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FOUNDATION REPAIR DALLAS: The A1 Guaranteed Foundation Repair Process


Once we have completed a thorough assessment of your home and determine foundation repair is necessary, we’ll provide you with a detailed report and discussion on what is needed and help you understand what the process will entail. We then schedule a date to complete the work.


Upon agreement, an appointment is made with an Independent Engineering firm to certify the repair plan.


With our approved plan, We install the piers in the approved locations to maximum depths. We work around bushes and plants as best we can, and if we have to remove them we do our best to preserve and replant them.


Our skilled foundation repair teams will very carefully and thoroughly employ techniques to level your home’s foundation based on your plan.


Once leveling is complete, we completely clean up the work area, we take any extra dirt and fill in any low areas on the property and then perform minor mortar repair to the exterior of the home.


Appointments are made for a final report from the engineering firm and a plumbing test is performed.

Request a Foundation Repair Assessment/Estimate by filling out the Get Your Free Estimate form on the right.

*A1 Guaranteed Foundation Repair is not a licensed engineering firm, nor does it offer engineering services. We use independent engineers to ensure that all of our work meets the highest standards. Beware of companies that offer in-house or staff engineering services. These are not unbiased engineers and they are not working for you! All work plans drawn by Licensed Independent Engineers. All completed foundation repair projects approved by Licensed Independent Engineers.

FOUNDATION REPAIR: What Causes Foundations and Slabs to Sink?

With more than 20 years of foundation repair experience, we have found that the majority of foundation problems are rooted in one of the three areas mentioned above.


Moisture changes in North Texas cause drastic clay composition changes. Acting like a sponge, soli expands during seasons of heavy rainfall and contracting during times of seasonal drought. Continuous fluctuation causes stress on your home’s foundation. Commonly, the center areas of the slab remain undisrupted, while the perimeters settle due to exposure to the seasonal moisture changes.


Trees and large shrubs with the extensive root systems require immense amounts of moisture to sustain their health. Moist soils located near the edge of the home, as well as underneath the slab, provide a viable source of water. And when the root system drains the additional moisture from these areas, it causes the slab to settle.


More common these days, plumbing has become a major issue for foundations. The cast iron plumbing commonly used in the 1960s and early 1970s is beginning to deteriorate and erode. The soli directly underneath the home can infuse with water, creating long-term foundation damage.

FOUNDATION REPAIR: What Are My Repair Options?


4.9 out of 5 based on 101 reviews
5.0 out of 5 stars
- August 17, 2016

They were great. REALLY fast, 15 piers (almost half the house) in about 4 hours. Seems to be excellent work (only time will tell). They did bury my cleanout drain. That was a little annoying but then I did tell them to put the leftover dirt on that side of the house and I knew where the cleanout was so it only took me 10 mins to find and uncover it.

5.0 out of 5 stars
- August 17, 2016

I was very pleased with A1 as a whole. Your business is to be commended for your customer service and professionalism as a whole. We would definitely use your company again, and plan on recommending you to others. Thank you.

5.0 out of 5 stars
- August 10, 2016

Great Company. Repaired the problem. Cleaned up afterwords. 5 months later, after a hot dry summer all is still well. Thanks A-1

5.0 out of 5 stars
- August 10, 2016

A1 was recommended by my neighbor. This recommendation along with YouTube testimonials and actually speaking with A1 was the reason I chose them to take care of my house. Every step was explained and backed up by documents emailed to me. The work was performed as scheduled and on-time. I can't say enough good things about the crew that dug the holes and installed the piers. Very professional, hard working. I am satisfied with the work and reasonable cost.

5.0 out of 5 stars
- July 27, 2016

A1 Guaranteed Foundation Repair did an exceptional job! They did the job to the engineers expectations without any plumbing issues. They were friendly and very hardworking. Marianne went out of her way for me many times! I will refer them to my real estate clients.

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A1 Guaranteed Foundation Repair
1047 East Business Highway 121, Suite D-9
Lewisville, TX 75057
Mobile Phone: (214) 392-2633
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