Spearfish, SD – Basement Waterproofing, Foundation Repair, Crawl Space Repair & Encapsulation
Also Offering Concrete Leveling & Radon Testing & Mitigation

Get a free repair estimate from Blackburn Foundation Repair or call toll-free at (800) 392-3389 if you have any concerns about your home’s basement, crawl space or foundation.
Basement Waterproofing – Spearfish, SD
Spearfish, SD is the largest and fastest-growing metropolitan area in South Dakota. This accounts for steady increases in the number of new construction homes in the area. Basements are attractive options because they maximize the usable square footage of properties. However, constructing moisture-resistant, underground interior space is a challenge that has been around since early engineers designed the first basements.
- Use of highly effective interior sub-floor design that helps to move water away from your basement
- Expert installation of the Basement Systems Network’s patented WaterGuard Basement Drainage System that resists clogging
- Permanently dry basements
- Improved home value
Foundation Repair – Spearfish, SD

Blackburn Foundation Repair serving Spearfish, SD is an industry-leading foundation repair company. As such we provide top-quality, professional foundation repair and support services and solutions. Our structural engineers and foundation repair contractors specialize in a wide variety of techniques, including crawl space piering and reinforcement, foundation earth anchoring, foundation wall anchor installations, push piers and all manner of foundation support solutions for failing or weakened home foundations.
Your home is one of your most valuable assets. When you suspect that your foundation is in need of repair, it is best to call the experts right away before matters get worse. Here are some of the warning signs that your foundation may be in need of some care.
- Noticeable split or space between ceilings and finish work.
- Windows that stick shut
- Nail pops
- Interior dry wall cracks
Because not all foundation repair problems are the same, our seasoned structural engineers and construction experts use a variety of foundation repair techniques. Some foundation support solutions include foundation earth anchoring, installation of wall anchors and the positioning of push piers. We specialize in bringing peace of mind to our Spearfish, SD customers with accurate problem assessments, state-of-the-art foundation repair solutions, premium materials and outstanding customer service.
Crawl Space Repair – Spearfish, SD
One of the most common signs of foundation failure is a sagging floor in homes with crawl space foundations. Our featured solution for this type of problem is the SmartJack Crawl Space Support System. This leading-edge system uses galvanized steel to support sagging floor beams and joists. Since the SmartJack is adjustable and easy to install, it is a superior solution over concrete columns and light-duty jack posts. Besides crawl space foundation repair solutions, our technicians can also seal your home’s crawl space to prevent structural damage and household illnesses that are caused by mold, mildew and rot.

Concrete Leveling and Lifting | PolyLEVEL™

Blackburn Foundation Repair is a top concrete leveling company serving Spearfish, SD. The professional concrete raising contractors at Blackburn Foundation Repair will help you lift, stabilize and protect broken or sunken concrete.
Have you noticed dangerous cracks and uneven surfaces forming in your driveway, sidewalk, concrete steps, or patio?
Having problems with sunken outdoor concrete is not unusual in Rapid City, SD where soil erosion is often the result of the changing seasons and a weak soil base.
While other contractors may rely on short-term fixes such as mudjacking or slabjacking, we use the revolutionary PolyLEVEL™ material to fix unsettled soil and to level concrete. PolyLEVEL™ is able to physically lift your concrete slabs and return them to their desired level positions while also leveling the ground underneath. This process prevents continued soil settlement, cracking and uneven concrete in the future.
- Affordable
- Fast-acting
- Adjustable
- Noninvasive
- Environmentally-friendly
- Strong and lightweight
- Waterproof
Radon Testing and Mitigation in Spearfish, SD

Blackburn Foundation Repair is top radon mitigation company providing free radon home test kits in Spearfish, SD. The professional radon mitigation contractors at Blackburn Foundation Repair will get your results back to you as quickly as possible.
Keeping your Spearfish, SD home properly maintained serves as a protection for yourself and your loved ones. It ensures your home is a safe place for everyone who enters it. However, there is a hidden threat to your home and the safety of your family that many people don’t give realize occurs.
Radon is a radioactive, invisible and odorless natural gas that exists in the ground, drinking water, rock formations, building materials, and many other natural outdoor elements. Radon is classified as a carcinogen, which means that exposure to high levels of this natural gas can increase a person’s risk of developing lung cancer. Second only to tobacco use, radon is classified as one of the leading causes of lung cancer in the United States.
Call Blackburn Foundation Repair
We understand that discovering structural and moisture damage to foundations, crawl spaces and basements is frustrating. That is why we make the repair process hassle-free by offering no-obligation, free estimates. Our work is also guaranteed for the life of the structure. If you live in the Spearfish, SD metropolitan area, call us today to find out how we can help you to protect your real estate investment.
Get a free repair estimate from Blackburn Foundation Repair or call toll-free at (800) 392-3389.
Job Stories
Concrete Slab Leveling in Spearfish, SD
A 2013 Spearfish, SD home faced sinking concrete and a failing garage floor drain. The driveway and sidewalk had settled, creating noticeable gaps and trip hazards, while the non-functioning drain raised concerns about water damage.
Using our advanced PolyLevel® system, Blackburn Foundation Repair lifted and leveled the concrete by injecting expanding polyurethane foam beneath the slabs. This process closed the gaps, stabilized the surfaces, and restored the drain’s functionality.