Case Study: Crawl Space Support for a Redwood City, CA Home

A homeowner in Redwood City, CA, noticed sagging floors and foundation cracks, signaling structural issues. Our inspection revealed inadequate crawl space support causing floor unevenness and cracks allowing moisture intrusion. Without intervention, these issues could worsen, leading to costly repairs. Immediate action was needed to restore stability.
We installed crawl space support jacks to stabilize and lift sagging floors. Foundation cracks were sealed with a high-quality sealant to prevent moisture damage. Our efficient, minimally invasive process reinforced the home’s structure, ensuring long-term stability and protection against future deterioration.
After repairs, the homeowner noticed level floors and a more secure home. Sealed cracks prevented moisture intrusion, reducing water damage risks. The improvements provided peace of mind and preserved the home’s value, preventing costly future repairs. By addressing these issues early, we ensured the home remained safe and structurally sound for years to come.
The Challenge
- Sagging floors
- Foundation cracks
- Failing crawl space joists
The Solution
- Crawl space support jacks
- Foundation cracks sealed
- Floors leveled
The Impact
- Safe, stable floors
- Crack-free foundation
- Dry crawl space
Before Crawl Space Repair:

Sagging Floors
The homeowner noticed unsettling signs of foundation issues, including loose, sagging floors. Concerned about the long-term stability of their home, they reached out to Groundworks for professional help. Upon inspection, our team found that inadequate support in the crawl space was to blame, leading to uneven flooring and stress on the foundation.

Crawl Space Cracks
Additionally, we found that foundation cracks were allowing moisture intrusion, which could further compromise the home’s integrity over time. A lack of proper support in the crawl space, combined with the existing crack issue, could quickly escalate into more severe structural problems. It was clear that immediate intervention was necessary
After Crawl Space Repair:

Crawl Space Support Jacks
First, we installed durable SettleStop IntelliJack™ crawl space support jacks strategically placed to stabilize the floors and redistribute weight evenly. These jacks provided the necessary lift to correct sagging and prevent further settlement. Next, we tackled the foundation cracks using a professional-grade sealant designed to prevent moisture penetration
Seeing the Positive Effects
Following the installation of the support jacks and crack sealing, the homeowner immediately noticed a difference in their home’s stability. The previously uneven floors were now level, and the house felt more secure overall. With the foundation cracks sealed, there was no longer a concern about moisture seepage, reducing the risk of water-related damage and improving the overall health of the home.
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Beyond the physical improvements, the homeowner gained peace of mind knowing their home was properly reinforced for long-term stability. Our expert intervention not only restored the home’s structural integrity but also helped preserve its value. By addressing these issues proactively, the homeowner avoided more extensive and expensive foundation problems down the line, ensuring a safer and stronger home for years to come.
Groundworks San Jose offers a full suite of crawl space repair solutions, including encapsulation, waterproofing, and more. Contact us today to get started with a free inspection and service estimate.


