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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon18
    Verified foundation repairs reviews

Top-Rated Foundation repair specialists in Sheldon - Updated Nov 2026

Avatar for Groundworks
Groundworks
4.6(
917
)
Concrete Foundation - RaisePoured Concrete Wall - RepairConcrete Foundation - Repair+1 more

Serving Sheldon, SC and surrounding areas

Approved (Corporate)

In business since 1993

Free estimates

Small jobs welcome

Groundworks is the North America's leading and fastest-growing foundation repair and water management solutions provider. Groundworks is a vertically integrated company with its own manufacturing operations and a world-class software solution, allowing us to serve our customers more effectively. From the first phone call to the annual maintenance offered, our customers have peace of mind knowing we're there with one mission to repair, protect and improve their home. For state licenses visit Groundworks.com/licensing

Basement
Basement
Basement
Concrete
Concrete

+13

4 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Mateos Concrete
Mateos Concrete
4.8(
4
)
Poured Concrete Wall - Repair

Serving Sheldon, SC and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Mateo's Concrete was responsive before, during and after my project. They were professional at every phase of my project. I always appreciate contractors respecting my time and my property. If you have a concrete job, you should give them a chance to bid on your project. They were excellent."
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+2

Response time2 days
Response rate100%
2 neighbors recently requested a quote
Avatar for CNT Foundations
CNT Foundations
4.5(
37
)
Concrete Foundation - RaiseConcrete Foundation - RepairFoundation Drainage - Install or Replace+2 more

Serving Sheldon, SC and surrounding areas

In business since 2003

Free estimates

Credit card accepted

"On time. On budget. We had an interesting conversation over their contract but the owner worked with me to come to an equitable modification we could both live with. There was a part of the work bracing joist that was cut out for the toilet drainpipe that was not done correctly. Once I reported it, I was told I was correct and that they would have someone back to fix it correctly. All that happened as they said it would. No big job ever goes perfectly. These folks stood by their sales pitch and took care of everything very professionally"
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+270

Recommended by84%of homeowners
Avatar for Healthy-Crawl Space
Healthy-Crawl Space
4.7(
68
)
Foundation Drainage - Install or ReplaceFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Sheldon, SC and surrounding areas

In business since 2008

Free estimates

Emergency services offered

"We were disappointed to learn that the home we recently purchased had major mold issues in our crawlspace. We learned after several estimates that the crawlspace issue had not been properly addressed, after we noticed significant moldy, musty odors in our bathroom.
An inspection of the crawlspace revealed the need for immediate mold remediation and repair of our space. We contacted and received estimates from four crawlspace companies, and were far and away impressed the most with Crawl Space Doctor, which now has an office/operation in Charlotte (their address still shows as Savannah, GA).
The owner of the company, Greg McBride visited our home, explained their services, and gave us a very competitive estimate for the work. In addition the materials he offered were of higher quality with being priced at either the same or slightly lower price than all other estimates.
Greg also offers a world-class guarantee, and offers an annual recheck of the work at no cost; he also made a minor repair of the crawlspace dehumidifier at no cost to us.
Greg's crew arrived on time, along with Greg, who regularly returned to check in on the work and his crew's progress. His gentlemen worked extra hours, and did a world-class job throughout the job.  Greg periodically checked in with us, to explain the job status/progress, and answered all our questions.  He obviously knows his business, and also joined with his crew in the crawlspace periodically, to check on the work and their progress.
We researched our options carefully, received 4 estimates from leading companies. Greg and Crawl Space Doctor were far and away the most impressive.
We enthusiastically recommend Crawl Space Doctor should you need work in your crawlspace.

"
Basement Waterproofing Project
Basement Waterproofing Project
Basement Waterproofing Project
Basement Waterproofing Project
Additional Photos

+6

Recommended by98%of homeowners
Avatar for CNT Foundations, LLC
CNT Foundations, LLC
3.9(
67
)
Concrete Foundation - RaiseConcrete Foundation - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Sheldon, 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 The Fireplace Doctor
The Fireplace Doctor
3.9(
1,190
)
Foundation Drainage - Install or ReplaceFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Sheldon, SC and surrounding areas

In business since 1993

Emergency services offered

Credit card accepted

"They did a great job. They solved all the problems I had with the chimney and it’s been working perfectly ever since. They also fixed a problem on the roof around the chimney; they replaced the wood around the chimney with a material that would never rot, so they fixed it even better than it was before. It took them a couple of days to do the work. They took care of all the cleanup as well. We've been real happy with them."
Recommended by78%of homeowners
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Foundation Repair FAQs, answered by experts

The best way to determine if ceiling cracks are structural is to hire a ceiling contractor to inspect the cracks and provide a professional opinion. That said, you might be able to make an educated guess based on the size and appearance of the crack. Larger cracks, cracks accompanied by sagging or discoloration, and cracks that travel from the ceiling down the walls are all signs of structural issues.

Minor hairline cracks in your concrete may not look pretty, but they’re often not serious. It’s when concrete cracks are larger—wide enough that you can slide a credit card into it—that you need to worry. If you monitor a crack and can trace its active expansion over time, you’ll definitely want to call in a pro to inspect it and, potentially, repair it. Want to prevent cracks in your garage and driveway concrete in the future? Stay on top of sealing. Here’s how to seal your concrete garage floor and driveway.

Most single-story homes don't have foundations strong enough to support a second story, but they can be reinforced for an addition. A structural engineer can assess your foundation and what needs to be done to get it ready. They'll look at any cracks or unevenness in your current foundation and consider any special framing or beams your home needs, especially if it’s in a high-wind or hurricane area.

“To support a second story, many structural engineers will require that you install additional concrete piers in the crawlspace,” says Tschudi. “This involves hand excavating, pouring a large concrete footing—usually with specially coated rebar—and then building concrete piers right up to the girders.”

Not all cracks in the basement floor signal foundation problems. As the house settles, you’ll notice very thin hairline cracks, which you don’t need to worry about. Cracks that are 1/8 inch or wider should require sealing, while ones that are 1/2 inch or wider require leveling. However, if you have cracks in your basement floor with heaving, you should call a pro to assess the situation. Heaving can lead to uneven flooring, structural issues, and foundation problems.

Many horizontal cracks in home foundations result from water and soil pressure from outside of the building or from a footing that is shifting. Under those circumstances, horizontal cracks are a structural problem that requires repair before they become worse and more difficult to fix. However, in very specific cases, thin horizontal cracks may simply be a cosmetic blemish due to concrete shrinkage.

The Sheldon, SC homeowners’ guide to foundation repairs

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