Concrete Leveling in Plano, TX: Foam vs Mudjacking Costs
A sunken driveway apron, tilted patio slab, or a front walkway that's dropped away from the porch is an extremely common sight around Plano, and it's usually not a sign your house foundation is failing. Concrete leveling addresses these sunken slabs by lifting the existing concrete back into place rather than tearing it out and repouring, and it's popular here because Blackland Prairie clay shrinks and swells enough seasonally that flatwork poured decades ago, especially in neighborhoods built through the 1970s, 80s and 90s, keeps settling unevenly over time. Homeowners in Plano generally choose between two methods: polyurethane foam injection and traditional mudjacking. Both raise the slab, but they work differently, cost differently, and hold up differently depending on how much your soil is still moving. This guide walks through how each method works, what they cost around Plano, and when a sunken slab actually needs more than leveling to fix for good.
By Jason Green · Foundation Repair · Published August 28, 2026 · 7 min read
Why concrete sinks and settles in Plano
Blackland Prairie clay under Plano expands significantly when saturated during heavy spring rain and contracts noticeably during the dry summer months, and flatwork like driveways, patios and sidewalks sits directly on top of that movement without the reinforcement a house slab has. Over years, this shrink-swell cycle causes uneven settling, especially where fill soil was used during original construction and never fully compacted.
Older sections of Plano built in the 1970s through 1990s, including areas around Hunters Glen and Ridgeview, often have decades of accumulated settlement in driveways and walkways as backfill around utility lines and original grading continues to consolidate. Newer sections near Legacy West still see settlement, but it tends to be tied more to graded lot construction and localized drainage issues.
A sunken driveway or patio is usually a flatwork issue rather than a structural foundation problem, but if the slab is directly attached to the house, like a covered patio poured against the foundation wall, it's worth a quick look from a contractor to rule out related foundation movement before leveling it.
Concrete leveling plano: foam versus mudjacking
Polyurethane foam injection uses a lightweight, fast-curing two-part foam pumped through small drilled holes; it cures in about 15 minutes, adds minimal weight to soil that may still be settling, and resists moisture, which is useful given how much clay soil around Plano expands and contracts with rainfall.
Mudjacking, also called slabjacking, pumps a heavier slurry of soil, cement and water through larger holes to lift the slab. It typically costs less upfront per square foot and remains a widely used, well-proven method in North Texas, particularly for larger driveways where cost per square foot matters more than the marginal difference in long-term stability.
Mudjacking plano: why it's still a common choice
Mudjacking has a long track record in the Plano and greater DFW market because it's cost-effective for large slabs and the slurry mix can help fill voids left under concrete by soil erosion or settling fill. Many local companies offer both foam and mudjacking rather than specializing in just one.
If a driveway or patio has settled more than once in the same spot, ask your contractor whether the void underneath is being completely filled or just enough to lift the visible surface. Repeat settling often points to an ongoing drainage or erosion issue that needs to be addressed separately from the leveling itself.
What it costs in the Plano market
Pricing depends on slab size, how much lift is needed, and which method you choose. Mudjacking generally costs less per square foot but may need a touch-up sooner if the underlying clay is still actively shifting, while foam costs more per square foot but often requires fewer holes and holds up longer, particularly on pool decks and slabs in low-lying, drainage-prone yards.
When leveling isn't the right fix
If a slab has cracked into multiple separate pieces, tilts more than an inch or two across a short span, or sits over a known void from a broken drain line, leveling alone may not hold. In those cases a contractor may recommend replacement or correcting the underlying drainage first.
If the settling slab is attached to or immediately adjacent to your home's foundation, it's worth reviewing our full Plano foundation repair guide to understand how flatwork settlement and structural foundation movement can overlap in Blackland Prairie clay.
Getting local quotes
You can get matched with local, pre-screened Plano concrete leveling contractors by entering your ZIP code, and it's worth getting quotes from at least one company that offers both foam and mudjacking so you're comparing methods rather than just hearing about whichever one a given company specializes in.
Typical cost ranges
| Mudjacking, per project | $400 - $2,000 |
| Mudjacking, per square foot | $3 - $6 |
| Polyurethane foam, per project | $600 - $2,700 |
| Polyurethane foam, per square foot | $5 - $8 |
| Sidewalk panel leveling | $200 - $850 per panel |
| Pool deck or patio leveling | $750 - $3,000 |
| Slab replacement, when leveling isn't viable | $8 - $15 per square foot |
Ranges are general estimates gathered from homeowner-reported quotes, not an offer or a quote for your project.
Common questions
What does concrete leveling cost in Plano?
Most driveway and patio leveling jobs in Plano run $400 to $2,700 depending on square footage and whether you choose mudjacking or polyurethane foam. Smaller sidewalk panel lifts often run $200 to $850 per panel.
Is mudjacking or foam better for Plano's clay soil?
Mudjacking remains a cost-effective, well-proven choice for many slabs, especially larger driveways. Polyurethane foam tends to hold up longer where soil is still actively shifting because it's lightweight and moisture-resistant, but it costs more per square foot.
How long does concrete leveling last in Plano?
Foam leveling often lasts 10 years or more once the underlying soil has stabilized. Mudjacking commonly holds 5 to 10 years and may need a touch-up sooner if Blackland Prairie clay underneath is still actively shrinking and swelling.
Do I need a City of Plano permit to level my driveway?
Typically no. Concrete leveling on existing flatwork that isn't structurally part of the house foundation usually doesn't require a permit from the City of Plano, though it's worth confirming with your contractor if the slab is attached to the home.
Can concrete leveling fix a sunken slab for good?
Leveling raises the slab back into place but doesn't fix an underlying drainage problem or eroded fill if one exists. If the same spot sinks again quickly after leveling, that usually points to an ongoing cause that needs separate diagnosis.
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