Let Two Brothers Lift Your Concrete Instead of Replacing It
Concrete Leveling in Houston, Texas
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Sunken Concrete That Does Not Need Replacing
Most sunken concrete in Houston is not broken. It is perfectly good concrete sitting over a hole, because the soil that used to support it went somewhere else.
Concrete leveling raises that slab back to grade by filling the void underneath and lifting from below. No demolition, no new pour, no cure time, and the original surface stays exactly where it was.
Sunken driveway, uneven walkway, dropped patio, or a garage floor with a step in it? Call 832-710-6957 for a free assessment.
Concrete leveling is the method. For the surfaces themselves see driveway and patio repair, sidewalk repair, and porch and stoop repair.
Why Houston Property Owners Call Two Brothers
- 20+ years working in Houston's expansive clay
- A+ BBB accredited and fully insured
- We check the cause, because filling a void twice is not a plan
- Free written assessment, no obligation and no pressure
- Licensed structural engineers on the projects that need them
- Honest limits, including when leveling is the wrong answer
Prefer to write? Use the contact form and we will call you back.
How Concrete Leveling Actually Works
A slab sinks because it loses what is holding it up. Clay shrinks in a dry Houston summer, water erodes soil out from underneath, or fill placed at construction compacts over time. The concrete does not break, it simply follows the ground down, or bridges over a void until something cracks it.
Leveling works from that understanding. Small ports are drilled through the slab, material is injected beneath it, the void fills, pressure builds, and the slab lifts back toward its original elevation. The ports are patched and the job is done.
The whole appeal is that you keep the concrete you already own. No demolition, no disposal, no new pour that will not match the slabs beside it, and in most cases the surface is usable again immediately rather than after days of curing.
It also costs substantially less than replacement, which is why it is worth asking about before anyone quotes you a tear-out.
What Concrete Leveling Can Fix
Anywhere a slab has dropped but the concrete itself is still sound.
Sunken Driveways
Sections that have dropped, panels tilting toward the garage, or a dip at the apron where the drive meets the street. Vehicle loading makes these worse faster than other flatwork.
Driveway and patio repair ›Uneven Sidewalks and Walkways
Panels that have settled below their neighbors, creating a trip edge. In Houston these are the property owner's responsibility, which makes them worth dealing with promptly.
Sidewalk repair ›Patios and Pool Decks
Slabs that have tilted, dropped at one corner, or started draining back toward the house instead of away from it.
Foundation drainage solutions ›Porches, Stoops, and Steps
Entry slabs that have settled away from the house, leaving a gap at the wall and uneven riser heights on the steps.
Porch and stoop repair ›Garage Floors
A step forming at the garage door, or a slope developing across the floor. Often the first place a homeowner notices soil movement, because the door no longer seals.
Free structural assessment ›Voids Beneath Sound Slabs
Concrete that sounds hollow when tapped but has not visibly dropped yet. Filling the void before the slab cracks is considerably cheaper than repairing it afterward.
All our services ›Not sure whether yours can be lifted or needs replacing? The assessment answers that in writing.
Call 832-710-6957Foam Injection vs Mudjacking vs Replacement
Three ways to deal with a sunken slab. The differences matter more in Houston than in most markets, for reasons covered below the table.
| Factor | Polyurethane Foam Injection | Mudjacking or Slabjacking | Remove and Replace |
|---|---|---|---|
| What goes under the slab | Expanding polyurethane foam | Cement and soil slurry | Nothing, the slab is new |
| Weight added to the soil | Very light | Heavy | Full slab weight |
| Injection holes | Small | Larger | Not applicable |
| Return to use | Typically same day | Longer than foam | After the pour cures |
| Water resistance | Does not wash out | Can erode over time | Not applicable |
| Appearance | Original slab kept | Original slab kept | New concrete will not match |
| Relative cost | Middle | Lowest | Highest |
| Best for | Sound slabs, soft or unstable soil | Sound slabs, budget-led jobs | Concrete that has genuinely failed |
None of the three is universally right. What decides it is the condition of your concrete, the soil beneath, and whether the cause of the settlement has been dealt with.
Our Concrete Leveling Process
Free On-Site Assessment
We measure how far the slab has dropped, sound it for voids underneath, check the concrete for cracking that would affect a lift, and work out what removed the support. Written proposal, no obligation.
Deciding Whether Leveling Is Right
Leveling suits sound concrete over a void. It does not suit slabs that have broken up, and it is premature where soil is still actively moving. We will tell you when the answer is replacement or when to wait.
Finding What Caused It
Almost always water. A downspout, poor grade, an eroded edge, or drought shrinkage in the clay. Lifting a slab without addressing that means lifting it again. See our foundation drainage solutions.
Drilling and Injection
Ports are drilled through the slab in a pattern suited to its size and the void beneath, then material is injected in controlled stages while the lift is monitored.
Controlled Lift to Grade
The slab comes up gradually and is checked continuously against the surrounding concrete. Rushing a lift cracks the slab you are trying to save, so this is the step that separates a good job from a bad one.
Patching and Follow-Up
Ports are patched, the area is cleaned, and we confirm the slab is holding and draining correctly. See our process.
Why Weight Matters More in Houston Clay
Here is the argument for foam that actually applies to this market, rather than the generic version you will find on national sites.
Your slab sank because the soil beneath it stopped supporting it. That soil is already established as being unable to carry what is sitting on it.
Mudjacking solves the immediate problem by pumping a heavy cement slurry into that same soil. It works, and it has for decades. But it adds considerable weight onto ground that has already demonstrated a bearing problem, which is a reasonable thing to think about before choosing it.
Polyurethane foam adds very little weight by comparison. On soft, saturated, or seasonally unstable Houston clay, that difference is not marketing. It is the reason foam is often the better technical choice here even though it costs more than mudjacking.
Where the soil is firm and the settlement was a one-off from erosion or poor compaction, mudjacking can be perfectly appropriate and cheaper. Which is the point: the right method depends on your soil, and anyone recommending one before looking at your site is selling equipment rather than solving a problem.
Leveling Fills the Void. It Does Not Fix the Soil.
This is the limitation nobody selling concrete leveling wants to lead with, and you should know it before you buy.
Injecting material beneath a slab restores support and brings the concrete back to grade. What it does not do is change the behavior of the ground underneath. If Houston clay is going to shrink again next August, it will. If a downspout is still discharging beside that slab, the erosion continues.
Leveling is an excellent repair for a slab that lost support. It is a poor substitute for fixing why the support was lost.
That is why we look at drainage on every leveling assessment, and why our proposals sometimes include drainage work you did not call about. A lifted slab with the water still running at it is a repair with an expiry date.
It is also why leveling is not the answer for a house foundation that is actively moving. That is pier work, not slab injection. See residential foundation repair.
Five Myths About Concrete Leveling
This is a method that gets oversold and undersold in roughly equal measure.
Sunken concrete has to be replaced
Usually not. Most sunken slabs in Houston are structurally fine concrete sitting over a void. Replacement means demolition, disposal, a new pour, cure time, and new concrete that will not match the slabs beside it, all to achieve what a lift achieves for less. Replacement is right when the concrete itself has failed, not simply because it is low. Ask before accepting a tear-out quote: can this be lifted instead?
Foam is always better than mudjacking
Foam has real advantages, particularly its low weight on soil that has already shown a bearing problem, and its resistance to washing out. But mudjacking is a proven method that costs less, and on firm soil with a one-off settlement it can be entirely appropriate. The honest answer depends on your soil and your budget, not on which equipment the contractor owns. Fair question: ask why they are recommending that method for your site specifically.
Leveling fixes the underlying problem
It fixes the slab, not the ground. Injecting material restores support and elevation, but Houston clay will keep shrinking and swelling, and any water source that eroded the soil is still doing it. Leveling paired with drainage correction lasts. Leveling on its own has a shelf life determined by whatever caused the settlement. Worth including: drainage correction in the same scope.
You can level a foundation the same way
No. Lifting an exterior flatwork slab and lifting a house are different operations with different engineering. A home foundation that has settled needs piers taken down to stable bearing, not material injected under the slab. Anyone offering to level your house by injection should be questioned closely. For the house: see house leveling and lifting.
The holes will be obvious afterward
Injection ports are patched, and on most surfaces they are unobtrusive rather than invisible. Foam uses smaller ports than mudjacking. On decorative, stamped, or stained concrete the patches are more noticeable, which is worth discussing before work starts rather than discovering afterward. Ask to see: photographs of finished ports on a surface like yours.
When Concrete Leveling Is Not the Right Answer
A method page that only lists what it can do is a sales page. Here is where leveling is the wrong call.
| Situation | Why Leveling Falls Short | What Is Usually Needed |
|---|---|---|
| Slab broken into pieces | Nothing solid left to lift as a unit | Removal and replacement |
| Severe spalling and crumbling | Concrete is at the end of its life | Replacement |
| Soil still actively moving | The slab will drop again after the lift | Address the cause first, then level |
| House foundation settlement | Different engineering entirely | Pier installation and structural repair |
| Active water source untreated | Erosion continues beneath the repair | Drainage correction, then level |
| Tree root lifting the slab | The root keeps growing regardless | Grinding, panel replacement, or root strategy |
| Slab poured at the wrong elevation | It never settled, it was always low | Replacement or regrading around it |
If your situation is in this table, we will say so at the assessment rather than lifting something that is going to come back down.
What Affects Concrete Leveling Cost in Houston
Leveling is priced well below replacement, which is the whole reason to consider it. Within that, the range depends on a handful of things.
The main driver is how much material it takes to fill the void and lift the slab, which is a function of area, how far it dropped, and how large the space underneath turns out to be. Voids are frequently bigger than they look from above.
- Square footage of slab being lifted
- How far it has settled
- Size of the void beneath, which is not always predictable
- Which method suits the soil and the job
- Slab thickness and whether it is reinforced
- Access for equipment
- Number of separate areas being treated
- Whether drainage correction is included
- Surface type, since decorative concrete needs more care with ports
Because the void size is not fully knowable until injection starts, ask any contractor how they handle it if more material is needed than estimated. A clear answer up front avoids an awkward conversation mid-job.
Every assessment and written estimate is free. If financing would help, we offer payment plans.
Six Questions to Ask Before You Hire
Concrete leveling is sold hard and the work is invisible once the ports are patched. These questions get at what matters.
Why did this slab sink?
If nobody names the cause, nobody has addressed it, and the lift is temporary. Erosion, drought shrinkage, poor compaction, and a leaking line all call for different follow-up.
Should this be lifted at all, or replaced?
A contractor who only owns injection equipment will recommend injection. Ask directly whether the concrete is sound enough to lift, and what they would do if it is not.
Foam or mudjacking, and why that one for my soil?
Both are legitimate. You want the reasoning tied to your site, particularly the weight question on soil that has already failed to carry the slab.
What happens if the void is bigger than estimated?
Voids are hard to size from above. Ask how additional material is charged before work starts, not after the pump is running.
Does the quote address drainage?
If water caused the erosion, lifting the slab without correcting the water is buying the same repair twice.
What will the finished ports look like?
Reasonable on plain concrete, more visible on stamped or stained surfaces. Ask for photographs of finished work on a surface like yours.
We are happy to answer all six on the phone before you book anything.
Call 832-710-6957For HOAs, Property Managers, and Businesses
On a portfolio, concrete leveling is usually the difference between a maintenance line item and a capital project. Lifting settled walkways and entries across a site costs a fraction of replacing them, and the surfaces stay usable while it happens.
It is also the faster answer where a settled slab has become a trip hazard and the exposure needs closing quickly rather than scheduling a pour.
We survey whole sites in one visit and provide written, photographed documentation showing which slabs are hazardous now, which can be lifted, which genuinely need replacing, and what is causing it.
Call 832-710-6957 to Discuss a Property
Residential and Commercial Concrete Leveling
Same method, same soil, different scale. We handle both property types.
Residential
Driveways, walkways, patios, pool decks, porches, and garage floors at single family homes and townhomes. See driveway repair and porch and stoop repair.
Commercial
Parking areas, retail frontage, apartment walkways, warehouse floors, and institutional properties where settled concrete is both a liability and an operations problem. See our commercial foundation repair services.
Two Bros Foundation Repair Service Areas
Concrete leveling available across the Greater Houston area. Click any location to learn more about our foundation repair services in that area.
- Houston
- Sugar Land
- Katy
- Pearland
- League City
- Spring
- The Woodlands
- Conroe
- Cypress
- Tomball
- Humble
- Kingwood
- Friendswood
- Missouri City
- Pasadena
- Baytown
- Clear Lake
Client Testimonials: What Our Customers Are Saying
Good experience with Two Brothers Foundation repair! The team was very professional and very polite. They answered all my questions, and the working crew did a good job cleaning up the dirt that was dug out. I'd definitely recommend them to anyone asking for a good, reputable foundation repair company!
I had Two Brothers repair my home's foundation back in 2018, and it has had no problems since, now 7 years later. They were quick to answer even now as I look to sell the property and transfer the service. Would recommend to anyone who needs their foundation repaired.
Aaron & Jacob were very professional and walked me through the entire process. They made sure I was informed at each step and made sure they left the work area in an excellent condition when completed. Glad to be back on a level foundation again.
Related Concrete and Foundation Services
Concrete leveling is the method. These are the surfaces it applies to and the causes underneath them.
Driveway and Patio Repair
The largest flatwork on most properties, and the one under vehicle loading.
Learn more ›Sidewalk Repair
Walkway panels, trip hazards, and the fact that in Houston the sidewalk is your responsibility.
Learn more ›Porch and Stoop Repair
Entry slabs and steps that settled away from the house on shallow footings.
Learn more ›Foundation Drainage Solutions
The water that eroded the support out from under your slab in the first place.
Learn more ›House Leveling and Lifting
For the house itself, which needs piers rather than injection.
Learn more ›Structural Foundation Assessments
Free elevation survey, in case the soil issue reaches further than the flatwork.
Learn more ›Frequently Asked Questions (FAQs)
Still have questions about concrete leveling? See some of our frequently asked questions below or contact us today.
How does concrete leveling work?
Small ports are drilled through the sunken slab, material is injected beneath it to fill the void, and the pressure lifts the slab back toward its original elevation. The ports are then patched. The concrete you already own stays in place, so there is no demolition, no disposal, and no new pour that will not match the slabs beside it.
Is foam injection better than mudjacking?
Often in Houston, but not universally. Foam is much lighter, which matters because your slab sank into soil that already demonstrated it could not carry the load, and mudjacking adds heavy slurry to that same soil. Foam also resists washing out and uses smaller ports. Mudjacking costs less and remains a proven method, and on firm soil with a one-off settlement it can be entirely appropriate. The right choice depends on your soil.
How long does concrete leveling take?
Most residential jobs are completed in a day or less, depending on the area being lifted and the size of the void underneath. Foam typically allows return to use quickly, which is one of its main practical advantages over both mudjacking and replacement. Your written proposal includes a timeline for your job.
Will the injection holes be visible?
The ports are patched and on most plain concrete they are unobtrusive rather than invisible. Foam uses smaller ports than mudjacking. On stamped, stained, or decorative concrete the patches are more noticeable, so that is worth discussing before work starts. Ask to see photographs of finished ports on a surface similar to yours.
How long does concrete leveling last?
The lift itself is durable, but longevity depends on whether the cause was addressed. Filling a void restores support and elevation. It does not change how Houston clay behaves seasonally, and it does not stop a downspout that is still eroding soil beside the slab. Leveling paired with drainage correction lasts considerably longer than leveling alone.
Can you level my house foundation this way?
No. Lifting exterior flatwork and lifting a house are different operations with different engineering. A home foundation that has settled needs piers taken down to stable bearing, not material injected under the slab. If someone offers to level your house by injection, question that closely.
When is replacement better than leveling?
When the concrete itself has failed rather than simply dropped. Slabs broken into pieces, widespread spalling and crumbling, or concrete at the end of its service life should be replaced. Leveling is also the wrong first step where soil is still actively moving or an untreated water source is still eroding beneath, since the slab will come back down.
How much does concrete leveling cost in Houston?
Substantially less than replacement, which is the main reason to consider it. Within that, cost depends on the area lifted, how far it settled, the size of the void beneath, which method suits the soil, slab thickness, access, number of separate areas, and whether drainage correction is included. Because voids are hard to size from above, ask any contractor how additional material is handled. Assessments are free.
Do you offer free concrete leveling assessments?
Yes. We measure how far the slab has settled, sound it for voids, check whether the concrete is sound enough to lift, and identify what removed the support. If leveling is the wrong answer for your slab, you will hear that. Written proposal at no cost and no obligation. Call 832-710-6957.
Still have questions?
Still have questions about residential or commercial concrete leveling? Give us a call or fill out the form on our contact page.
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