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*The Angi rating for Concrete Leveling companies in Keystone, SD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Concrete Leveling needs.

*The HomeAdvisor rating for Concrete Leveling companies in Keystone, SD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Concrete Leveling needs.

Last update on May 08, 2026

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Avatar for Blackburn Foundation Repair, LLC
Blackburn Foundation Repair, LLC
4.6(
23
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Keystone, SD and surrounding areas

Approved

In business since 1992

Free estimates

Warranties offered

"Blackburn came out to repair my garage foundation. They were quick, efficient, and left the area in great condition."
Crawl Space Repair
Crawl Space Repair
Response time1 day
103 neighbors recently requested a quote
Recommended by80%of homeowners
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Avatar for Justin Steele Builders, Inc.
Justin Steele Builders, Inc.
5.0(
1
)
Concrete - Injection Leveling - Mudjacking

Serving Keystone, SD and surrounding areas

In business since 2010

Free estimates

Warranties offered

"The crew is so skilled, and he's really good at managing changes during a project. Really good at documentation, no hidden surprises there. He's got a great group of really respectful guys, very professional, easy to get along with, and flexible. From the rough to the finish, he can cover it all, and they're a one stop shop!"
hager
hager
hager
Carr siding
Carr siding

+26

Response time1 day
Recommended by100%of homeowners
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Creteworks LLC
New to Angi
Concrete - Injection Leveling - Mudjacking

Serving Keystone, SD and surrounding areas

In business since 2021

Free estimates

Credit card accepted

Creteworks LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

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Concrete Leveling questions, answered by experts

There is no real alternative to underpinning, although mudjacking and polyjacking are other repair methods that can add support from underneath your foundation. Rather than placing supportive piers under your structure, these involve pumping a material under your slab to lift a sunken section back into its original position. Polyjacking, in particular, is sometimes a suitable solution for stabilization issues under slab foundations, but underpinning is often accepted as the best and most permanent solution.

Mudjacking typically takes 24 to 72 hours (one to three days) to dry and cure completely before you can resume normal use. The total drying time can vary depending on the size of the project. Because the slurry mixture contains cement, it needs to harden fully to prevent the concrete slab from shifting under added weight. You should avoid walking on the concrete or placing heavy items like furniture or vehicles on the surface until it has fully set. Your concrete contractor can provide a precise timeline. As a point of comparison, if you opt for polyjacking, the polyurethane foam can dry in minutes, but it's recommended to wait about an hour before use.

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

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

Polyjacking and mudjacking can both be effective solutions for sinking concrete, but they have key differences. Polyjacking, which uses expanding polyurethane foam, is often considered a better option because the foam is significantly lighter than the cementitious material used for mudjacking. This reduced weight puts less pressure on the underlying soil and lowers the risk of future sinking. Polyjacking is suitable for any sinking concrete slab, while mudjacking is typically only recommended for non-structural concrete, such as sidewalks, patios, pool decks, and driveways. The primary drawback of polyjacking is its cost, which can be up to four times higher than mudjacking—as much as $25 per square foot compared to a maximum of about $6 per square foot for mudjacking.

The Keystone, SD homeowners’ guide to concrete leveling services

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

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