Foundation Repair Texas

Independent. Cited. San Antonio & surrounding metros.

Foundation repair,
told straight.

San Antonio sits on some of the most reactive clay in North America. We tell you what's actually wrong, what real repair costs, and how to evaluate a contractor — and we'll match you with a vetted San Antonio foundation specialist for a free quote.

Free SA quote

No obligation

No obligation. We match you with one San Antonio foundation specialist — we never share your information with multiple companies.

1 in 4
US homes have damage from expansive-clay soils (ASCE)
$5,179
US national average foundation repair (2026)
30%+
volume change in saturated Houston Black clay (USDA-NRCS)
≥ 0.06
COLE that signals structural risk (NRCS soil survey)

Start where you are

Start with the question you came here to ask

Most foundation guides are written by contractors selling repairs. Ours are drafted for homeowners and cite engineering standards directly — ACI 224R-01, ICC-ES AC358, IRC R408, ASCE Texas Section Guidelines v3 — including the answer to whether you actually need repair at all.

San Antonio, TX

Why San Antonio homes need different answers

Technical cross-section illustration showing San Antonio soil strata: topsoil, Houston Black expansive clay, Eagle Ford shale, and Edwards limestone bedrock, with a helical pier driven down to the limestone.
The two geologies under San Antonio — and the depth a helical pier must reach to be permanent.

San Antonio sits at the boundary of two very different geologies: expansive Houston Black clay south and east of town, shallow Edwards Plateau limestone north of the Balcones Escarpment. That's why one neighborhood's repair plan is the wrong answer for another.

Add the 2022–2025 drought — the second-worst in a century per the Edwards Aquifer Authority — and you have the perfect setup for differential foundation movement. The fix isn't more piers; it's the right piers in the right strata.

    Clay zone
    Blackland Prairie
    Limestone zone
    Edwards Plateau
    COLE
    ≥ 0.06 → structural risk
    Wettest month
    May (~4.5 in)
See our San Antonio-specific guidance