Foundation raising in Mesa AZ - a sunken floor lifted back and held steady
Cracks in the floor, doors that stick or a slab that dips? We find out why first, then hold it steady on steel piers.
- Licensed and fully insured.
- Free on-site estimates.
- Replies within 1 business day.
How does foundation raising work on a Mesa home?
Foundation raising in Mesa, AZ means setting steel piers under a slab floor that has sunk, then using them to hold the slab steady or lift it back toward where it sat. It fixes a floor that's moving because of the ground under it, so we look at the cause before we talk about lifting anything.
You've probably noticed a crack that keeps growing, a door that won't latch or a floor that feels off underfoot, and you want to know how serious it is and what it'll cost. The price mostly turns on how much of the house has moved, whether we work inside through the floor or outside in the yard, and whether the soil needs testing first. The schedule turns on that soil test, any permit and the weather. I'll write out what your job needs so you can see what the price covers before anything starts.
How can you tell if your foundation has moved?
Cracks running across the floor
A crack through tile or a bare slab that keeps getting longer or wider usually means the slab is moving with the ground under it. Left alone, it tends to spread, and the walls and doors above it start moving too.
Doors that stick or swing
When a door that used to close fine starts rubbing or drifting open, the frame has usually been pulled out of square by a floor dropping on one side. The longer the floor keeps moving, the more frames, drywall and trim you'll be fixing later.
A floor that dips or humps
A low spot near an outside wall usually means that part of the slab sank, while a hump in the middle can mean the slab rose instead. Those two call for very different fixes, so it's worth having it checked before the wrong one gets done.
What our foundation raising work includes
Before anyone talks about lifting, I come out and find out whether your floor sank or rose, since only a floor that sank should be lifted. If it sank, I'll tell you whether the work happens inside through the floor or outside in the yard. Then our crew opens the floor or the ground at each pier spot, sets a steel bracket against the slab and drives steel pipe down to firmer ground that can carry the house. With the piers in, we use hydraulic jacks to hold the slab where it is or bring it back up, then we patch the openings and clean up. I won't promise you a perfectly level floor, only one that's held on solid ground and brought back as far as your house allows.
Some foundation jobs touch the concrete around the house. When a pier has to go where a walk or a slab is in the way, we use concrete cutting to take out only what we need. If your driveway cracked and sank along with the house, our concrete driveway building work can replace it on a new base once the house is holding steady.
Holding the slab where it sits
This suits a floor that has settled a little but still works fine day to day, where the real worry is that it keeps going. The piers stop the movement without trying to push the slab back up.
Lifting it back toward level
This suits a floor that dropped enough to crack walls or jam doors. We bring the slab back up a little at a time with pressure on each pier, and we stop where the house tells us to rather than forcing it flat.
Get a written estimate for raising your foundation
Send the form and we'll reply within one business day to set a time to come out. The estimate is free, done on site and written out, with no obligation. If you have a soil report, have it handy.
Call (480) 645-9450What happens after you call about foundation raising in Mesa?
Here's how a foundation job runs with us, from the first look at your floor to walking the finished work together.
Set a time to look
When you call, I set up a time to come out, look at your floors and walls and hear what you've noticed. Any soil report or old repair paperwork helps, so pull it out if you have it.
Get a written estimate
You get a written estimate that spells out the prep, where the piers go, whether we work inside or outside, and any removal or patching. That way you see what the price covers before you decide anything.
Schedule and do the work
Once you're ready, we schedule around the weather and our crew sets the piers and makes the lift. I check in on site through the job, so questions get answered while the floor is still open.
Walk the finished job
When the openings are patched and the site is cleaned up, we walk the finished job with you. We go over what moved, where it's holding now and what to keep an eye on.
Why Mesa homeowners call Cornerstone Mesa Concrete to raise a floor
*On a moving floor, finding the cause matters more than the lift itself, so that's where I start. Call or send the form and I'll come take a look.*
I write every estimate myself
I come out myself to look at the job and write the estimate, and I check in on site while our crew does the work. You're dealing with the person responsible for the job from the first visit to the last walk-through.
Licensed and fully insured crew
We're licensed and fully insured, which matters when the work goes under the house you live in. If something goes wrong on your property, you're not the one left holding it.
Trained to tear out bad work
I learned under a boss who made us tear out anything that wasn't right, and I started this business in Mesa in 2021 holding our crew to the same standard. On a foundation, that means the soil and the sank-or-rose question come before any lift.
Foundation raising and slab work around Mesa
Whether a foundation lift on your house needs a permit is a question for the City of Mesa's permit services office, which you can reach at 480-644-4273 or permitservices@mesaaz.gov. It matters for who does the work, too, because Arizona's licensing law says the exemption for small, casual jobs ends once the work needs a local building permit. When a job needs one, we settle with you up front who pulls it and work to the inspections the city or county sets. If you're not sure, ask at the estimate and we'll go over it with you.
The ground is the bigger story here. Clay in Arizona swells when monsoon water soaks in and shrinks through the hot, dry summer, and earth fissures have been reported in Maricopa County, so I'd rather see the soil checked before anyone lifts a floor. We're based in Mesa and take jobs across the cities around it, and we meet the same desert soils on slab work in Gilbert and Chandler.
Questions about foundation raising in Mesa
How much does foundation raising cost in the Phoenix area?
Pier underpinning, which means holding the house up on steel piers set under it, usually costs about $4,000 to $8,000 per job in the Phoenix area for moderate settling. The price climbs with the number of piers a house needs, and bigger repairs need more of them. Our written estimate shows how many piers your house needs and what the price covers.
Should a floor that rose be lifted?
No, because lifting a slab that rose pushes it further out of level, and once it's up it can't be brought back down. A wrong lift stays with your house for good. That's why we sort out whether the floor sank or rose at the first visit, before piers come up at all.
How do I know if my soil is expansive in Mesa?
The surest way, according to the Arizona Geological Survey, is soil borings and testing by a reputable geotechnical firm, which is a soil engineering company. One soil summary rates the main shrink-swell level in Maricopa County as low, but that's a county-wide figure, so it's worth asking what testing shows at your own lot. If you already have a boring report, bring it to the estimate.
What causes a slab floor to sink in Mesa?
Usually it's the soil under the slab. Loose, dry soil that was poorly packed can shrink when it gets wet or carries heavy weight like a house, and the swelling clay we covered above can move a slab too. Knowing which one you have tells us whether piers are the right fix.
How do I keep my foundation from moving again after it's raised?
Keep water from soaking the ground right next to the house, because repeated wetting and drying is what drives damage in expansive soil. The state's geological survey advises keeping plants away from the foundation for that reason. At the final walk-through, we'll show you where water collects near your walls.
Will foundation raising happen inside or outside my house?
It can be either. Slab piers go in through holes cored in your floor, so a room gets opened up inside, while helical piers, steel shafts with screw-shaped plates that turn into the ground, are set from outside after digging a strip or a separate hole at each pier spot. I'll tell you at the estimate which approach fits your house and why.
Related concrete services for Mesa homes
- Concrete cutting
Clean saw cuts let us take out a section of slab or walkway without cracking the concrete you're keeping, and they leave a straight edge that patches neatly.
- Concrete driveway building
When the ground that moved your house also cracked your driveway, a new pour on a dug-out, packed base gives you a driveway that starts fresh.
Service areas around our Mesa base
Cornerstone Mesa Concrete is based in Mesa, Arizona, and takes foundation and slab jobs across the cities around it. The 12 cities below each have their own page, including Tempe and Scottsdale, and we work in other nearby cities too.
Mesa, AZ
Have your floor checked before anyone lifts
Call (480) 645-9450 or send the form, and keep any photos you've taken of the cracks, since they help show which way the floor has been moving.