What foundation repair costs in Williamson County
Minor work — crack repair, drainage, a pier or two: $1,500–$5,000.
Typical slab pier job — several piers on a settling section: $4,500–$12,000.
Major — full perimeter, pier-and-beam rework, structural: $12,000–$40,000+.
Cost is driven by pier count and pier depth, not by the cracks you can see. Two houses with identical wall cracks can differ by $10,000 depending on how far down stable soil sits.
These are Central Texas ranges. Nobody can quote your foundation without an on-site assessment — but if a number lands far outside these bands, that’s worth a second opinion.
How the number is built
| Line item | What moves it |
|---|---|
| Pier count | Priced per pier, often $300–$1,000 each installed. A corner might need 4; a failing perimeter 20+. |
| Pier type | Pressed concrete piers are cheaper; steel piers cost more but reach deeper and carry more load. The right choice depends on your soil, not on which the salesman prefers. |
| Depth to stable soil | Over shallow Austin Chalk, piers are short. Over deep Houston Black clay they go much further — the biggest hidden variable in any quote. |
| Interior work | Breaking the slab inside the house adds labor, cleanup, and disruption. Exterior-only jobs are cheaper. |
| Plumbing test | $250–$600 before work. Slab movement cracks pipes; finding a leak after the lift is far more expensive. |
| Engineer’s report | $400–$900 for an independent structural assessment. Georgetown requires engineered plans for foundation permits anyway. |
The one decision that saves the most money
Get an independent structural engineer before you get repair quotes. An engineer doesn’t sell repairs, so their assessment is neutral — they’ll tell you whether you actually need piers, how many, and how deep. Homeowners who do this routinely find the honest repair is smaller than the first company quoted, and now they have a document to hold every bidder to the same scope.
When the answer is cheaper than piers
Not every symptom is structural. In this clay, seasonal movement causes real cracks and sticking doors that partly correct when the soil rehydrates. Correcting drainage, installing a foundation-watering system, and keeping moisture even around the slab — a few hundred dollars of work — sometimes solves what looked like a $12,000 problem. A company that recommends this instead of selling you piers is one worth trusting with the jobs that are structural.
Reading a quote
- Pier count and depth spelled out — not just a lump sum. You can’t compare two bids without them.
- Pier type specified — concrete vs. steel, and why.
- Warranty terms in writing — transferable? What voids it? How long has the company operated locally to stand behind it?
- Plumbing test included or noted as a separate recommended step.
Get real numbers for your foundation
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Cost ranges reflect typical Central Texas pricing as of 2026, for planning purposes. Last reviewed July 2026.