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Concrete pilings stacked in an excavated hole beside a settled slab foundation in San Antonio

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.

Foundation crew excavating pier holes along the edge of a San Antonio slab at dusk

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.