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How Much Does Foundation Repair Cost in San Antonio? (2026)

6 min readUpdated June 2026By Ricardo Chamorro · ICC-certified Residential Building Contractor

SAN ANTONIO'S COST GEOGRAPHY (TYPICAL PATTERNS, NOT QUOTES)

North side (limestone/transition)Smaller scopes · pocket repairs3–8 piers typical
South & east (deep Houston Black)Bigger seasonal swings · longer runs6–14 piers typical
Older central neighborhoodsPier-and-beam often cheaper scopecrawlspace work common
Additions & conversions (citywide)Joints between slabs drive scopevaries by era/joints
The city sits on a soil patchwork, and the scopes follow it.

Foundation repair cost in San Antonio runs from about $2,500–$35,000, and the most common job, a single settled corner, lands around $2,500–$6,000. Pier count sets the number more than anything else. Our foundation repair cost guide covers the universal math: pier count × pier type, adjusted for access. This is the San Antonio-specific layer, because in this city, where you live changes which math applies. (Up the corridor? The same math applies from our San Marcos office, which serves New Braunfels, San Marcos, Kyle, and Buda.)

Crew hand-digging pier holes along a home's foundation in a narrow side yard, rock spoil piled beside the wall
Worker digging pier holes along a side-yard foundation with broken-rock spoil piles. Rocky digging like this adds labor hours to a San Antonio-area quote.

Foundation repair cost in San Antonio, by side of town

San Antonio doesn't sit on one ground. The north side's shallow limestone produces localized movement: clay pockets and fill seams that need 3–8 piers at one section. The south and east sides' deep Houston Black clay produces broader seasonal movement: full sides and corners, 6–14 piers. Same city, same company, legitimately different typical invoices. If a quote never mentions which side of town you are on, ask why.

Open trench with pier pits dug through a river-rock bed along a brick home's foundation
Open trench with pier pits through river-rock bed along brick wall. Landscaping removal and restoration are part of the price.

The local multipliers

  • Home age: mid-century slabs (huge share of the housing stock) were built lighter. They move more readily but also lift more easily. Pre-war homes are often pier-and-beam, a different and usually cheaper scope entirely.
  • Additions: San Antonio's favorite home improvement. Independent slabs joined to original structures create joints that crack and scopes that must be priced per-era. More common here than anywhere else we work.
  • Access: established neighborhoods mean mature trees, decks, pools, and tight side yards over the work line. Each one adds labor hours. New-ish suburbs with open perimeters are the easiest ground we work on.
  • Mature-tree adjacency: root barriers and watering programs sometimes join the scope, a few hundred to low thousands. That work often takes the place of piers at that edge.
The comparison discipline travels: whatever your neighborhood, compare bids pier-for-pier against the same elevation map, ask the ten questions, and treat expiring discounts as exits. The calculator gives you a defensible starting number before anyone visits.
Square pier pit dug at the foundation edge with concrete removed to set a new support pier
Square pier pit at foundation edge with broken concrete chunks. Broken concrete and tough access push per-pier pricing up.
Careful foundation excavation alongside a home's gas meter and service piping during pier work
Excavated soil at foundation near gas meter and piping. Working around meters and utility lines adds labor hours to a quote.
Pier hole excavated at the base of a siding-clad wall to access the foundation for repair
Excavated pier hole at the base of a siding wall. Each excavated pier location is a unit of cost.

Getting your real number

You get it the same day at most houses. Elevation map, marked pier plan, per-pier price, firm total, in that order. Nobody serious quotes this over the phone, because the number comes off the map and there is no map yet. A range given before anyone measures is a guess with a dollar sign on it.

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Straight answers

Related questions.

Foundation repair in San Antonio typically costs between roughly $2,500 and $35,000, driven almost entirely by pier count. The most common job (a settled corner needing 4–6 piers) runs about $2,500–$6,000; a full side runs $5,000–$12,000; and severe multi-side movement can reach $35,000, though that's the exception. Piers cost about $600–$1,000 each installed, and a free elevation survey from Motmot Foundation Repair converts the range into your exact San Antonio number.
The average San Antonio foundation repair centers on the settled-corner job most homeowners actually have: roughly $2,500–$6,000 for 4–6 piers. City-wide, jobs span about $2,500 to $35,000 depending on how much of the perimeter moved, so a single quoted “average” is misleading. Pier count, not square footage, sets the price. Motmot Foundation Repair gives you the firm figure with a free on-site elevation survey.
The most common job we do citywide (a settled corner needing 4–6 piers) runs roughly $2,500–$6,000 depending on method. Full-side repairs run $5,000–$12,000. Severe multi-side movement can reach $35,000, but that's the exception, usually after years of deferral.
Modestly, on average. Labor and mobilization costs run a bit lower, and the north side's limestone produces more small-scope pocket repairs. The per-pier ranges are similar; the scope distribution differs. Either way, pier count dominates the bill.
Not inherently. Often less. Pre-1960 homes near downtown are frequently pier-and-beam, where crawlspace adjustment costs a fraction of slab piering. The expensive older-home case is the multi-era house: original structure plus decades of additions, each potentially its own scope.

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