
Price guide · USD, 2026
Foundation Repair Prices
in San Antonio
Typical San Antonio ranges so you know what to expect before anyone measures the house. The final price is in a written proposal after the evaluation, with the pier count drawn on a plan. If the plumbing test or the lift changes the scope, work stops and a revised proposal is issued.
Per-pier pricing, with the count in writing. Most homes need 8 to 12.
Evaluation first. Sometimes the answer is drainage, or nothing.
No pier count over the phone for a house nobody has measured.
Evaluation, engineer and testing
Service page| Foundation evaluation and written estimate Most residential evaluations are free; paid for real-estate inspections or a written report | $0–$250 |
| Structural engineer's report (Texas PE) Independent; required by many lenders and buyers | $400–$900 |
| Hydrostatic plumbing test (before and after) Drain lines under the slab | $250–$500 |
Slab foundation piers
Service page| Pressed concrete pilings Most homes need 8–12 piers | $350–$600 per pier |
| Pressed steel piers Deeper, mixed soil or shallow rock | $1,000–$1,800 per pier |
| Drilled bell-bottom concrete piers Engineered, cure time | $1,200–$2,200 per pier |
| Helical piers Additions, pier and beam, low vibration | $1,500–$3,000 per pier |
| Typical slab repair (8–12 piers) Concrete pilings; steel higher | $4,500–$14,000 |
| Major slab repair (20+ piers) Engineer's plan | $15,000–$35,000+ |
Pier and beam
Service page| Pier and beam leveling and reshimming Crawl space access | $1,500–$5,000 |
| Sill plate, beam or joist replacement Depends on rot and span | $3,000–$12,000 |
| New or replaced crawl space piers | $400–$700 each |
| Crawl space moisture barrier and ventilation | $1,500–$5,000 |
Slab lifting and crack repair
Service page| Polyurethane foam slab lifting Per area; patios, garages, interior slabs | $1,500–$6,000 |
| Mudjacking Driveways, walks, patios | $600–$3,000 |
| Epoxy or polyurethane crack injection Cosmetic unless the cause is fixed | $300–$1,500 |
Drainage and moisture
Service page| Root barrier $40–$80 per linear foot | $1,200–$4,000 |
| French drain / subsurface drain $30–$100 per linear foot | $2,500–$9,000 |
| Surface grading and swales | $1,000–$4,000 |
| Gutters and downspout extensions | $1,200–$4,000 |
Under-slab plumbing and commercial
Service page| Under-slab plumbing tunnel Then the plumbing repair | $150–$350 per linear foot |
| Under-slab drain repair (after tunneling) | $2,000–$8,000 |
| Commercial foundation repair Engineered, per project | $15,000–$100,000+ |
Ranges cover labor, materials, permit where noted and cleanup, for 2026, across San Antonio and the metro. They are a guide, not a proposal.

Get the number for your house
A pier count on paper beats a range on a website.
Tell us what the house is doing and where it sits. You get an evaluation window and a written proposal with the count drawn on a plan.