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    Average homeowner rating
  • Verified reviews icon15
    Verified foundation repairs reviews

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

Avatar for U.S. Waterproofing
U.S. Waterproofing
4.2(
598
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationFoundation Drainage - Install or Replace

Serving Mazon, IL and surrounding areas

Approved

In business since 1957

Free estimates

Warranties offered

"My sump pump goes off all the time; I think there is a natural spring around my house. Joe Silverberg, my local U.S. Waterproofing rep., has been wonderful in advising me on my sump pump replacement, (which works beautifully by the way and gives me so much peace of mind!), and on sealing cracks in my basement walls. Whenever I have needed him, Joe comes over right away to address the situation. I highly recommend Joe and U.S. Waterproofing, who does excellent work and stands by that work!"
Radon Mitigation
Radon Mitigation
Basement Waterproofing
Basement Waterproofing
Response time1 day
Response rate100%
14 neighbors recently requested a quote
Avatar for Perma-Seal Basement Systems
Perma-Seal Basement Systems
4.4(
1,537
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationConcrete Foundation - RepairConcrete Foundation - Raise+1 more

Serving Mazon, IL and surrounding areas

Approved

Super Service Award Winner

In business since 1979

Free estimates

Emergency services offered

"The crew came out on this cold January day and fixed the crack in my foundation and sealed it to prevent seepage. I’ll know for sure when the spring rains come if it was a success. From the pictures they sent me, I’m very confident there’ll be no more water coming into my basement."
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 Thrasher, Inc.
Thrasher, Inc.
4.1(
182
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationConcrete Foundation - RaiseConcrete Foundation - Repair

Serving Mazon, IL and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"After putting up for years with an uneven driveway, I hired Thrasher to fix it. I was so impressed by the professionalism of both the estimator and the repair crew, and I am very pleased with the results."
Basement Waterproofing Before and After
Concrete Repair Before and After
Thrasher Services
Thrasher Services
Thrasher Services

+12

Response time2 days
940 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Klock Home Services
Klock Home Services
New to Angi
Concrete Foundation - RepairFoundation Drainage - Install or Replace

Serving Mazon, IL and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Hi, I’m Kevin with Klock Home Services, proudly serving the Fox Valley area. I provide reliable, detail-oriented handyman and home repair services at fair prices. From furniture and drywall repair to minor carpentry, fixture installs, and general maintenance, I treat every project like it’s in my own home. Whether it’s a small fix or a larger task, you can count on quality work done right the first time.

Avatar for Last step junk removal
Last step junk removal
5.0(
1
)
Foundation Drainage - Install or Replace

Serving Mazon, IL and surrounding areas

Approved

Emergency services offered

Small jobs welcome

Credit card accepted

Hello my name Is isaak, I own last step junk removal we operate in Elgin il, and we specialize in junk removal in residential and commercial buildings, like, furniture BAG OF JUNK, TVS, etc \nFree estimates via message or email\nWe would love the opportunity to work with you,

Tree debris/ leaves
Tree debris/ leaves
Tree debris/ leaves
House clean outs
House clean outs

+4

8 neighbors recently requested a quote
SS Construction
New to Angi
Concrete Foundation - RaiseConcrete Foundation - RepairPoured Concrete Wall - Repair

Serving Mazon, 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 FAQs, answered by experts

Yes, it is worth repairing concrete cracks. Concrete cracks are normal, and they can be hard to keep from appearing. However, it is worth repairing cracks in concrete for many reasons. For example, it’s possible to repair concrete to the point where the repair is almost invisible. Also, if the crack is left alone, it can become bigger and more expensive to fix over time.

Whether your homeowners insurance covers slab leak repairs depends on your specific policy and the cause of the leak. Many policies cover slab leaks resulting from a covered peril, such as a natural disaster, a falling tree, or pipes freezing and bursting within the slab. However, damage caused by invading tree roots, corrosion, or leaks from appliances may not be covered by a standard policy. It's a good idea to also check your home warranty plan for potential coverage if an appliance is the source. Contact your insurance provider for a full explanation of what your policy covers.

If your foundation is unfinished, has surface damage, or is just plain unappealing, foundation refacing can be another great way to increase your curb appeal and give your foundation a fresh look. Used in conjunction with foundation planting, refacing can completely change the look of your foundation and your home. 

Yes, sustainable mixes and sealants minimize environmental impact.

Whether or not repairing your foundation is worth it before selling depends on the extent of the damage, the cost of the foundation repair, and your timeline for relocating. If the damage is major or structural in nature, chances are you’ll sell at a higher price if you take care of the problem beforehand. You should consider the cost of the repair first, though, as laying out thousands might not be possible with your budget. Additionally, if you’re in a rush to relocate, you might want to repair before selling so as not to limit your buyer pool.

The Mazon, IL homeowners’ guide to foundation repairs

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