Foundation Repair & Basement Waterproofing in Hancock County, Iowa

Name: JLB Basement Waterproofing & Foundation Repair
Address: 97 Indiana Ave Suite #1, Des Moines, IA, 50314, US
Telephone: (515) 717-8560
Price range: $$

Hancock County holds the headwaters of both the Iowa River and the East Fork of the Winnebago River, and the homes built across that wet, clay-heavy ground need foundation repair and basement waterproofing that account for it. JLB brings all three to Garner and the surrounding towns.

4.9(100+ reviews)

11+ Years in Business

Locally Owned & Operated

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Des Moines
(515) 717-8560

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Get a precise analysis of your foundation and waterproofing situation, and a clear estimate on what any fixes or corrections might cost.

4.9★ (100+ reviews) · 11+ Years · Transferable Warranty

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4.9(100+ reviews)

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Serving Hancock County

Foundation Repair & Basement Waterproofing Across Hancock County, Iowa

From the truck-body plants and wind-farm country around the county seat of Garner to the tight-knit streets of Kanawha, Hancock County sits on Des Moines Lobe glacial till that holds water and shifts with the freeze-thaw seasons of north-central Iowa. That combination is exactly why local homeowners turn to JLB for foundation repair and basement waterproofing they can count on. We work throughout the county, including Garner and Kanawha, with crews who understand how this ground behaves through wet springs and hard winters.

Towns we serve in Hancock County: Kanawha.

Foundation & Waterproofing

Foundation Repair, Basement Waterproofing & Crawlspace Services in Hancock County, Iowa

One local crew handles the whole structural side in Hancock County — piering, waterproofing, crawlspace encapsulation, drainage, and wall replacement. Here's how we fix each:

Steel push pier foundation stabilization in Hancock County, Iowa

Foundation Repair in Hancock County

Foundations across Hancock County rest on Des Moines Lobe glacial till that swells when the spring melt soaks in and shrinks during dry summer stretches, and that constant push and pull is what cracks block walls and settles footings. JLB stabilizes settling homes with steel push and helical piers driven to load-bearing strata, and reinforces bowing walls with carbon-fiber straps or wall anchors. Every repair starts with a free inspection so the fix matches the actual movement, not a guess.

Steel push piers and helical piers driven to stable load-bearing soil
Wall anchors and carbon-fiber straps for bowing or cracked walls
Engineered, permanent fixes — not surface patches
Transferable warranty and a free, no-pressure inspection

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Basement Waterproofing in Hancock County

Because so much of Hancock County sits near the Iowa and Winnebago river headwaters, the water table stays high and basements take on seepage faster than homeowners expect. JLB installs interior perimeter drain tile, reliable sump systems with battery backup, and wall vapor barriers that route water away before it reaches the living space. The goal is a basement that stays dry through snowmelt and the heaviest June storms.

Interior drain tile and sump systems sized for Iowa’s water table
Crack injection and wall-to-floor joint sealing
Vapor barriers and dehumidification to stop musty air and mold
Keeps the lower level permanently dry, backed in writing

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Crawlspace encapsulation with vapor-barrier liner in Hancock County, Iowa

Crawlspace Encapsulation in Hancock County

Crawlspaces under older homes around Garner and Kanawha trap the damp that rises out of clay soil, breeding mold and rot that work their way up into the floor framing. JLB seals the space with a heavy-duty vapor barrier and, unlike contractors who treat only one area, spray foams both the crawlspace and the basement for twice the protection at a lower combined cost. The result is drier air, lower heating bills, and framing that lasts.

Spray-foams BOTH the crawlspace AND the basement — twice the protection
Sealed vapor-barrier liner over floor and walls
Cuts humidity, mold, and energy loss from the stack effect
Done for less than competitors who seal only one or the other

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French drain trench with gravel and drain pipe in Hancock County, Iowa

French Drains & Drainage in Hancock County

Flat farm-country terrain and slow-draining till mean rainwater tends to pool against Hancock County foundations instead of running off. JLB installs exterior French drains, regrades problem yards, and extends downspouts to carry water well clear of the home. Pairing surface drainage with the right discharge point is what keeps the soil around a foundation from staying saturated season after season.

French drains, regrading, and buried downspout extensions
Redirects surface and groundwater away from the foundation
Relieves the hydrostatic pressure that cracks walls and floors
Built for Iowa freeze-thaw and heavy spring snowmelt

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Foundation Wall Replacement in Hancock County

When a basement wall in an older Hancock County home has bowed past the point that straps or anchors can save, full replacement is the honest answer. JLB removes the failed section, excavates and corrects the backfill drainage that caused it, and rebuilds with poured concrete or reinforced block engineered for this region's heaving clay. We brace the structure throughout so the home stays safe during the rebuild.