Foundation Repair Cost in San Antonio, TX (2026 Guide)

What drives foundation repair cost in San Antonio

The biggest cost driver is which soil you're on. Homes on Blackland Prairie clay, common east and south of downtown in areas like Converse and Southtown, often need more piers spaced closer together because the clay's shrink-swell cycle causes more dramatic movement. Homes on the thinner soils over Edwards limestone north of Loop 1604, in Stone Oak or Helotes, sometimes need fewer piers but occasionally hit rock that adds drilling time and cost.

Foundation type matters just as much. Slab-on-grade homes, the majority of the metro's housing stock built from the 1970s on, are priced per pier. Pier-and-beam homes in the historic districts near downtown price out differently, combining pier work with carpentry for sills and joists.

Pier installation costs

Concrete pressed pilings, the most common and least expensive option, typically run $450 to $700 per pier in the San Antonio market. Steel push piers run higher, usually $550 to $900 per pier, and are often used where deeper load-bearing soil is needed. Helical piers, common for pier-and-beam homes and lighter structures, run $600 to $1,000 per pier.

A typical single-story slab home needing a full perimeter repair uses somewhere between 8 and 12 piers, which puts most complete jobs in the $5,500 to $12,000 range, though homes with more significant settlement or larger footprints can run higher.

Slab crack and cosmetic repair costs

Not every crack needs piers. Slab crack and grout injection repair for cosmetic or minor structural cracks typically runs $500 to $2,500 depending on crack length and whether it's a single crack or several. This is often the right scope when an engineer's report finds movement that has stabilized rather than active settlement.

If your issue is really a driveway, patio, or walkway rather than the house foundation itself, that's priced differently through concrete leveling rather than pier repair; see our concrete leveling guide for San Antonio for those cost ranges.

Pier and beam repair costs

For the historic pier-and-beam homes common in King William and Monte Vista, repair costs combine pier shimming or replacement with sill and joist carpentry, and typically run $2,500 to $9,000 for a full releveling and repair project. Costs run toward the higher end when significant wood rot or termite damage requires extensive sill and joist replacement rather than just shimming.

For a deeper look at what's included in that scope, see our full pier and beam foundation repair guide for San Antonio.

Drainage and the cost you shouldn't skip

Drainage correction, including French drains, downspout extensions, and regrading, typically runs $1,800 to $7,500 depending on the extent of the work, and it's the piece of a quote most likely to get left off entirely. Given how much San Antonio's clay soils respond to moisture swings, skipping drainage correction on a home with grading problems often means paying for pier repair again in a few years.

For the full picture on vetting a contractor and what belongs in a fair local scope, see our full San Antonio foundation repair guide. You can also compare up to three vetted local pros by entering your ZIP to see how quotes for your specific home compare.

Typical cost ranges

Ranges are general estimates gathered from homeowner-reported quotes, not an offer or a quote for your project.

Common questions

More on this market

Local cost ranges, seasons, permits and licensing for this city live on the market page.

Sources

• City of San Antonio DSD, Foundation Repair Permit Application
• City of San Antonio DSD, Information Bulletin 172
• ASCE Texas Section, Guidelines for the Evaluation and Repair of Residential Foundations
• Texas Board of Professional Engineers and Land Surveyors

More guides