Recent Blog Posts

foundation repair service
January 23, 2026
Learn how a foundation repair service identifies structural issues, prevents damage, and protects your home’s long-term value.
March 18, 2025
Have you considered a crawl space foundation? If so, here are a few benefits of using helical piles for your next crawl space foundation project.
August 3, 2023
Many people don't realize how important basement waterproofing is. Keep reading to see a few reasons why you should invest in this service.
June 5, 2023
You should never delay foundation wall repair when you need it. Keep reading to find out what you should know about your home's foundation.
March 28, 2023
If you're wondering when it's time to schedule foundation repair services as soon as possible, then take a look at this guide.

Foundation Repair

Rapid City, SD

Licensed and Insured Professionals

No-Obligation, Free Estimates

Labor Warranties Available

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Restoring Stability to Your Home's Foundation

Sunken Foundation Solutions has been the cornerstone of foundation repair in Rapid City, SD and the surrounding Black Hills area since 2018. With over 11 years of industry experience, our licensed and insured professionals are dedicated to addressing your foundation concerns with precision and care. As a locally-owned, family-operated business, we understand the unique challenges that South Dakota homes face, and we're committed to offering multiple solution options and working within your budget.

Our owner is present on every job site, ensuring that each project meets our high standards of quality. Our technicians are not commissioned, allowing them to focus solely on what's best for your home. We provide free, no-obligation estimates within 1-2 business days, and offer flexible scheduling. With our labor warranties and honoring manufacturers' 25-year warranty on piers, you can trust that your investment is protected. For trusted foundation repair services that prioritize your home's stability and your peace of mind, contact us today.

Why Choose Us

Over 11 Years of Experience

Licensed and Insured Professionals

Owner On-Site for Every Project

No-Obligation, Free Estimates in 1-2 Business Days

Labor Warranties Available

We Honor Manufacturers' 25-Year Warranty on Piers

Sunken Foundation Solutions

Basement Waterproofing

Protect your home's foundation and living space with our basement waterproofing services. We employ advanced techniques and high-quality materials to create a robust barrier against moisture intrusion, ensuring a dry and healthy basement environment. For foundation repair in Rapid City, SD and beyond, give us a call!

Crawl Space Repair

Don't let crawl space issues compromise your home's structural integrity. Our expert team specializes in crawl space repair, addressing moisture problems, insulation issues, and structural concerns to create a clean, dry, and energy-efficient foundation for your home.

Egress Windows

Enhance safety and add value to your home with our egress window installation services. We design and install code-compliant egress windows that provide emergency exits, improve natural light, and increase the usability of your basement spaces.

Foundation Repair Services

From minor cracks to major structural issues, our comprehensive foundation services address a wide range of concerns. We utilize state-of-the-art techniques and materials to stabilize, repair, and strengthen your home's foundation, ensuring long-lasting results.

Retaining Walls

Protect your property from soil erosion and create attractive landscaping features with our expertly designed and constructed retaining walls. We build durable, long-lasting structures that withstand the test of time and nature's elements.

Recent Projects

Excavated trench with yellow hydraulic jacks attached to a concrete wall. Black hoses and metal fittings visible.
Metal post embedded in soil, adjacent to a broken concrete foundation.
Foundation repair project: metal support brackets bolted to a concrete foundation. Soil trench is visible.

Here's what our satisfied customers are saying...

At Sunken Foundation Solutions, we take pride in providing exceptional foundation repair, basement waterproofing, and crawl space encapsulation services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Sunken Foundation Solutions and let others know what you think.

Frequently Asked Questions

  • What are the common signs that my foundation may need repair?

    Foundation problems often begin subtly and become more noticeable over time. Homeowners may first observe small cracks forming along interior drywall, exterior brick, or concrete block walls. While hairline cracks can sometimes be cosmetic, widening cracks or stair-step patterns in masonry often indicate movement beneath the home.


    Doors and windows are another area where foundation issues frequently show up. If doors suddenly stick, swing open on their own, or no longer latch properly, it may be due to changes in the home’s structural alignment. Gaps around window frames, baseboards pulling away from walls, or visible separations where walls meet ceilings are additional warning signs that shouldn’t be ignored.


    Outside the home, foundation concerns may appear as cracks in the foundation walls, leaning chimneys, or gaps between the foundation and siding. You might also notice soil pulling away from the foundation during dry periods or excessive moisture collecting near the base of the home after rainfall.


    If you notice one or more of these signs, it doesn’t automatically mean your home is unsafe, but it does indicate the need for a professional evaluation. Homeowners seeking foundation repair in Rapid City, SD often benefit from early assessments, which can help identify whether the issue is minor or part of a larger structural concern.



  • What causes foundation problems in homes in this region?

    Foundation issues typically stem from changes in the soil supporting the structure. In many parts of South Dakota, soil expands when it absorbs moisture and contracts during dry periods. This constant cycle of movement places stress on foundations, leading to settlement, cracking, or shifting over time. Seasonal weather changes can intensify this process, especially during periods of heavy rain followed by drought.


    Poor drainage is another common contributor. When water is not directed away from the home properly, it can saturate the soil around the foundation, reducing its ability to support the structure evenly. Clogged gutters, short downspouts, or improper grading can all allow water to pool near the foundation, increasing the risk of movement.


    Plumbing leaks beneath the home can also cause foundation issues. Even small, slow leaks may wash away soil or create soft spots that lead to uneven settling. Because these leaks are often hidden, foundation movement may be the first visible sign that something is wrong below the surface.


    Construction factors can play a role as well. Homes built on inadequately compacted soil or older properties constructed before modern foundation standards may be more vulnerable to movement. Understanding the underlying cause is a critical step in determining the right solution, which is why professional inspections are so valuable when evaluating foundation repair in Rapid City, SD.

  • How long does foundation repair usually take?

    The length of a foundation repair project depends on several factors, including the type of problem, the size of the home, and the repair method required. Some repairs, such as stabilizing a small section of a foundation or addressing isolated settlement, can often be completed in a short timeframe. More extensive structural work may take longer due to preparation, equipment setup, and careful execution.


    Before any work begins, a thorough evaluation is conducted to determine the scope of the repair. This assessment helps establish a realistic timeline and allows homeowners to understand what to expect throughout the process. In many cases, the majority of the work occurs outside or in limited areas of the home, which can help keep the project efficient.


    Weather conditions may also affect scheduling. While foundation repair can be performed during much of the year, extreme weather or frozen ground can influence timelines. Contractors typically plan around these factors to keep projects moving safely and effectively. Homeowners considering foundation repair in Rapid City, SD are often relieved to learn that most projects are measured in days rather than weeks.

  • Will foundation repair disrupt my daily routine or require me to leave my home?

    One of the most common concerns homeowners have is whether foundation repair will significantly interfere with daily life. In many cases, residents are able to remain in their homes throughout the repair process. While there may be noise from equipment or limited access to certain areas, disruptions are typically manageable and temporary.


    The level of disruption depends on where the work is being performed. Exterior foundation repairs generally have minimal impact on interior living spaces. Interior repairs, such as work in basements or crawl spaces, may require clearing those areas but rarely affect the entire home.


    Dust, vibrations, and noise can occur during certain stages of repair, but professional crews take steps to limit their impact. Protective coverings, controlled work zones, and clear scheduling all help reduce inconvenience for homeowners. Planning makes it easier to adjust routines if needed. For homeowners planning foundation repair in Rapid City, SD, understanding the process ahead of time can provide peace of mind.

Recent Blog Posts

foundation repair service
January 23, 2026
Learn how a foundation repair service identifies structural issues, prevents damage, and protects your home’s long-term value.
March 18, 2025
Have you considered a crawl space foundation? If so, here are a few benefits of using helical piles for your next crawl space foundation project.
August 3, 2023
Many people don't realize how important basement waterproofing is. Keep reading to see a few reasons why you should invest in this service.
June 5, 2023
You should never delay foundation wall repair when you need it. Keep reading to find out what you should know about your home's foundation.
March 28, 2023
If you're wondering when it's time to schedule foundation repair services as soon as possible, then take a look at this guide.