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  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon66
    Verified foundation repairs reviews

Top-Rated Foundation repair specialists in Johnsburg - Updated Nov 2026

Avatar for The Real Seal LLC
The Real Seal LLC
5.0(
252
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationConcrete Foundation - RepairFoundation Drainage - Install or Replace+1 more

Serving Johnsburg, IL and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

"We were getting some water in our basement, which The Real Seal determined was coming from a crack in the foundation. They identified and repaired the crack quickly. Our technician worked neatly and efficiently, and all staff were pleasant and responsive throughout the process."
Before and After Crack Repair
I Beam Supports
Polyjacking in Darien
Our Carbon Fiber Straps Repair Before, During, and After
Crack repaired with Carbon Fiber Staples

+39

Response time10 hrs
249 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for LA Basement Waterproofing and Foundation Repair
LA Basement Waterproofing and Foundation Repair
5.0(
23
)
Foundation Drainage - Install or ReplaceFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Johnsburg, IL and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

We're a locally owned and operated company with several years of industry experience. We value honesty and integrity in all aspects of our business. We offer a variety of Home Improvement services that are customizable to each individual project. We specialize in Basement Waterproofing work and a variety of related service and repair projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

Response time5 hrs
Response rate85%
Recommended by100%of homeowners
Avatar for U.S. Waterproofing
U.S. Waterproofing
4.2(
598
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationFoundation Drainage - Install or Replace

Serving Johnsburg, IL and surrounding areas

Approved

In business since 1957

Free estimates

Warranties offered

"Crawlspace was done well and when I found an issue they came back and fixed it right away. Price was in the ball park with other companies. However, we had an exterior foundation leak repaired as well, and they installed a mesh to prevent water from leaking in. 8 months later when water is now leaking in and around their "fix" they won't repair under warranty because "weather conditions are beyond our control". DO NOT USE THEM FOR ANY OUTDOOR SERVICES."
Radon Mitigation
Radon Mitigation
Basement Waterproofing
Basement Waterproofing
Response time1 day
Response rate100%
14 neighbors recently requested a quote
Avatar for Groundworks
Groundworks
4.6(
917
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationConcrete Foundation - RepairConcrete Foundation - Raise+1 more

Serving Johnsburg, IL and surrounding areas

Approved (Corporate)

In business since 1993

Free estimates

Small jobs welcome

Groundworks is the North America's leading and fastest-growing foundation repair and water management solutions provider. Groundworks is a vertically integrated company with its own manufacturing operations and a world-class software solution, allowing us to serve our customers more effectively. From the first phone call to the annual maintenance offered, our customers have peace of mind knowing we're there with one mission to repair, protect and improve their home. For state licenses visit Groundworks.com/licensing

Basement
Basement
Basement
Concrete
Concrete

+13

46 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for The Real Seal, LLC
The Real Seal, LLC
4.5(
38
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationConcrete Foundation - RepairFoundation Drainage - Install or Replace+1 more

Serving Johnsburg, IL and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

"The worker who came over saw my situation and unoffically suggested a repair that would be cheap for me rather than have him and his crew come out and charge me a few thousand. I appreciated that he wanted what was best for me and not necessarily best for his company."
 Interior Foundation Crack Repair
Exterior Drain Tile System
 PHCC 1730 Battery Backup System w/ 1033 sump pump
 Interior Foundation Crack Repair
Cut-out of Interior Drain Tile System

+74

Response time10 hrs
18 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for AccuLevel, Inc. - Illinois
AccuLevel, Inc. - Illinois
3.9(
231
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationConcrete Foundation - Raise

Serving Johnsburg, IL and surrounding areas

Approved

In business since 1996

Free estimates

Warranties offered

"Great customer service and the work they did repairing our foundation and water leakage looks amazing. Price was very competitive if not better than others. I am extremely pleased and would recommend AccuLevel to anyone with foundation and water leakage problems."
Basement Waterproofing and Drainage Channels
Drainage Channel Install
Dimple Board and Drainage Channel Install
Dimple Board Closeup Example
Cross Section Example Waterproofing Installation

+19

14 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Everseal Basement, Inc.
Everseal Basement, Inc.
4.5(
130
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Johnsburg, IL and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

"Everseal did a great job and cleaned up as best as possible after having 14 cracks fixed. It was a little hard initially to get the appointment scheduled but after that everything was ok. Probable because pretty busy lots of water so far this season. No leaks yet however only be a day."
Response time1 day
Response rate88%
4 neighbors recently requested a quote
Avatar for Best Solutions Basement Repairs & Waterproofing
Best Solutions Basement Repairs & Waterproofing
5.0(
5
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Johnsburg, IL and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

before
after picture
Response time2 days
8 neighbors recently requested a quote
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Foundation Repair FAQs, answered by experts

Trenchless sewer replacements are actually a great solution for sewer lines located under concrete. A professional can still sleeve and burst old piping to make room for a new one without having to dig up your slab.

Yes. Foundation walls are always load-bearing.

Concrete pools are very durable but can crack if not properly maintained. The most significant risk is winter weather and low temperatures when water can seep into crevices and freeze. To avoid damage, use the proper winterization chemicals, and don’t completely drain your pool. Concrete pool repairs cost around $75 per linear foot for small cracks.

Foundation problems are costly to repair, but if you already own the home, you can either handle the issues or allow the property to (literally) sink into disrepair. The opposite is true when buying a home. Walk away if the seller refuses to lower the asking price once foundation issues are exposed or if they refuse to handle the problems before the completion of the sale.

You’ll need to reseal the foundation every five to 10 years, depending on the sealant you’ve used, the moisture conditions present in and around your home, and the condition of your foundation. Having a foundation inspection conducted before reapplication can help you catch any problems before you begin resealing. Of course, if you notice any new leaks or other moisture problems at any time, it may be necessary to reseal the foundation sooner.

The Johnsburg, IL homeowners’ guide to foundation repairs

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