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TRUSTED BY THORNTON, IL HOMEOWNERS

  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon97
    Verified house leveling services reviews

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

Avatar for Perma-Seal Basement Systems
Perma-Seal Basement Systems
4.4(
1,540
)
Concrete Foundation - RepairConcrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business+1 more

Serving Thornton, IL and surrounding areas

Approved

Super Service Award Winner

In business since 1979

Free estimates

Emergency services offered

"I had my preventative maintenance appointment with Jim Ballard and he was great! I had a few questions about several services that PS offers and Jim thoroughly went over everything with me. I will definitely be booking an appointment again for poly leveling when the weather allows and have full trust that everyone I deal with will be just as great as Jim was!"
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 U.S. Waterproofing
U.S. Waterproofing
4.2(
598
)
Concrete - Injection Leveling - Mudjacking

Serving Thornton, IL and surrounding areas

Approved

In business since 1957

Free estimates

Warranties offered

"Herb Blackmon was our first point
of contact with US Waterproofing.  He provided a detailed explanation of
what was causing the leak in our basement.  Herb was very knowledgeable
and explained the issues we were facing in a manner that was easy to understand.
 He presented us with several options and we decided to install the drain
tile system in our entire basement as well as a new concrete floor.
The job took about a week to complete.  It was originally supposed to take about 48
hours but when we decided to have a new floor installed and to have the old
floor dug out to gain a few inches of height in the basement it extended the
time of the job.  The crew arrived
promptly every day and began by breaking up and removing the old floor.  Once that was done they began the process of installing
the drain tile system and digging out the dirt/sand to gain additional ceiling
height.  Once that was complete they
dumped the rocks and gravel and began laying the concrete floor.  We were very satisfied with the work of US
Waterproofing from start to finish.  Herb
was an awesome salesman.  He was
knowledgeable without being undermining and pushy and he was patient and gave
us great advice about how we were to proceed. 
The crew was hardworking and professional.  I would recommend US Waterproofing to anyone
seeking to address leaky basement issues or have a new floor installed. The
quality of their work enabled us to be able to remodel our basement."
Radon Mitigation
Radon Mitigation
Basement Waterproofing
Basement Waterproofing
Response time1 day
Response rate100%
17 neighbors recently requested a quote
Avatar for The Real Seal LLC
The Real Seal LLC
5.0(
252
)
Concrete - Injection Leveling - MudjackingConcrete Foundation - RepairConcrete Foundation - Raise

Serving Thornton, IL and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

"What a positive experience. I thought Manny was great, and Luis was as well. It’s such a stressful thing to have water coming in, but I felt so much better after Manny’s visit, and after Luis’ work. It was such a great experience, I will recommend Real Seal to anybody I know that has water issues. Luis had to take down drywall to get to the problem, but you'd never know anyone was in the house doing any work. He cleaned up and left it spotless. I found Real Seal to be up front and honest, in fact my bill was less than quoted. And it's a lifetime warranty! You can't ask for better than that. Highly recommend."
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
232 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for AccuLevel, Inc. - Northern Illinois
AccuLevel, Inc. - Northern Illinois
3.9(
215
)
Concrete Foundation - RepairConcrete Foundation - Raise

Serving Thornton, IL and surrounding areas

Approved

In business since 1996

Free estimates

Warranties offered

"Acculevel did a super job for us! We have a house that was built in 1902 with a small crawl space. They fixed ALL our problems and did NOT have to tear up the floors. Our floors are level and stable. They were professional and neat. I would hire them for any basement or foundation issues you wont be sorry! 10 stars to the crew"
Wall Anchors
Exterior Foundation Repair
Bowed Wall Foundation Repair AFTER
Horizontal Wall Crack BEFORE
Exterior Wall Anchors

+31

Response time4 days
87 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Chicago Basement Systems
Chicago Basement Systems
5.0(
8
)
Concrete Foundation - RepairConcrete Foundation - Raise

Serving Thornton, IL and surrounding areas

Approved

In business since 2005

Free estimates

Warranties offered

"I needed the sill plate and rim joist replaced, sister in the joist in the front of our house. They had many jobs going on so they brought in a crew Anthony, Jerry and Jose from New Jersey so the could get mine done. Anthony let me know what they were doing as things progressed. He asked me if I had questions as he worked. Everyone in the crew where so considerate. The laid down tarps to walk on so as not to damage my floors and they cleaned up everything and the end of the day. I would recommend Chicago Basement Solutions to anyone who needs work done in their crawl of basement."
Crack Repair Before
Crack Repair After
99 neighbors recently requested a quote
Avatar for The Real Seal, LLC
The Real Seal, LLC
4.5(
38
)
Concrete Foundation - RepairConcrete - Injection Leveling - MudjackingConcrete Foundation - Raise

Serving Thornton, IL and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

"I had been having water leakage problems into my lower level family room for quite some time. Real Seal correctly diagnosed the problem, quoted a reasonable price, showed up to perform the work per agreed upon date and fixed it permanently. Even with the wet spring this year, I have not had any further water leakage problem. I highly recommend this 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
27 neighbors recently requested a quote
Recommended by94%of homeowners
ELITE AND ELEVATED CONSTRUCTION LLC
4.3(
12
)
Find a Custom Home Builder

Serving Thornton, IL and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

ELITE AND ELEVATED CONSTRUCTION LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

20 neighbors recently requested a quote
Recommended by10%of homeowners
Avatar for M3 Construction Group
M3 Construction Group
New to Angi
Concrete - Injection Leveling - MudjackingConcrete Foundation - RaiseConcrete Foundation - Repair

Serving Thornton, IL and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

As a Licensed General Contractor & Masonry Specialist, with a focus on precision and structural integrity, I provide specialized masonry and restoration services designed to protect your investment. Whether it is a historic restoration or a modern repair, I combine technical expertise with high-quality craftsmanship to ensure your building stands the test of time.\nOur Core Services:\n• Masonry & Tuckpointing: Expert brick and stone repair, chimney rebuilding, and precision mortar matching.\n• Foundation & Waterproofing: Comprehensive crack repair and moisture barriers to keep your structure stable and dry.\n• Demolition: Safe, controlled deconstruction and site preparation for any renovation project.\n• Safety First: I am an EPA-certified Lead Renovator, ensuring all work on older properties is handled safely and legally.

Apartment Hall Remodel
Apartment Hall Remodel
Apartment Hall Remodel
Apartment Hall Remodel
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House Leveling FAQs, answered by experts

A sinking foundation can be lifted, most often by installing piers to re-level and support the weight of the house. Depending on the cause and extent of the sinking, other methods to lift a foundation include underpinning and mudjacking. Consult a foundation repair pro to determine the best way to lift your sinking foundation. 

A slurry of cement, sand, and water is injected beneath the concrete to lift and stabilize it.

Costs range from $500 to $1,500, depending on the size and condition of the area.

Common issues with concrete that may require professional repair or resurfacing include cracks, spalling, uneven surfaces, and weather damage.

Mudjacking typically takes 24 to 72 hours (one to three days) to dry and cure completely before you can resume normal use. The exact time can vary depending on the size of the project. Because the slurry mixture contains cement, it must fully harden to ensure that added weight from walking, furniture, or vehicles won't shift the concrete slab. A professional contractor can advise you on when the surface is safe to use. For comparison, if you use polyjacking instead, the polyurethane foam can dry in just a few minutes, but it's best to wait about an hour before use.

The Thornton, IL homeowners’ guide to house leveling services

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