Mudjacking in McKinney, TX
McKinney's mudjacking conversation runs along an era line. On the older flatwork in and around the 1849 Old Town courthouse square — where slabs go back generations and have been re-poured and patched into mixed-era ribbons — mudjacking is often the right call. On the newer master-planned communities west of US 75 where the median home was built in 2010, polyjacking is usually the honest answer.
Call +1 (682) 254-4938 and tell us which part of McKinney your slab is in. We'll tell you which method fits before we drive out.
When mudjacking is the right call in McKinney
Two distinct pockets of McKinney housing stock are mudjacking-appropriate. The first is the historic downtown core — the Old Town district platted in 1849 around the courthouse, listed as a National Historic Landmark District since 1978. The slabs in that footprint span generations: smaller pours, mixed-era patches, and the kind of decades-deep voids underneath that slurry fills more economically than foam ever can. Lifting in that area is more diagnostic than mechanical — figuring out which historical pour you're actually working with is half the job.
The second is the earliest sections of Stonebridge Ranch. The first five villages were platted and built in 1988, which means those original Stonebridge homes are now nearly four decades into life on Houston Black. At 80% of the mapped unit at our McKinney seed location and 12% linear extensibility — well inside the USDA's "very high" shrink-swell bucket — that clay has been working against the original pour every wet-dry cycle for thirty-seven-plus years. The voids underneath the older Stonebridge driveways and patios are now substantial, and slurry is the more economical fill per cubic foot.
Mudjacking is also a strong fit for any older detached garage, outbuilding, or municipal sidewalk in McKinney — the heavier, larger flatwork where slurry's weight-bearing fill earns its place. For the underlying method — port spacing, pump pressure, cure timing — see our mudjacking guide.
When polyjacking is a better fit for McKinney
For most of the 75070 ZIP, polyjacking is the better default, and we want to be honest about that on a mudjacking page.
The bulk of McKinney's housing stock is in the post-2000 era. Stonebridge Ranch's later villages, Adriatica Village (the 45-acre Croatian-style enclave with the lake and bell tower), and the corridor along Hardin Boulevard — these are mostly post-tension slabs, modern subgrade prep, and engineered drainage. They haven't accumulated the deep voids that make slurry economical, and the swelling clay underneath responds badly to added hydrostatic load. Closed-cell polyurethane is lighter, cures within minutes, and lets you drive on the slab the same day.
If your home was built after 2000, your driveway apron is settling at the garage line, and the void underneath is small to moderate, polyjacking is almost certainly the right answer. See our polyjacking guide for that conversation.
What mudjacking costs in McKinney
Industry-typical residential mudjacking projects run $400 to $2,500 depending on slab area, lift height, void volume, and access. A small section apron lift sits in the $400 to $700 range; a full one-car driveway lift typically runs $1,000 to $1,800; multi-section back patios with substantial voids can approach $2,500.
With ZIP 75070 median home values at $429,300 and median household income at $106,549, the cost-to-protect math leans toward lifting whenever the slab itself is sound. For HOA-routed work in the older Stonebridge villages — where common-area sidewalks and shared walks are association responsibility — we provide itemized quotes and the documentation that fits maintenance-ledger reconciliation. The 52.4% owner-occupancy in 75070 means roughly half the housing stock is rental, and landlords value cost-effective lifting on aging Stonebridge flatwork over expensive replacement.
How McKinney slabs typically present
The mudjacking calls we field in McKinney cluster around the older end of the housing stock and a handful of recurring scenarios.
Stonebridge Ranch first-village driveway aprons. The 1988 first-five-village footprint has driveways now at thirty-seven-plus years of Houston Black underneath. The garage stays put; the driveway has dropped at the apron. Voids underneath are substantial after that many cycles, and slurry fills them economically.
Old Town McKinney courthouse-square sidewalks. The historic core is laid with mixed-era flatwork that's been patched, replaced, and re-poured across multiple generations. When a section drops, the void underneath often goes deeper than a polyurethane lift can fill cost-effectively, and slurry is the established municipal-spec method anyway.
Detached garage and shop slabs in the older McKinney pockets. Properties around the original Old Town footprint and the streets immediately east of US 75 tend to have detached structures with slabs poured to a heavier residential spec. Mudjacking handles the heavier point loads — vehicles, equipment, machinery — better than foam.
Patios cold-jointed against older McKinney foundations. Where the back patio drifted away from the house line over a decade or two of clay cycling and the void is now deep enough to reach the lower fill layer, slurry is the method that fills the volume without overshooting the lift.
For new-build settlement in Adriatica or the post-2010 sections of Stonebridge — where the void is shallow and the slab is post-tension — we'll usually steer you to polyjacking instead.
Your McKinney mudjacking FAQ
Will mudjacking damage a post-tension slab? A controlled slurry lift puts very little stress on the slab itself, post-tension or not. The risk is overshoot — too much pressure or too much material at one port — which is an experience problem rather than a method one. That said, for most newer post-tension McKinney slabs, polyjacking is the default because it doesn't add weight to the swelling clay underneath.
Is mudjacking still appropriate for HOA-approved Stonebridge Ranch work? Yes — particularly for the first five villages from 1988 where the original flatwork is now substantial-void territory. Most Stonebridge HOAs treat lifting as below the visible-aesthetic threshold once the ports are patched. We provide before/after documentation to fit the association's maintenance workflow.
How long does a mudjacking lift hold on Houston Black clay? A correctly executed lift on stable subgrade typically holds 8-10 years or more. The clay keeps cycling — that's not something the lift addresses — but the cured slurry doesn't compress under residential loads, so the slab stays where you put it until the soil moves enough to pull it down again.
My garage was poured in 1990. Mudjacking or polyjacking? Probably mudjacking. A 35-year-old garage slab on Houston Black has accumulated enough void underneath that slurry's per-cubic-foot economics tend to win. We'll measure on the walk-through.
Does drought make this worse? The 14 weeks where at least a quarter of Collin County sat at D1+ over the last year have been quietly working against the clay's water content all summer, and a wet spring rebounds it. The cycle is the slow undramatic version of expansive-clay damage. The lift addresses the symptom; the soil keeps doing what it does.
Do you cover the historic downtown McKinney area? Yes. Older slabs there have different failure patterns than the post-2000 master-planned stock — more crack-driven, more void-driven — but they're still candidates for lifting wherever the slab itself is sound. Call +1 (682) 254-4938 to schedule the assessment.