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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 Atlas Restoration LLC
Atlas Restoration LLC
4.6(
205
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationConcrete Foundation - RaiseConcrete Foundation - Repair+1 more

Serving Johnsburg, IL and surrounding areas

Approved

In business since 1979

Free estimates

Warranties offered

"The estimator (Kaz) was prompt, informative, and responsive to my many queries before I signed a contract. The project manager and workers were all very prompt, professional, and courteous. They were respectful of our property and that of our neighbors, taking off their shoes when inside and cleaning up their work. I asked them to run an additional line from one of my downspouts, which was done without incident. We also worked together to problem solve an issue related to the sump discharge line. On day 1, they cut our buried cable line because it was marked incorrectly. However, the foreman called the company and it was resolved/fixed within a few hours (it has taken more than a day in the past when I’ve called!). I was quite surprised at how they cleaned up after excavating for the 6 inch drainage pipes. They estimated 5 days to complete the work and finished in 3 days. While I was not excited to spend that much to fix the problem, we knew we needed to address the improper drainage. Additionally, while I feel that I know what needed to be done and probably could have done so myself for less money, it would have taken me 3 months, not 3 days with my schedule. Overall, I’ve been pleased with the work and may have them come back and address an additional drainage issue in our yard in the future."
Sump Pump Installation
Foundation Repair
Crawl Space Encapsulation
Sump Pump Installation
Crawl Space Encapsulation

+17

Response time12 hrs
Response rate100%
14 neighbors recently requested a quote
Avatar for The Real Seal LLC
The Real Seal LLC
5.0(
252
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationFoundation Drainage - Install or ReplaceConcrete Foundation - Repair+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
247 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

"If I had not had that put in, I would have been flooded a couple of weeks ago when we had water drainage here. I didn't compare the price to anything. I didn't take any other prices, so I don't know if that was a good price or not. It seems to be fine. It hasn't been in very long, but the sump pump works great. They were here right away. They did the work just like they said they would do it, in the time they said they would do it. Their work is guaranteed, so if something were to go wrong, I could call them and they would fix it."
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

50 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Perma-Seal Basement Systems
Perma-Seal Basement Systems
4.4(
1,538
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationConcrete Foundation - RepairConcrete Foundation - Raise+1 more

Serving Johnsburg, IL and surrounding areas

Approved

Super Service Award Winner

In business since 1979

Free estimates

Emergency services offered

"I'm proud to hear my son, Robert Wolfrum, is working for Perma-Seal. I first used Perma-Seal in the 80's for a foundation crack repair in our South Holland, IL home and then again at our Tinley Park, IL home. Both experiences were memorable and professional and fixed our basement water problems. It is good to know that my son is working for a reputable company that has been doing quality work for decades. I was surprised to hear that they do insulation and concrete leveling."
Thermal imaging
Blower door test
Old insulation removal
New blown insulation
Perma-Seal Attic Insulation

+48

Response time1 day
Response rate100%
47 neighbors recently requested a quote
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
23 neighbors recently requested a quote
Recommended by94%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

Crumbling concrete steps will affect your ability to drill into the material and affix a sturdy railing. If the damage is primarily cosmetic, you might be able to DIY the repair with a patch kit. If the concrete is badly crumbling, hire a professional who specializes in pouring concrete. The average concrete step repair cost is $500 from a professional, but the extent of the damage will determine your actual cost. The professional may recommend a replacement if the damage is extensive.

Yes, slab foundations can sink just like any other foundation type. Floating slabs are the most prone to differential settlement and foundation sinking because they sit directly on the surface of the earth. Slab foundations that have footings—including slab-on-grade foundations and monolithic slab foundations—get additional support from soil further down and are less likely to sink over time, especially under larger, heavier structures.

Foundation settlement should be a concern if you notice it happening suddenly and years after construction, if the settlement results in signs of structural damage in your home, or if it happens after a flood, nearby sinkhole, or earthquake. Some signs of severe foundation settlement that should prompt you to call a repair specialist include sloping or uneven floors, large cracks in your foundation, moisture issues or pest infestation in your basement or crawl space, and an uneven roofline.

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.

It is possible for a slab leak to cause a sinkhole, but it would have to be a particularly serious leak. A slab leak causes the land under your home to erode and if there is enough movement depressions will form in the ground, potentially causing a sinkhole.

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.