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TRUSTED BY MARKHAM, IL HOMEOWNERS

  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon61
    Verified foundation repairs reviews

Find Foundation repair specialists in Markham

Avatar for The Real Seal LLC
The Real Seal LLC
5.0(
252
)

Serving Markham, 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
318 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for U.S. Waterproofing
U.S. Waterproofing
4.2(
597
)

Serving Markham, 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%
35 neighbors recently requested a quote
Avatar for The Real Seal, LLC
The Real Seal, LLC
4.5(
38
)

Serving Markham, 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
35 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Chicago Basement Systems
Chicago Basement Systems
5.0(
8
)

Serving Markham, IL and surrounding areas

Approved

In business since 2005

Free estimates

Warranties offered

"I would like to thank Mariano and crew from Chicago Basement Systems for the very efficient work they performed in my home crawl space. They replaced my failed sump pump and drain tile; installed a Sani-Dry Sedona dehumidifier; installed a backup battery; installed steel beams and piers; installed a waterproofing membrane on the crawl space floor; and encapsulated the entire crawl space. Now I don't smell odors seeping from my crawl space, and my house no longer shakes when cars drive over the city speed bump outside my house. Also, I can now use my clean dry crawl space for extra storage. Thank you Chicago Basement Systems for peace of mind knowing that this project has a lifetime transferrable warranty. I highly recommend Chicago Basement Systems for crawl space repairs!"
Crack Repair Before
Crack Repair After
108 neighbors recently requested a quote
Avatar for M3 Construction Group
M3 Construction Group
New to Angi

Serving Markham, 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
Avatar for MasonMasters
MasonMasters
New to Angi

Serving Markham, IL and surrounding areas

Approved

🏗️ Welcome to MasonMasters! 🏗️\n\nYour trusted experts in masonry repair and coatings. From restoring worn surfaces to giving your walls a fresh, durable finish, we specialize in quality workmanship that lasts.\n\n✅ Repairs & Coatings\n✅ Residential & Commercial Projects\n✅ Reliable, Professional Service\n\nLet us help you transform and protect your property—because every wall deserves a master touch.\n\n📞 Contact us today and see the MasonMasters difference!\n

49 neighbors recently requested a quote
SS Construction
New to Angi

Serving Markham, IL and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Hello! We’re SS Construction, a trusted masonry company dedicated to delivering high-quality craftsmanship and reliable service on every project. With years of experience in brickwork, stonework, concrete, and repair, we take pride in building strong, beautiful, and long-lasting results for our customers. Whether you need new construction, restoration, or custom masonry design, we handle each job with attention to detail and professionalism.\n\nOur goal is simple — to exceed your expectations with honest communication, fair pricing, and quality work that stands the test of time. No project is too big or too small — we treat every client like family. Contact us today to bring your vision to life!

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Foundation Repair questions, answered by experts

You'll find a slurry of natural and synthetic polymers, rubbers, epoxies, and resins used to bond old concrete to new concrete. The right bonding agent depends on the method of concrete pouring you choose and whether you're adhering concrete over concrete or concrete over sand and gravel. Some concrete resurfacing mixtures contain bonding chemicals as well.

Foundation repair costs $250 for a minor crack that doesn’t affect the structure’s integrity, although it can cost as much as $800 if it’s a major crack. Call a pro to get it fixed as soon as possible if your crack is bigger than 1/8 inch wide. Additionally, if you need to seal the foundation to fix leaks, it can cost approximately $2,000 to $7,000.

Regularly inspecting your foundation—at least the visible sections—for signs of foundation issues like moisture and pest infestation is a good way to identify slab leaks early, as is keeping an eye and ear out for water damage to indoor building materials, above-average water bills, sounds of running water when no fixtures or appliances are on, and indoor humidity that causes the temperatures to feel more extreme. If you do find any issues, contact a plumber right away to check it out for you.

Yes, a house can collapse from severe foundation problems if they are left unchecked. However, this is a rare occurrence that typically takes many years to develop, and a partial collapse is more likely than a full one. Homes on hillsides or in areas with frequent washouts are at a higher risk. Barring a natural disaster or other extreme circumstances, clear signs of major issues will be apparent long before a collapse is imminent. It is crucial to conduct routine foundation inspections and address any problem, no matter how minor it seems, as soon as possible to avoid threatening the structural integrity of your home.

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 Markham, IL homeowners’ guide to foundation repairs

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