly developed, dense urban layout; relatively flat with engineered drainage. The flat terrain means water doesn't naturally drain away from foundations — it pools and presses. JLB provides 5 specialized services to Mission homeowners: foundation repair, waterproofing, crawlspace encapsulation, drainage solutions, and concrete leveling. Every job starts with a free inspection and an honest assessment — no pressure, no obligation.
Mission at a Glance
Where Does JLB Serve in Mission, KS?
JLB provides foundation repair and waterproofing throughout Mission and the surrounding Johnson County area. Our crews know every part of this community.
What Foundation Types Are Common in Mission?
The homes in Mission sit on a range of foundation types, each with its own vulnerabilities. Here's what our crews see most often in Johnson County.
Concrete block basement
Concrete block basements in Mission use hollow-core masonry that's inherently weaker than poured concrete under lateral loads. The expansive clay in Johnson County presses against these walls every wet season, and over time the cumulative stress shows up as cracking, bowing, or step-pattern fractures.
Poured concrete basement
Poured concrete basements in Mission are the most common type across Johnson County. They handle the clay soil better than block, but lateral pressure still creates vertical and diagonal cracks — especially near corners and window wells where the wall is weakest. Catching these early prevents water infiltration.
What Warning Signs Should Mission Homeowners Watch For?
Catching foundation and waterproofing problems early saves thousands of dollars in repairs. If you see any of these in your Mission home, it's time to call for a free inspection.
Stair-step or horizontal cracks in Mission's block basement walls — a sign of lateral clay pressure pushing inward
Learn about Foundation Repair →Water wicking through hollow-core block walls or seeping at the floor-wall joint — Mission's block basements are prime targets when Johnson County's soil becomes saturated
Learn about Waterproofing →Musty odors, mold, or sagging floors above crawlspaces — in Mission'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 Mission homes
Learn about Foundation Repair →Who Is the JLB Team Serving Kansas City?
Numbers That Speak for Themselves
Cracks in Your Mission Basement Walls?
The concrete block foundations common in Mission develop predictable crack patterns under years of clay pressure. A free inspection from JLB identifies the cause and gives you a clear plan — before the cracks become a structural issue.
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 Mission Homeowners Choose JLB?
Licensed in Kansas & Missouri
JLB holds licenses in both Kansas and Missouri. For Mission homeowners in Johnson County, we handle every permit application, schedule inspections, and ensure your project meets local codes — from first filing to final sign-off.
Dedicated Crew, Start to Finish
In Mission, you get the same team from the first inspection through the final walkthrough. No subcontractors, no handoffs between crews. One team that knows your project inside and out.
Concrete block Experience
Mission's concrete block 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.
Straightforward Pricing
We give Mission homeowners a clear written estimate with no hidden costs. If financing helps, we have flexible plans available — but either way, you'll know exactly what the project costs before we start.
What Mission ZIP Codes Does JLB Serve?
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 Mission — FAQ
The most common issues we see in Mission are wall cracks (stair-step and horizontal patterns in block walls), basement water intrusion, uneven or settling floors, and doors or windows that stick. As an older suburb, many Mission homes have aging block walls that are reaching the end of their lifecycle and showing signs of lateral shift. All of these trace back to how Johnson County's expansive clay interacts with the specific foundation types in your neighborhood.
Foundation problems in Mission correlate with housing age and foundation type more than specific neighborhoods. Areas with Established inner-ring suburb housing tend to have the most issues because those foundations have endured decades of Johnson County's clay pressure. That said, Johnson County's soil affects the entire city — we've done work in virtually every part of Mission.
Johnson County's expansive clay undergoes dramatic volume changes with moisture. When wet, it swells and pushes against foundation walls with thousands of pounds of lateral force. When dry, it contracts and creates voids beneath footings. Highly developed, dense urban layout; relatively flat with engineered drainage. This endless cycle causes progressive damage that compounds year after year if not addressed.
Foundation repair costs in Mission 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 Mission 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 Mission home and examines the foundation inside and out — checking for cracks, wall movement, floor levelness, moisture, and drainage. For concrete block basement foundations common in Johnson 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.
Get Your Mission Block Foundation Checked
Block foundations in Mission develop predictable problems under Johnson County's clay pressure. Fill out the form for a free inspection — we'll check for bowing, cracking, and water intrusion, then give you a clear plan.
Get Your Free Inspection
Takes 30 seconds. We'll call within 24 hours.
Thank You!
We received your request. A foundation specialist will contact you within 24 hours to schedule your free inspection.
Our Locations
We're always close enough to help — our crews are local to your area.
JLB Foundation Repair & Basement Waterproofing — Leawood
10308 State Line Rd Suite 300Leawood, KS66206(816) 656-6835 View on Google Maps
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.