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Bay Area Underpinning technicians working on a foundation

Concrete Lifting, Foundation, And Crawl Space Repair in Stockton

Fairfield Local Office

Bay Area Underpinning
2333 Courage Dr.
Suite C
Fairfield, CA 94533

Hours of Operation

Monday – Friday: 4 am – 8 pm

Saturday: 5 am – 8 pm

Sunday: 6 am – 8 pm

Award Winning Solutions in Stockton, CA

Bay Area Underpinning, a Groundworks Company, excels in providing homeowners in Stockton with a range of services including foundation repair, crawl space repair, and concrete lifting. Our primary objective is to offer top-tier home repair solutions and personalized service across Northern California. With a team of highly trained technicians, cutting-edge products, and national-level warranties, BAU is committed to restoring the integrity of your foundation and other structural components.

Our Process

Schedule Free Inspection

One of our contact center representatives will reach out to you to determine your problem and set the best time for one of our certified field inspectors to visit your home.

Consult with Our Certified Inspector

Our certified field inspector will visit your home to observe the problems in your home and inspect other areas of your home that may have been impacted.

Installation of Customized Solutions

Our professional production crew installs patented, American-made solutions in each home with care and strives to leave the area better than we found it.

Schedule Inspection

Why Homeowners Choose Bay Area Underpinning

Since 2005, Bay Area Underpinning – A Groundworks Company – has specialized in helping homeowners permanently repair and protect their homes with quality solutions. Our foundation repair, crawl space repair, and concrete lifting services and solutions have been trusted by businesses and homeowners in Northern California for more than 15 years.

Our highly trained, experienced, and friendly staff will treat your home as their own because we know how important it is to you, and we will help you protect your home for a lifetime. Experience our high-quality work and personalized service for yourself by contacting us today to book a free inspection and estimate.


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Offer ends 06/30/2024

A Crack in Your Foundation Shouldn't Break the Bank

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any job over $2500*

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Our Services for You

Foundation Repair in Stockton, CA

Maintaining the integrity of your home’s foundation is vital for its overall stability. In Stockton, the soil composition varies from sandy loam to silty clay, influencing foundation stability due to their distinct absorption and drainage characteristics. The region, experiencing around 13 inches of rain annually, is prone to soil shifting, erosion, and foundational support issues. Common indicators of these problems include cracks in drywall and flooring, bowing walls, and uneven surfaces. Bay Area Underpinning responds with robust, custom solutions and guarantees to fortify your foundation. Our array of services includes sophisticated pier systems, crawl space support, and wall repair methods like wall anchors and specialized beams, ensuring your foundation’s enduring stability.

Crawl Space Repair in Stockton, CA

In Stockton, where homes frequently feature crawl spaces ranging from 1 to 3 feet in height instead of basements, these spaces are integral for housing utilities. Yet, they are susceptible to problems due to open vents and bare earth floors. Issues like moisture intrusion, pest infestation, and humidity can lead to mold, wood deterioration, and reduced air quality, impacting the whole house. Bay Area Underpinning offers extensive crawl space repair services, including the fitting of interior drains, sump pumps, dehumidifiers, thermal insulation, vapor barriers, and support posts, effectively addressing these prevalent concerns.

Concrete Lifting & Leveling in Stockton, CA

Your property’s concrete elements – such as patio, exterior steps, driveway – face the risk of damage over time, influenced by Stockton’s specific soil and climatic conditions. With an average annual rainfall of around 13 inches and varied soil types like sandy and clay loam, soil instability and erosion are typical challenges. As the ground deteriorates, concrete can crack, sink, and become uneven, creating trip hazards and diminishing your property’s look and value. Bay Area Underpinning provides a reliable, long-lasting solution with polyurethane foam injections.  These injections are versatile, harmless, non-disruptive, and cure swiftly, enabling immediate use of your concrete areas post-treatment.

Find Your Service Area


Properly repaired foundations can restore or even enhance the value of a home, especially in a competitive market like the Bay Area Underpinning.

Common methods include installing foundation piers and adding or adjusting support beams and screw jacks.

Concrete driveways sink, crack, and sustain other damage due to erosion beneath the slabs caused by expansive soil, soil instability, water intrusion from cracks, and growing tree roots. Heavy vehicles parked in the same place for extended periods can also cause driveways to sink. Contact Bay Area Underpinning for a free inspection to determine the source of the problem and the best solution.

It’s advisable to have a professional assess and fix any floor cracks promptly. The sooner you identify and address floor cracks, the easier and more cost-effective the solution will be.

Some of the most common issues and challenges associated with crawl space foundations are:

  • Moisture – Unless you live in a highly arid region, your crawl space will be prone to moisture-related problems. Excess moisture in a crawl space can lead to mold growth, wood rot, and structural damage.
  • Pests – Damp, dark crawl spaces also provide an ideal habitat for rodents and termites.
  • Poor Insulation – Since the crawl space isn’t livable, many homeowners may overlook proper insulation, leading to energy loss and higher utility bills.
  • Structural Damage – Poor foundation design, inadequate support, and soil movement can cause structural damage to a crawl space foundation over time, leading to cracks, uneven settlement, and other issues.
  • Poor Indoor Air Quality – A damp, moldy crawl space can lead to poor indoor air quality, including unpleasant odors, allergens, and other contaminants that can affect the health of the home’s occupants.

    Contact Us For Your Free Inspection

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    Our Locations


    2333 Courage Dr. Suite C
    Fairfield, CA 94533

    San Jose

    1161 N Fair Oaks Ave
    Sunnyvale, CA 94089