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Avatar for Groundworks
Groundworks
4.0(
148
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Union, SC and surrounding areas

Approved (Corporate)

In business since 1986

Free estimates

Warranties offered

"Quicker than I thought, sturdy equipment. Seven jacks, seven concrete disks, a pallet load of gravel, 3 4x4 beams. I do believe is was done right. My floors are level, that's what I wanted. No more bounce."
Foundation
Foundation
Foundation
Foundation
Foundation

+13

205 neighbors recently requested a quote
Recommended by77%of homeowners
Avatar for Waddell & Sons
Waddell & Sons
5.0(
9
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Union, SC and surrounding areas

In business since 1972

Free estimates

Emergency services offered

"They were very easy to communicate with and were always quick to respond to my questions. They were specific in letting me know the exact amount of concrete it would take to complete the job. Also, they negotiated the labor costs and service was very professional."
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+14

Recommended by100%of homeowners
Avatar for Grigg & Sons.
Grigg & Sons.
4.2(
12
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Union, SC and surrounding areas

In business since 1996

Free estimates

Emergency services offered

"They were fantastic. Did everything I asked them to do and did a professional job with every aspect of pouring the pad for my future garage. Installed the floor drain for me just as I asked. Quick response and Quick professional job. VERY HIGHLY RECOMMENDED FOR ANY CONCRETE JOB YOU MAY WANT ?. THANK YOU GENTLEMAN."
Circle Driveway
Carport Slab
Circle Driveway
Additional Photos
Additional Photos

+3

Recommended by81%of homeowners
Avatar for CNT Foundations, LLC
CNT Foundations, LLC
3.9(
67
)
Concrete - Injection Leveling - Mudjacking

Serving Union, SC and surrounding areas

In business since 2004

Free estimates

Warranties offered

"Todd, the estimator and Greg who led the team doing the repair work were very professional. Greg kept me well informed throughout the process and answered all of my questions. They successful at closing the gap in the brick wall which was a huge bonus!"
Chimney Repair
Response time1 day
Recommended by81%of homeowners
Avatar for All Dry Of The Carolinas Inc
All Dry Of The Carolinas Inc
4.3(
48
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Union, SC and surrounding areas

In business since 1991

Free estimates

Credit card accepted

"

I thought they did a real good job. It does not smell or anything. If it was tall enough it looks like a room you could be in to live in, but it is our crawl space. They are really good. We get an annual checkup and their services are kind of expensive, but my husband checks every time it rains and now the water does not sit underneath the house or mess up our foundation. We got a military discount and they check the humidifier to make sure it is doing what it is supposed to do for about $99.  

"
Additional Photos
Extension
Multiple extensions
Underground extension with outlet
Before

+4

Recommended by90%of homeowners
Avatar for CNT Foundations
CNT Foundations
4.5(
37
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Union, SC and surrounding areas

In business since 2003

Free estimates

Credit card accepted

"They didn't end up doing the work. They were really high on what they wanted to do. Other people who looked at the porch said that it was not causing an issue with any water intrusion and that there doesn't seem to be any signs on the posts that this could have been recent, it could have been long ago. So no work was done. It was a front porch that had just the level concrete on one side was dipping just a little bit. I think they were going to pump it up from underneath or something like that to level it out. I would say that their response time and their professionalism of getting the quote to us on a timely manner was good. The quote was high and yet the work was not necessary according to other quotes. They should be honest to say when repairs are necessary and when they are not. The guy who showed up was nice and professional and was on time. There was a decent response time."
Additional Photos
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+270

Recommended by84%of homeowners
Avatar for Cantey Foundation Specialists
Cantey Foundation Specialists
4.0(
32
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Union, SC and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"We found Cantey Foundations to be the solution to our sagging floors and cracking walls - even after speaking with some of the other popular alternatives. Our team, consisting of Dallas, Corey, David, Dallas and Alex((2 Dallases),were professional, knowledgeable, polite and efficient. Not only did we see a definite change in the sloping floors, but the cracks closed up and doors stopped sticking. When the crew was done, they cleaned up everything. Although it is only a week since the work, we do not have any concerns because of Cantey's warranty, which guarantees the work for 25 years. We were able to put off other recommended work for a later date, and plan to take advantage of that when our pocketbook allows. I will have no problem calling them back."
Before PolyLevel LIft
New Gutter Shutter System
Concrete Before Columbia, SC
Driveway Level & Lifted
This is just one of the foundation cracks we found on this foundation. It's what we call a stair-step crack.

+137

Recommended by90%of homeowners
Showing 1-10 of 11
Concrete Leveling questions, answered by experts

Yes, expanding foam (also known as polyurethane foam) can lift concrete. This approach, called polyjacking, involves injecting the foam rather than concrete slurry to fill voids and raise the concrete slab back into place. It’s often faster and requires smaller drill holes than traditional mudjacking, though it may come at a higher cost. Some contractors also prefer polyjacking over mudjacking for more damaged and delicate slabs.

The method involves lifting settled concrete using pressurized cement slurry via drilled holes. This solves uneven surfaces and prevents further settling.

Most projects take 1-3 hours, with immediate usability after completion.

Many contractors offer warranties for their work. Confirm terms before starting the project.

The average cost for mudjacking is around $1,200, though prices can range from $300 to $3,400. On a per-square-foot basis, you can expect to pay between $3 and $8, with an average of about $5 per square foot. The final cost depends on several factors, including the square footage of the concrete, the type of slab, its accessibility, whether it is load-bearing, and the type of material used to lift it. Generally, lifting a driveway, small patio, or sidewalk is less expensive than lifting a slab foundation or garage floor.

The Union, SC homeowners’ guide to concrete leveling services

From average costs to expert advice, get all the answers you need to get your job done.