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Helping Modesto Homeowners Fix Foundation Cracks, Wet Basements, and Sagging Floors
Foundation issues are more common in Modesto than many homeowners realize. Whether it’s shifting soil, high water tables, or aging construction, the damage adds up over time—causing cracked foundations, sagging floors, and wet basements.
At Stronghold Foundation Repair, we provide permanent solutions to stabilize your home, seal out moisture, and protect your investment. If you’re searching for Foundation Repair in Modesto, you’re in the right place.
Our structural repair team fixes cracked foundations in Modesto and addresses settling foundations using helical piers, push piers, and structural bracing designed to restore long-term support.
Sagging floors, moisture buildup, or poor air quality? Our Modesto crawl space repair services include encapsulation systems, vapor barriers, and support jacks to keep your crawl space dry and stable.
Tired of a wet basement in Modesto? We install sump pumps, drain tile systems, vapor barriers, and dehumidifiers to stop water from damaging your home.
Uneven concrete slabs or walkways? We lift and level surfaces using polyurethane foam, a clean, fast, and reliable Modesto concrete leveling solution that eliminates tripping hazards and improves curb appeal.
We repair sagging beams, joists, and other structural components caused by settlement, rot, or age-related wear.
Engineer-Designed Repairs
U.S.-Made Helical and Push Piers
Certified Local Technicians
Clear Communication and Respectful Crews
Backed by the Stronghold Foundation Repair Warranty
About Stronghold Foundation Repair
Stronghold Foundation Repair serves Modesto with decades of combined experience in structural and waterproofing work. We understand the local soil conditions—particularly expansive clay and loose sediment that put your foundation at risk.
We don’t just repair the symptoms; we fix the underlying problems causing damage. Every solution is engineered, customized, and designed to last.
Modesto Neighborhoods We Serve
Posted on Google
Jeff Tang29 October 2026Trustindex verifies that the original source of the review is Google.
Big thanks to Mike. He was amazing to work with and didn't try to oversell us on anything. He kept it real and honest about what we needed, and most importantly, what we didn't. It's tough these days to find someone in this industry who will do that for you on the initial visit. I plan to refer everyone to Mike in the future.Posted on Google
Robert Corey26 October 2026Trustindex verifies that the original source of the review is Google.
Stronghold did a fantastic job on redoing my entire crawlspace support structure from initial quote to project completion. I was unsure how much of a job this would require to stop major settlement issues with my 1950's house. After a range of quotes, job proposals and research, Stronghold had the most reasonable scope of work at a competitive price. My choice did not disappoint, Strongholds construction workers were very professional and kept in the loop during the project. Work was performed in a timely manner with quality workmanship. I am vey happy with the work that was performed and would recommend them for foundation related repair work. Mike, Tyler and team are top notch.Posted on Google
Sara&Dave Barnick16 October 2026Trustindex verifies that the original source of the review is Google.
We had Adam with stronghold come out to our house for a foundation inspection. One well known foundation company came out prior and told me I needed a foundation lift on one side of my house that would cost about $30k. The second company told me my foundation was fine and needed no repair after their inspection. Our final inspection was with Adam and he assured me that our foundation was level and did not need any repairs at this time. So thankful for honest people and companies. I will call stronghold again without hesitation for any future needs.Posted on Google
Keize6 October 2026Trustindex verifies that the original source of the review is Google.
Fantastic experience with this company for my 102 year old house in midtown Sac. Im planning a big renovation and wanted to be sure my house was as level as we can get it beforehand. Prior to calling Stronghold, I had 2 other foundation companies come out. They gave me ridiculous estimates ($35-60k)- one wanted to enclose my entire basement and crawl space with plastic- totally not necessary with Sac’s climate. Stronghold sent Michael out- he was great. He came up with a very practical plan of using girders on jacks to support a heavy (long) wall for a fraction of the price of the others (less than $6k). What a relief. Manuel obtained a permit and answered questions I had as well. The working crew came in and got the job quickly. This is a no nonsense company and they will not sell you anything you don’t need. Highly recommend!Posted on Google
lorena juarez28 August 2026Trustindex verifies that the original source of the review is Google.
I was skeptical that the cracks in my walls would close up, but they did. They were fair and explained the process better than every other company I had come out. I will definitely recommend to friends and family. Adam was very patient and helpful.Posted on Google
Steven Almaraz23 August 2026Trustindex verifies that the original source of the review is Google.
Very professional company. Would 100% recommend to any and all in need of their services.Posted on Google
NIK Prawdzik23 August 2026Trustindex verifies that the original source of the review is Google.
The Stronghold team did an excellent job in explaining the process to me for my home as well as some preventative measures to ensure this doesnt happen in the future! Forever grateful for an honest professional experience!!!Posted on Google
Milton Kalish18 August 2026Trustindex verifies that the original source of the review is Google.
Adam Porter was friendly and professional, I was very impressed when he told me that no repair was needed at this time-- he carefully explained how foundation repair works, and discussed possible strategies moving forward.Posted on Google
Jon Hurwitz3 August 2026Trustindex verifies that the original source of the review is Google.
Adam Porter came out and took a look at my situation - was super honest and guided me in the right direction. I didn't need a large foundation repair and he gave me tips on how I could get the job done myself (since it ended up being a small one). Super honest crew - you don't see that much anymore.Posted on Google
Connor Mawhinney24 July 2026Trustindex verifies that the original source of the review is Google.
Adam came out to look at a crack in our slab after we'd received several quotes in the $7,000–$10,000 range. I was completely surprised to learn we actually had a small fix that I could do myself! The honesty blew me away, and I'd recommend Stronghold if you're looking for someone to take care of your foundation issues.Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
Foundation Repair Costs in Modesto
Your foundation repair costs will depend on the damage severity, home type, and solution needed. Most jobs fall within $5,000 to $15,000 but can vary based on:
Every inspection is free, and every estimate is straightforward.
Flexible financing available.
Honest Pricing. Zero Guesswork.

Give or a call or fill out our online form. We will contact you to schedule your appointment and will provide you with our recommendations and an estimate.

Feel free to ask us any questions you may have regarding your project. Our team will assist you in exploring financing options that suit your budget and preferences. Once you have decided to proceed, we will promptly schedule your project for completion.

Once the foundation work is completed, you can have peace of mind knowing that your property is fortified against future foundation issues.
Modesto soils expand and shrink due to weather changes and water retention. Over time, this leads to cracked or settling foundations—especially in older homes or homes built on expansive clay.
Common signs include musty smells, visible mold, sagging floors, or increased humidity. If you notice any of these, a Modesto crawl space repair or encapsulation system can help prevent bigger issues.
Yes. We install vapor barriers, drainage matting, sump pumps, and full crawl space encapsulation in Modesto to prevent water damage and improve air quality.