Foundation Settlement Repair Austin, TX.
Austin sits astride the Balcones Escarpment, so your slab's troubles depend on which side of MoPac you live on. We measure the movement first, then drive galvanized steel piers past the active soil to bearing strata that doesn't shift with the seasons.
What settlement looks like in an Austin home
The calls we get from Travis County homeowners cluster around a handful of telltale signs, almost all of them trace back to the soil under the slab rather than the structure itself:
- A single corner sitting visibly low, often the first thing a neighbor notices before you do
- Diagonal cracks fanning out from the upper corners of doors and windows
- Interior doors that drag, stick in summer, or stop latching as the seasons turn
- A gap opening where the wall meets the ceiling, or trim pulling away from drywall
- Stair-step separations in exterior brick or block, widening toward the low corner
- Floors that feel sloped or bouncy underfoot, sometimes with cracked slab or garage flooring
East of MoPac, west of MoPac: two different problems
Few Texas cities sit so squarely on a geologic seam. The Balcones Escarpment cuts through the metro almost along MoPac, and that line separates two foundations problems that happen to leave identical cracks on the wall. East of it, neighborhoods like Travis Heights and East Austin rest on high-plasticity Blackland Prairie clays, Houston Black series soils with plasticity indices that routinely land between 40 and 60. West of it, places such as Westlake Hills and Barton Hills sit on thin residual soils draped over Edwards Plateau limestone.
On the east side, the clay works like a slow hydraulic actuator under the slab. It swells and lifts when wet, then shrinks and drops the foundation during the summer drought, and the cycle rarely reverses cleanly. The most active band is usually the top eight to fourteen feet of profile, and over years it consolidates unevenly under the home's weight, one corner sinks while another holds. A plumbing leak or a yard that drains toward the house can undo a decade of marginal stability in one wet season.
West of the escarpment the limestone itself barely compresses, but the shallow soil over it is anything but uniform. Solution features and pinnacles in the bedrock leave footings bearing on a shallow rock high behaving very differently from footings spanning a deeper pocket nearby. Because faulting sets clay directly against rock here, two houses in the same ZIP can fail in opposite directions, one heaving, one settling, and the escarpment doubles as a rainfall divide, so a single storm can soak one side of town while the other is already shedding water off the stone.
Why we anchor to steel rather than patch the surface
Re-leveling a slab only lasts if the new support reaches material that stays put. Galvanized steel piers are driven hydraulically, one segment at a time, down through the active soil to load-bearing strata that no longer cares what the weather does. That is the difference that holds on expansive clay: pressed-concrete cylinders often stop short inside the moving zone, while a steel pier keeps going to refusal, frequently anywhere from ten to twenty-five-plus feet here, depending on how deep the active soil runs.
Because the load transfers down to stable ground, the repair addresses the cause instead of masking the symptom with grout or mudjacking. Most homes stay occupied throughout; crews work from the exterior and a few access points, and a typical project lands between $4,500 and $14,000 depending on pier count, access, and drainage. The steel-pier stabilization carries a lifetime warranty that transfers to the next owner, and financing is available when you'd rather spread the cost.
Lasting results frequently mean managing the water too. Where it genuinely protects the foundation, and only there, we'll pair the piering with drainage correction so seasonal moisture stops driving the soil under your slab in the first place.
How a GroundLock repair actually goes
Free elevation survey to 1/64 in.
We map the whole footprint to a contour at plus-or-minus 0.01 in., showing both the low points to lift and any heaved areas we must not push further.
Engineer-backed written plan
From that contour an engineer sets pier locations, target depths, and the lift sequence as a spec tailored to your foundation and which side of the escarpment it sits on.
Drive, lift, and lock
Galvanized steel piers are driven to refusal on bearing strata, then the slab is raised and the load transferred onto the steel.
Re-survey and warranty
We document the final elevation in writing and hand over the lifetime transferable warranty before the crew leaves.
Questions Austin homeowners ask us
I'm east of MoPac in Travis Heights, does the clay there really behave differently from the west side?
One corner of my house is clearly lower than the rest. How worried should I be?
What's the difference between settlement and heave, and why does it matter for my repair?
How deep do the steel piers have to go around here?
Could my sprinkler system or a slab leak be making this worse?
What can I do with my yard to slow the movement down?
Is the free elevation survey genuinely free, and how accurate is it?
Do we have to move out while the work happens?
We have a pier-and-beam house, not a slab. Can you still help?
If we fix the foundation, does the warranty follow us when we sell?
Book your free
foundation inspection.
Tell us where you are and what you’re seeing. A GroundLock structural advisor confirms within one business hour.
All foundation services in Austin
Every GroundLock service, available throughout Austin and the surrounding area:
Get your free foundation inspection.
A licensed inspector measures your slab elevation to ±0.01 in. (1/64 in.) and gives you a written, engineer-backed plan with zero pressure.