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

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

Last update on July 13, 2026

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Avatar for Blackburn Foundation Repair, LLC
Blackburn Foundation Repair, LLC
4.6(
23
)

Serving Watertown, SD and surrounding areas

Approved

In business since 1992

Free estimates

Warranties offered

"Excellent service! Pro was nice, easy to work with, professional! Never would have known he was here, he cleaned the working area so well! I would definitely recommend Blackburn Basement!!"
Crawl Space Repair
Crawl Space Repair
Response time1 day
92 neighbors recently requested a quote
Recommended by80%of homeowners
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Avatar for Groundworks
Groundworks
4.3(
247
)

Serving Watertown, SD and surrounding areas

Approved (Corporate)

In business since 2005

Free estimates

Warranties offered

"Jacob D and Lenard S provided great service. Professional and friendly. Made sure I knew what was going on and answered questions. Treated my home and my family with respect and didn't damage anything, which not all contractors seem concerned about. I have some additional basement work that will need to be complete and I will definitely be using Innovative again."
Foundation
Basement Waterproofing
Basement Waterproofing
Basement Waterproofing
Basement Waterproofing

+16

144 neighbors recently requested a quote
Recommended by88%of homeowners
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Concrete Mudjacking questions, answered by experts

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

Most houses are expected to settle over time, but foundation sinking of more than a few inches or uneven sinking of more than an inch for every 20 feet is cause for concern. Any significant or uneven sinking should be assessed by a professional to determine the cause and perform any necessary repairs. 

Mudjacking typically takes 24 to 72 hours (one to three days) to dry and cure completely before you can resume normal use. The exact time can vary depending on the size of the project. Because the slurry mixture contains cement, it must fully harden to ensure that added weight from walking, furniture, or vehicles won't shift the concrete slab. A professional contractor can advise you on when the surface is safe to use. For comparison, if you use polyjacking instead, the polyurethane foam can dry in just a few minutes, but it's best to wait about an hour before use.

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.

Polyjacking can be a permanent solution to sunken concrete if you also address the underlying issue—like poor drainage—at the same time. The polyurethane material itself can last as long as or even outlast the concrete you’re lifting it with. Your sunken concrete issue will likely return if you don’t couple polyjacking with proper drainage to prevent future soil movement and sinking.

The Watertown, SD homeowners’ guide to concrete mudjacking services

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

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