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  • Average homeowner rating star icon4.2
    Average homeowner rating
  • Verified reviews icon198
    Verified house leveling services reviews

Top-Rated House leveling pros in Darien - Updated Nov 2026

Avatar for Perma-Seal Basement Systems
Perma-Seal Basement Systems
4.4(
1,538
)
Concrete Foundation - RepairConcrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business+1 more

Serving Darien, IL and surrounding areas

Approved

Super Service Award Winner

In business since 1979

Free estimates

Emergency services offered

"This was our second time working with Permeseal. Had a great experience the first time was they remediated four foundation cracks. This time, stabilized concrete steps that had pulled away from house, amd leveled out a sidewalk.. They explained the remediation effort and went to work. Very conscientious and true craftsmen."
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 DNB Concrete Raising
DNB Concrete Raising
4.5(
220
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Darien, IL and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"Freaking Amazing! These guys busted their buns! Itâ s impossible to know whatâ s under the cement that needs raising. Turns out a family of 4 could have lived in the cavern below our sinking patio. They didnâ t charge a nickel more for the extra time or materials! They also figured out how and why. The yard was graded towards the house in one spot. Because of that issue my sump pump would start running just before the rain starts and run on and off until about a day after. They leveled the cement and I followed their instructions to regrade the yard. Several years later, cement is still level and my sump pump almost never runs. My neighbors noticed that that their pumps run when they never ran before."
sidewalk
sidewlk
front porch
front porch
patio

+25

Response time1 day
32 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Ulb-Dry Waterproofing Inc
Ulb-Dry Waterproofing Inc
4.9(
130
)
Concrete Foundation - Repair

Serving Darien, IL and surrounding areas

Approved

In business since 2011

Free estimates

Credit card accepted

"Stoyan was extremely professional and honest. He called before arriving, arrived on time and looked around. He had me describe what I had observed, inspected my ejection well and my walls and foundation. He did state that he could not see everything because the basement was finished but from what he could see, it was not an interior unit problem, but rather an exterior (HOA) issue. I asked him if he could chat with a friend on the phone who was trying to help me. Stoyan patiently discussed the entire situation with my friend and discussed options etc. There was absolutely NO ATTEMPT to oversell me or sell me something that I did not need. I asked him if he would mind looking at my neighbor's basement while he was there. He said he would. We went over and Stoyan examined my neighbors's basement. He basically said the same thing, that as far as this general seepage goes, it was an outside drainage issue. He patiently explained to both of us, how this should all work for our four unit building. I cannot say enough positive things. I highly recommend this company."
Exposed Wall
After
Install Drainage mat over Stone
Additional Photos
Clean Wall crack

+2

Response time1 day
18 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for U.S. Waterproofing
U.S. Waterproofing
4.2(
598
)
Concrete - Injection Leveling - Mudjacking

Serving Darien, IL and surrounding areas

Approved

In business since 1957

Free estimates

Warranties offered

"Good work in general; our basement no longer sees water for over 3 years now, which is the most important thing. But there were some real issues: The biggest issue is that USW did not adhere to local electrical codes, and did not arrange for a final inspection of the project. So we didn't find out that it wasn't to code until years later, and now it's a big hassle and minor cost to fix and get the permits. Ask your local gov yourself what you need to do for permits and inspections; don't rely on USW! USW said they would seal any foundation cracks found along the way; they didn't do this until I bugged the warranty dept about it (but they did do it eventually). USW sent someone out for the "annual checkup"... over 2 years after the install. It's a good thing they (eventually) did, because they discovered the backup battery wasn't charging. Now I know to check this stuff better myself. Prices also vary wildly and are kind of negotiable (I'd give more detail but I'm out of space)"
Radon Mitigation
Radon Mitigation
Basement Waterproofing
Basement Waterproofing
Response time1 day
Response rate100%
14 neighbors recently requested a quote
Avatar for Clean Edge Construction, Inc.
Clean Edge Construction, Inc.
5.0(
12
)
Find a Custom Home Builder

Serving Darien, IL and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"We actually had 4 major renovations - the basement finished, master bath remodel, kitchen remodel, and garage finished. Started the projects on 6/1/2022 and finished on 7/31/2022 - amazing time frame. Projects flowed smoothly, attention to detail was awesome. All of our questions and concerns were addressed to give us the utmost comfort level to choose Aaron/Clean Edge to handle our remodeling projects. Carmella did an awesome job in keeping us updated on when to expect contractors to be in the home. There is not one thing that I would have changed in what was done, but believe me, we did change things as we moved along in the projects... added a 1/2 bath in the basement and changed the kitchen and basement counter choices. Aaron and crew were amazing to work with. I would highly recommend them and were very happy to work with them."
The Woodland House
The Woodland House
The Woodland House
The Woodland House
The Woodland House

+23

Response time1 day
40 neighbors recently requested a quote
Recommended by45%of homeowners
Avatar for The Real Seal LLC
The Real Seal LLC
5.0(
252
)
Concrete - Injection Leveling - MudjackingConcrete Foundation - RepairConcrete Foundation - Raise

Serving Darien, IL and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

"RealSeal installed new drainage tiles and a sump pump in my approx. 950 sq. ft. basement. They also installed a tough waterproof membrane around that periphery. In order to do this, they had to cut out the bottom 2-4 ft of the drywall and studs in 2 rooms down there, and dispose of the debris. The ONLY reason I'm not giving them 100% on quality is that, while replacing the cement and rebuilding the slab for my laundry tub, they did not make the slab level, which has resulted in adjustments that are difficult to make, as my laundry tub is extremely heavy and difficult to nudge. Other than the problem with the slab, the workers were professional in their manner, and it appears that RealSeal has equipped them with very good gear and conditions; they seemed to actually enjoy their work. Jose, the foreman, was extremely helpful in answering all of my questions. And Dan, the salesman, was also great in answering my many, many questions. The video on RealSeal's website was a good resource for me in envisioning the project. I would definitely recommend RealSeal to others."
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
244 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Atlas Restoration LLC
Atlas Restoration LLC
4.6(
205
)
Concrete Foundation - RepairConcrete Foundation - Raise

Serving Darien, IL and surrounding areas

Approved

In business since 1979

Free estimates

Warranties offered

"We did not have the work done. We will monitor the situation to see if the front of the house sinks more. In the meantime, we will patch the cracks. I gave their pricing a "C," but I did not do a thorough check of competitive pricing; therefore, considering the helpfulness of Jason, I gave them an overall "A" rating."
Sump Pump Installation
Foundation Repair
Crawl Space Encapsulation
Sump Pump Installation
Crawl Space Encapsulation

+17

Response time12 hrs
Response rate100%
15 neighbors recently requested a quote
Mainstreet Services
4.0(
30
)
Find a Custom Home Builder

Serving Darien, IL and surrounding areas

Approved

In business since 1988

Free estimates

Credit card accepted

Mainstreet Accessibility is a reliable, customer-focused general contractor specializing in custom accessibility solutions for homes and businesses. We design and build handicap-accessible spaces, including room additions, widened doorways, zero-barrier bathrooms, and accessible kitchens and bedrooms. \n \nWe install wheelchair ramps, lifts, stair lifts, and elevators, with custom wood and modular ramp systems available. Our aluminum modular ramps are code-compliant, allow proper drainage, and come with a lifetime warranty, with installation completed in hours, not days. \n \nWe work with Medicare, Medicaid, the VA, and most insurance providers. Purchase, lease, and payment plan options are available to make accessibility simple and affordable.

2 neighbors recently requested a quote
Recommended by95%of homeowners
A P Builder & General Contractor LLC
4.1(
98
)
Find a Custom Home Builder

Serving Darien, IL and surrounding areas

Approved

Warranties offered

Customers say: Super punctual

"We recently had our two main bathrooms remodeled by A P Builder (Owner is Angelo). We are totally thrilled with the end results of these projects. Angelo was involved in every phase of the project, many times offering valuable suggestions that we had not thought about. The work was done while paying attention to every detail, no matter how large or small. If and when there was a “glitch”, it was dealt with promptly and completely to our satisfaction. I would highly recommend Angelo and his company for future work at our home. Bravo to A.P. Builders and Angelo for a JOB WELL DONE!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+16

Response time5 days
Response rate99%
4 neighbors recently requested a quote
Avatar for Summit Development Group
Summit Development Group
4.9(
16
)
Find a Custom Home Builder

Serving Darien, IL and surrounding areas

Approved

In business since 2016

Free estimates

Warranties offered

"We tasked Summit with finishing/remodeling our basement which included a full kitchen, full bathroom and a wet-bar. All the selections we made as a team along side Matt exceeded our expectations, we couldnâ t be happier with the final result. Thank you to him and his team!"
After 1
Family Room Addition
Front Exterior
Seating Area
Before 1

+39

Response time3 days
5 neighbors recently requested a quote
Recommended by91%of homeowners
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House Leveling FAQs, answered by experts

It restores concrete, prevents replacement cost disruptions, reduces trip hazards, and provides stability at a lower cost.

Mudjacking restores level surfaces, prevents further damage, and is more cost-effective than a full replacement.

Pros often use mudjacking or polyurethane foam injection to level a sunken concrete patio. Both methods lift the slab by filling voids beneath it. After properly compacting the soil beneath it to prevent future settling, the concrete may need to be removed and re-poured for severe sinking.

Many contractors offer warranties for their work. Confirm terms before starting the project.

There is no real alternative to underpinning, although mudjacking and polyjacking are other repair methods that can add support from underneath your foundation. Rather than placing supportive piers under your structure, these involve pumping a material under your slab to lift a sunken section back into its original position. Polyjacking, in particular, is sometimes a suitable solution for stabilization issues under slab foundations, but underpinning is often accepted as the best and most permanent solution.

The Darien, IL homeowners’ guide to house leveling services

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