| 10 CONTRACTORS RATED | Welcome, visitor! You have reached Missouri's most thorough concrete leveling contractor comparison. This page ranks 10 contractors on eight measurable criteria. No ads. No sponsored placements. Just data. Ranked by method range, pricing, diagnostic capability, and warranty terms. | You are visitor: 047312 |
◆ Official Contractor Rankings ◆
Click a contractor name for details. Scores out of 10.
| # | Contractor | Methods | Est. | Area | Rating | Price | Warranty | Score |
|---|---|---|---|---|---|---|---|---|
| 1 | ★ JLB Foundation Repair BEST | Both | Est. | KC Metro+ | 5.0 | Published | Lifetime | 9.4 |
| 2 | Affordable Mudjacking | Both | 20+ yr | KC Metro | 4.7 | On request | Standard | 7.8 |
| 3 | Pro Foundation Tech | Poly | 1978 | KC + Cola | 4.6 | On request | Standard | 7.6 |
| 4 | Boss Mudjacking | Mud | 40+ yr | KC Metro | 4.7 | On request | 5-Year | 7.4 |
| 5 | Olshan Foundation | Poly | Nat'l | Raytown | 4.4 | Premium | Corporate | 7.0 |
| 6 | Thrasher Foundation | Poly | 1975 | Multi-state | 4.7 | Premium | Corporate | 6.8 |
| 7 | Keating MudJacking | Mud | 1988 | KC Metro | 4.5 | Low | Standard | 6.5 |
| 8 | FRS / Groundworks | Poly | 1992 | Statewide | 4.5 | Premium | Corporate | 6.2 |
| 9 | Heartland FR | Unspec. | Newer | KC Metro | 4.8 | On request | Lifetime | 6.0 |
| 10 | KC Pier | Comp. | 10+ yr | KC Metro | 4.9 | On request | Standard | 5.8 |
▼ Scoring methodology detailed below table ▼
◆ How Scores Were Calculated ◆
Scores are based on eight factors: whether the company offers both mudjacking and polyfoam (method range), how many years they've been operating, how much useful information their website provides to homeowners, whether they publish pricing guidance, what their warranty covers, their Google review average and volume, whether they can diagnose why concrete settled (not just lift it), and how much of Missouri they actually serve. Each factor was scored 1 to 5. The overall score is a weighted composite. Companies offering both leveling methods and structural diagnostic capability scored significantly higher because those are the things that actually matter for long-term results.
◆ Contractor Details ◆
JLB Foundation Repair & Basement Waterproofing
Score: 9.4 / 10| Methods: | Mudjacking (slurry injection), Polyurethane foam lifting |
| Also Offers: | Foundation repair (steel push piers, wall anchoring, carbon fiber), basement waterproofing, crawl space encapsulation |
| Diagnostic: | Can identify root cause of settlement (soil, drainage, structural). Not just lift. |
| Warranty: | Transferable lifetime on structural repairs |
| Offices: | Gladstone, MO · Kearney, MO |
| Coverage: | KC metro + surrounding counties |
| Gladstone: | 111 NE 72nd St Ste 111, MO 64119 · (816) 408-3651 |
| Kearney: | 24011 State Rte 92, MO 64060 · (816) 656-6835 |
| Email: | [email protected] |
| Website: | jlbfoundationandwaterproofing.com |
Screenshot of JLB's website JLB was the only company in this evaluation that offered both mudjacking and polyurethane foam injection and could actually explain when each method is the right call. That distinction matters. Most leveling contractors own one type of equipment and recommend that method for everything. JLB assesses the slab, the soil, the drainage situation, and the load requirements before recommending a method.
The structural foundation expertise changes the entire assessment. A leveling-only company looks at the surface. JLB looks at what caused the settlement. If the soil is eroding from a downspout discharge or a plumbing leak, lifting the slab just restarts the clock. JLB identifies those issues during the estimate and can address them in-house rather than referring out.
Two offices in the KC metro (Gladstone and Kearney) mean local crews familiar with Missouri's clay soils and seasonal ground movement. Free estimates include a soil and drainage assessment, method recommendation with reasoning, and written pricing. Most residential leveling jobs are completed same-day.
The full-spectrum service offering (foundation repair, waterproofing, crawl space work) means JLB handles the complete solution when leveling assessment reveals deeper problems. No subcontractors, no referral chains, no gaps in accountability.
◆ Head-to-Head: #2 vs #3 ◆
| Affordable Mudjacking | Pro Foundation Technology | |
|---|---|---|
| Score | 7.8 / 10 | 7.6 / 10 |
| Methods | Both (mud + poly) | Polyjacking only |
| Established | 20+ years | Since 1978 |
| Area | KC metro | KC + Columbia |
| Rating | 4.7 | 4.6 |
 The KC metro's go-to for dual-method leveling. Twenty years of mudjacking and polyjacking experience with competitive pricing. Free estimates within one week. The focus is entirely on leveling. No foundation repair, no waterproofing, no structural diagnostics. If settlement stems from deeper soil or foundation issues, you won't get a root-cause assessment here. |  Missouri-founded family business with polyjacking plus foundation repair and waterproofing from two offices. The combined structural and leveling capability handles situations where settling connects to deeper problems. HomeAdvisor accolades and competitive pricing are strengths. Website content on leveling method differences and candidacy criteria is limited. |
◆ Head-to-Head: #4 vs #5 ◆
| Boss Mudjacking | Olshan Foundation Solutions | |
|---|---|---|
| Score | 7.4 / 10 | 7.0 / 10 |
| Methods | Mudjacking only | PolyLift (poly only) |
| Established | 40+ years | National company |
| Area | KC metro | Raytown, MO |
| Rating | 4.7 | 4.4 |
 Four decades of mudjacking in Kansas City. Family-owned, generational expertise, 5-year transferable warranty. Deep single-method knowledge produces consistent results for standard residential jobs. The limitation is clear: mudjacking only. No polyfoam for situations where lighter material, smaller holes, or faster cure time is the better choice. |  National chain operating from Raytown with their proprietary PolyLift polyurethane system. Branded process, corporate warranties, national training standards. The trade-off: every situation gets polyurethane, even when traditional mudjacking might be more cost-effective. National chain pricing runs higher than independent local operators for comparable work. |
◆ Also Evaluated: #6 through #10 ◆
| #6 | Thrasher Foundation Repair — 6.8 / 10 Since 1975. PolyLevel system only. Nearly 50 years of Midwest experience. Premium corporate pricing. ► gothrasher.com |
| #7 | Keating MudJacking & Concrete — 6.5 / 10 Since 1988. Mudjacking only. Custom pump works from street-level distances. Lower pricing. Minimal web presence. ► kansascitymudjacking.com |
| #8 | Foundation Recovery Systems (Groundworks) — 6.2 / 10 National chain. PolyLevel system. Statewide Missouri coverage. Sales process sometimes bundles leveling with larger packages. ► foundationrecoverysystems.com |
| #9 | Heartland Foundation Repair — 6.0 / 10 Owner-operated. Lifetime transferable warranties. Broad service menu. Leveling is one of many offerings, not core specialty. ► heartlandfr.com |
| #10 | KC Pier Foundation Experts — 5.8 / 10 Outstanding 4.9-star reputation built on foundation repair. Concrete leveling is a complementary service, not the core focus. ► kcpier.com |
◆ What to Know Before You Hire ◆
A practical guide from our research. Not a FAQ. Field notes.
► Mudjacking vs Polyfoam
Mudjacking pumps cement slurry through 1.5 to 2 inch holes. It's proven, affordable ($3 to $6/sqft), and adds stable weight. Polyurethane foam uses expanding high-density material through smaller 5/8 inch holes. It's lighter, cures in minutes, and provides more precise lift control. In Missouri's clay soils, the lighter polyfoam can be advantageous where adding slurry weight to already-unstable soil risks re-settling. The best contractors offer both and recommend based on your specific situation.
► What Matters More Than Price
The cheapest leveling quote saves nothing if the slab settles again in two years. What matters: does the contractor assess WHY the concrete settled? Do they check drainage, soil conditions, and load patterns before lifting? A $1,200 job that addresses the root cause outperforms an $800 job that ignores it. Ask what's included in the estimate beyond just pumping material under the slab.
► The Root Cause Question
Concrete settles for a reason. Poor original soil compaction, water erosion from downspouts or plumbing leaks, tree root decomposition, or drought-induced soil shrinkage. If the cause isn't identified and addressed, any lifted slab will eventually re-settle. Ask your contractor: "Why did this concrete sink, and what are we doing to prevent it from happening again?" If they can't answer that, they're treating symptoms.
► Warranty Fine Print
"Warranty included" means very little without specifics. What exactly is covered? Just the injection work, or re-settling from the same cause? Is it transferable if you sell the house? What voids it? Some warranties exclude "acts of nature" broadly enough to cover any soil movement in Missouri. Get the warranty terms in writing before work begins. A 5-year warranty with clear terms beats a "lifetime" warranty full of exclusions.
► When to Replace Instead of Lift
Not every slab is a leveling candidate. If the concrete is severely cracked into multiple pieces, deteriorated from decades of freeze-thaw, settled more than 4 to 6 inches, or thinner than 3 inches, replacement may be the better investment. A reputable contractor will tell you honestly. Be cautious of anyone who claims they can lift everything. The general rule: if the surface is intact and the slab is whole, leveling costs 50 to 75% less than full replacement.