Serving Rapid City, SD, and Gillette, WY, and Surrounding Black Hills Area

Licensed & Insured

Sunken Foundation Solutions - Logo

Keeping your home on solid ground

Formerly Schlosser Construction

Same Ownership, Same Excellence

Request a Free Estimate

Owner On-Site for Every Project

We are expanding!

Now Serving Gillette, WY


FOUNDATION REPAIR

Expert Foundation Repair in Rapid City, SD

What sets us apart is we offer cost-savings tailored to your needs.

Licensed and Insured | Request a Free Estimate | Labor Warranties Available

Licensed and Insured

Request a Free Quote

Labor Warranties Available

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Masters of Foundation Repair Excellence

When your foundation begins to settle, crack or shift, timely and effective repair is crucial. Ignoring foundation problems can lead to costly repairs and even structural damage. The team at Sunken Foundation Solutions are the most trusted and expert foundation repair company who focuses on quality work and exceptional customer service. What sets us apart from our competition is our customer-centered approach. After conducting a free on-site inspection, the owner, Bill Schlosser, will give you a customized solution that fit your needs and budget. Other companies will likely only give you one option that makes them the most profit, whereas Bill is more focused on what is best for you, not the bottom line. Getting a second estimate from Sunken Foundation Solutions will likely be more cost effective. And you don’t have to wait either. Bill answers his phone or will return a call or email no later than the next business day!


Foundation repair is something that should never be ignored. If you're looking for the helical piers Gillette, WY has utilized and relied on for years, Sunken Foundation Solutions is definitely the place to call. Our team will be more than happy to assist you and ensure your fondation is stable and safe. Your satisfaction and safety are always our highest priorty, no matter the circumstances. If you're ready to get started with us, call our office today if you're in need of helical piers in Rapid City, SD. We look forward to hearing from you and working with you in the near future!

Signs Your Foundation Needs Repair

  • Cracks in walls, ceilings, or floors
  • Uneven or sloping floors
  • Sticking doors and windows
  • Gaps between walls and ceilings or floors
  • Bowing or leaning basement walls

Why Choose Us for Your Foundation Repair Needs?

  • Expertise You Can Trust: Our certified technicians have years of experience diagnosing and repairing all types of foundation issues.
  • Tailored Solutions: Every property is unique, and so is our approach. We develop customized repair plans based on your specific needs.
  • Advanced Techniques: From push piers to helical piers and wall anchors, we use the latest technology to deliver lasting results.
  • Customer Satisfaction: Your peace of mind is our top priority. We stand by our work with warranties and exceptional customer service.
  • Free Inspections: Not sure if you need repairs? Schedule a free, no-obligation inspection today.

Tailored Repair Solutions for your Foundation Needs

Helical Piers are a steel shafts with helical plates, designed to screw into the ground like a corkscrew. They work with light to heavy structures, including new construction and are ideal for structures that have limited access to equipment. They are effective in a wide range of soil types such as sandy, clay or loose soil conditions. Helical Piers are especially useful in situations where traditional concrete foundations might not be feasible. Installation is quick, clean and doesn’t require extensive excavation. Once installed, helical piers are ready to support your foundation immediately. They provide a permanent, cost-effective solution for residential, commercial and industrial structures.


Push Piers are a highly effective solution for stabilizing and lifting sinking or settling foundations. Made of heavy-duty steel, these piers are hydraulically driven deep into stable soil or bedrock, bypassing week or unstable layers. In many cases, push piers can lift your foundation back to its original level. The weight of the structure is transferred from unstable soil to the piers. Like helical piers, installation requires minimal excavation and disruption to your property. Once the foundation is secure, cracks and other structural issues can be repaired to restore your property’s integrity. Push piers provide a permanent solution to foundation problems, ensuring your home or building stands strong for years to come.


Interested in learning more about Push Piers and Helical Piers? Click here for more information.

Basement Wall Anchor Systems

Bowing, leaning, or cracking basement walls can be a serious sign of foundation trouble. Wall anchor systems use heavy-duty anchors placed deep into stable soil and are connected to your basement walls through steel rods. It is suitable for block, poured concrete, or stone fabrication walls. It is a cost-effective solution because it is a long-lasting fix, avoiding the need for wall replacement.

Signs You May Need Wall Anchors

  • Bowing or leaning basement walls
  • Horizontal or stair-step cracks in walls
  • Bulging walls or walls pushed inward
  • Water leaks or moisture issues in the basement
  • Gaps between walls and floors



Don’t ignore these warning signs, contact us for a free inspection and consultation.

A house with a lot of screws in the ground
A drawing of the foundation of a house
A concrete wall is being built next to a brick wall

Basement Wall Anchor System

Beam Repair

Why Sunken Foundation Solutions is your trusted name in construction services

Free, Immediate Estimates
Licensed and Insured Professionals
We Honor Manufacturers' 25-Year Warranty on Piers

Our Owner Is On-Site for Every Project

Labor Warranties Available

Locally Owned Since 2018

Learn More About

Sunken Foundation Solutions

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