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Top-Rated Concrete foundation repairers in Kennesaw - Updated Nov 2026

Avatar for Crawlspaces and More
Crawlspaces and More
4.7(
84
)
Concrete Foundation - Repair

Serving Kennesaw, GA and surrounding areas

Approved

In business since 2005

Free estimates

Warranties offered

"First, Jordan is awesome. He knows exactly what he is talking about and how to get a plan together to eliminate water leaking, dripping and/or flooding. His presentation is professional and acurate. He provided a detailed report and diagrams of the proposed solution. Jordan’s solution of installing a Smart Shield system inside the wall of my basement apartment was much more cost effective than attempting to fix the leak from outside. The cost for a external repair was 3 to 4 times more than fixing internal. The crew was incredibly efficient and knowledgeable. These guys understand “water flow” and know their job. Finally, Jim followed up to confirm my satisfaction in the completed project. I am happy to say after more than a month not a drop of water has penetrated my basement apartment. The guys at Crawlspace and More are the best you can hire for a job done right. I am over the top satisfied!!!!"
Mold Remediation
We install and replace foundation drains to properly seal the basement from the exterior.
Mold Remediation
Basement Waterproofing
Crawlspace Encapsulation

+10

Response time1 day
22 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for H20 Proof & Foundation Repair
H20 Proof & Foundation Repair
5.0(
4
)
Concrete Foundation - Repair

Serving Kennesaw, GA and surrounding areas

Approved

Super Service Award Winner

In business since 1999

Free estimates

Emergency services offered

"My crawl space was retaining moisture, which began to compromise the structural integrity of my home. I reached out to H2O Proof and Foundation Repair, along with two other companies, for estimates on the necessary repairs. JD from H2O Proof provided a detailed assessment of the work needed, along with a highly competitive quote. Unlike the other companies, JD didn’t pressure me to make an immediate decision, which I appreciated as this was a significant investment in my home. From start to finish, the team demonstrated professionalism and trustworthiness, giving me confidence in their ability to deliver quality results. The job foreman, DJ, and his crew exceeded my expectations with their excellent work. Choosing H2O Proof and Foundation Repair for my crawl space and foundation repair was the right decision, and I couldn’t be happier with the outcome."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+5

1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for CGS Waterproofing and Foundations
CGS Waterproofing and Foundations
4.6(
174
)
Concrete Foundation - Repair

Serving Kennesaw, GA and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"CGS Waterproofing resolved the leak that was occurring through my basement foundation. Lupe, Carlos, and Marvin were great. They were professional, friendly and worked very my hard. The price was reasonable. The customer service was great. Lupe was always available. I would highly recommend this company for inspection and waterproofing."
Job 1
Job 1
Job 1
Job 1
Job 1

+20

Response time2 days
Response rate85%
8 neighbors recently requested a quote
Avatar for Sundry Waterproofing
Sundry Waterproofing
4.3(
69
)
Concrete Foundation - Repair

Serving Kennesaw, GA and surrounding areas

Approved

In business since 1995

Free estimates

Warranties offered

"I had tight time constraints and Sundry Waterproofing delivered!
A previous plumber had dug 5-6 feet below the dirt line and made some holes in my foundation to fix a sewer drain issue.  Unfortunately, the plumber never finished the job and left me with several holes in my foundation and a pile of dirt in my driveway.  
Upon my call, Sundry came out the next day and gave a reasonable quote to fix this, as well as replace some insufficient vapor barriers in my crawl spaces.  I agreed and they were able to schedule the job quickly.
On service day, the work crew, headed by William, arrived on time and got to work.  The crew (especially William) was very professional and got the job done in about 3 hours.  
I thank William and his crew for a job well done, and Curt (the owner) for his flexibility.  I highly recommended these folks.
"
Pro-Flow System
Crawlspace Pipe and Gravel system
Exterior French Drain
Response time1 day
Response rate100%
5 neighbors recently requested a quote
Avatar for '58 Foundations
'58 Foundations
3.6(
44
)
Concrete Foundation - Repair

Serving Kennesaw, GA and surrounding areas

Approved

In business since 1958

Free estimates

Warranties offered

"Make sure the person giving the estimate explains exactly what it looks like. They did not bring their own water to mix the cement. We had to remove the water tank so that they could work and ended up hauling water from the neighbors house."
Foundation Repair
Foundation Repair
Foundation Repair
Basement Waterproofing
Basement Waterproofing

+18

Response time11 hrs
6 neighbors recently requested a quote
Recommended by65%of homeowners
Avatar for Ortiz landscape and concrete
Ortiz landscape and concrete
5.0(
9
)
Concrete Foundation - Repair

Serving Kennesaw, GA and surrounding areas

Approved

In business since 2025

Free estimates

Small jobs welcome

"I had a bad problem with water runoff and erosion due to the slope of the yard. This creating a bigger issue as it had washed away a lot of the dirt in and around my privacy fence making it loose and unstable. Ortiz Landscape did an owtstanding job with following up with calls. Mr. Ortiz himself was very helpful and had great information for me when he came out to the house to look at the job. He and the company did exactly what we discussed doing by putting in a couple of "catch bassings" and piping and rocks around the fence with concrete to help direct the water to the catch basing. He even came out again to check everything to make sure all was done correctly and to our satisfaction."
Response time5 hrs
1 neighbors recently requested a quote
Avatar for SunDry Waterproofing, Inc.
SunDry Waterproofing, Inc.
4.0(
295
)
Concrete Foundation - Repair

Serving Kennesaw, GA and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

"Along with new driveway they waterproofed my garage wall, that was leaking and installed diverters for the water from my roof. Would recommend them for any concrete work and waterproofing you would need done. ONLY REASON FOR 4.5 STAR IS THEY LEFT A LARGE STAIN IN THE ROAD IN FRONT OF MY HOUSE DUE TO HYDROLIC LEAK IN ONE OF THERE MACHINES. {POWER WASHER WILL NOT REMOVE IT}"
Response time8 hrs
Response rate100%
Recommended by86%of homeowners
Avatar for SunDry Waterproofing, Inc.
SunDry Waterproofing, Inc.
4.0(
298
)
Concrete Foundation - Repair

Serving Kennesaw, GA and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"Although results of the repair will be determined in the future, very happy so far with performance of the crew and the efficiency which with work was performed and the price was reasonable."
Sundry Waterproofing
Sundry Waterproofing
Sundry Waterproofing
Sundry Waterproofing
Sundry Waterproofing

+14

Response time6 hrs
37 neighbors recently requested a quote
Recommended by86%of homeowners
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FAQs for concrete foundation repair projects in Kennesaw, GA

Visible cracks, water leaks, uneven floors, or walls that won’t line up are classic red flags. You might also notice sticking windows, doors that no longer latch, or exterior cracks crawling up brick or siding. Even a damp, musty basement can hint at trouble. If you spot any of these, call a foundation pro right away. Early inspections cost far less than waiting until the damage threatens your home’s stability.

Yes, foundation problems impact your home’s value. Buyers want proof that the foundation is stable, and a recent, professional repair can actually boost confidence in your home. You’ll need to disclose the work, but documentation showing the structure was properly stabilized, especially with piers in regions known for shifting soil, often reads as a plus, not a problem. Skipping repairs, on the other hand, can cut your sale price and shrink the pool of interested buyers. Taking care of the issue protects both value and peace of mind.

Foundations are engineered for exceptional longevity when constructed correctly and maintained diligently. Concrete slab foundations remain structurally sound for 200 years, while other foundation types deliver integrity between 75 and 100 years. Regular professional inspections and timely maintenance further secure a foundation’s lifespan and ensure your home stays safe over the long term.

The Kennesaw, GA homeowners’ guide to concrete foundation repairs

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