Driveways, walkways, patios, pool decks, and garage floors sink when the soil beneath them washes out or shrinks away. We lift the concrete you already own back to level.
A local specialist will evaluate your foundation, walk you through the findings, and send a clear estimate. No cost, no pressure.
Concrete does not sink on its own. It follows the soil underneath it, and across Southern California, Arizona, and Nevada that soil rarely holds still. Expansive clay swells with winter rain and shrinks through the long dry months. Runoff from a roof line, a cracked irrigation line, or an Arizona monsoon storm carries fines out from under a slab edge. Fill placed during construction compresses the first time it gets properly wet. Each of those leaves a void, and concrete is poor at bridging a gap, so the slab drops into whatever space the ground gives it.
Concrete leveling puts that slab back where it was poured, without tearing anything out. We drill holes about five eighths of an inch across through the low sections and inject a two part expanding polyurethane resin beneath them. The foam fills the void first, presses into the loose soil at its edges, and only then begins raising the concrete, in small shots with elevations checked between each one so the lift stops at grade rather than past it. The material reaches working strength in minutes, the holes are patched, and most surfaces are back in normal use the same day.
Weight is why we lift with foam. Cured polyurethane weighs roughly three to four pounds per cubic foot, against about 150 pounds per cubic foot for the cement slurry that traditional mudjacking pumps under a slab. Foam restores support without adding load to ground that already failed under the load it had, and it is water resistant, which matters when water is what caused the void. The umbrella term for lifting a slab with either material is slab jacking. Dalinghaus uses polyurethane, and the soil reading decides whether a lift is the right repair for your concrete.
We level driveways, sidewalks, patios, pool decks, garage floors, and settled steps for homeowners and commercial property owners across all three states. The symptom you noticed is usually enough to start the conversation: a driveway panel sitting low, a walkway lip that catches a toe, a pool deck pulling away from the coping, a garage floor parting company with the slab outside it. The rest of the patterns we see are collected on the concrete leveling problem signs page.
Lifting restores a sound slab to a failed base. It cannot restore a failed slab. Concrete broken into several small pieces no longer acts as a unit, so foam underneath pushes fragments around instead of raising a surface, and we say so in the written findings rather than sell a lift that will not hold. The opposite honest answer exists too: a thin, uniform hairline crack with no offset and no elevation change is usually curing shrinkage, which belongs with concrete repair and sealing rather than with a lift.
Dalinghaus Foundation Repair has completed more than 2,000 projects across California, Arizona, and Nevada since brothers Brian and Brad Dalinghaus founded the company in 2011. Every leveling project starts the same way: a free evaluation that measures elevations across the slab, traces the void, identifies what moved the soil, and puts the honest options in writing, including the option to measure again next season instead of repairing today.
Pick the symptom that best fits. We'll tell you what it likely means and where to go next.
Most concrete leveling problems start as small symptoms. Catching them early is the difference between a small, planned fix and a major reconstruction. These are the warning signs we see most often.
Dalinghaus installed the helical pile foundation and erected the structure for a solar canopy over a staff parking lot in Southern California, working in four phases so the lot stayed open.
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The back of an Irvine home had settled about 3 inches over roughly ten years. Ten helical piers went in over two days, and a 30 minute lift brought the back half of the home up 3 inches.
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A hillside home in Rancho Palos Verdes split in half as the ground slid toward the slope. Dalinghaus installed helical piers about 30 feet down to competent strata or bedrock beneath it.
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A beachside home in Rancho Palos Verdes settled 16 inches in a couple of months. Steel piers were driven to load bearing soil or bedrock at each excavated location, with a lift planned once they were in.
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A San Clemente hillside home had settled about 2 inches and was moving toward the slope behind it. Vertical helical piers and helical tieback anchors stabilized the home and recovered part of the drop.
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Two helical deck piers let a San Clemente hillside deck grow by about 12 feet, at a home Dalinghaus had lifted about 16 inches earlier.
Show projectDalinghaus Foundation Repair is locally owned and operated, with crews dedicated exclusively to foundation, concrete, and crawl space work across California, Arizona, and Nevada.
Foundation repair, concrete leveling, and crawl space repair are our entire focus. Not a sideline.
More than 2,000 projects on the clay and desert soils of California, Arizona, and Nevada since 2011.
CSLB License #983851 in California, ROC #330307 in Arizona, and License #0089738 in Nevada. Look us up with the state before we ever set foot on your property.
Warranty terms come in writing with every proposal, and the terms that apply to your job are stated in that job's paperwork. Ask your project specialist during the free evaluation.
Don't see your question here? Our team is happy to help. Reach out anytime.
Concrete leveling raises a sunken slab back to its original elevation by restoring the support underneath it, rather than removing and repouring the concrete. We drill small holes through the low sections, inject expanding polyurethane foam that fills the void and firms up the loose soil around it, and then lift the slab in controlled increments while watching the elevations. The holes are patched when the lift is finished.
Every step, from the free evaluation to the final elevation check.
A specialist measures elevations across the slab, traces the void underneath it, and identifies the water or soil condition that made it. You get the readings and the cause in writing, at no cost and with no obligation.
The method that fits your slab comes back in writing, with the work and the exclusions stated on the page. Nothing about the job is agreed verbally.
Outdoor flatwork goes straight to the lift. Interior work does not: a ground penetrating radar floor scan is completed before work commences, and a post tension slab requires one every time. The scan reports how thick the concrete is and the spacing and depth of what is embedded in it, so the crew drills around those findings instead of into them. It is booked at a two hour minimum and is an additional cost where the proposal does not already carry it.
Material goes in under the slab in small shots while the crew watches elevations, and the lift stops at grade rather than past it. Holes are patched, final elevations are compared against the starting survey, and the surface is typically back in service the same day.
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