West: rock and thin soil
Limestone near the surface, steep lots and cut and fill pads. Fewer clay problems, more runoff, retaining walls and fill that settles.
Wimberley, Canyon Lake, Bulverde, Spring Branch
Foundation repair along I-35, from Austin to San Antonio
From Buda in the north to Converse in the south, and out into the Hill Country and the clay plains on either side. Find your town and see what the ground under it is like.
- 12area pages
- 18towns named
- 80miles of I-35
Three kinds of ground, one corridor
Where your house sits matters as much as the house. These are broad bands. A single street can cross from one to the next, which is why an inspection beats a guess.
On the line: a mix
Rock, clay and fill can sit under the same slab. The rock side stays put and the clay side moves, so cracks appear where they meet.
Buda, San Marcos, New Braunfels, Garden Ridge
East: dark clay
Soil that swells when wet and shrinks when dry. Flat lots, newer slabs and older pier and beam homes all feel the swing.
Kyle, Lockhart, Martindale, Maxwell, Schertz, Selma, Cibolo, Converse, Live Oak, Universal City
Every area page
Listed from north to south along the interstate.
Hays CountyBudaRock and thin soil west of the interstate, clay to the east, and new pads in between.Rock and soil mixHays CountyKyleMostly clay soil, Plum Creek running through town and a lot of newer slabs.Mostly clayHays CountyWimberleyHills, shallow rock, tall trees and creeks that can rise fast.Mostly rock and thin soilHays CountySan MarcosSprings and a river, the escarpment at the edge of town and many rentals near campus.Mix, leaning clayCaldwell CountyLockhart and MartindaleClay country east of the interstate, with older pier and beam homes and rural lots.Mostly clayComal CountyCanyon LakeLimestone hills, sloped lots, lake coves and many second homes.Mostly rock and thin soilComal CountyNew BraunfelsRock to the west, clay to the east, and the Comal and Guadalupe rivers through town.Rock and soil mixComal CountyBulverde and Spring BranchHill Country acreage on shallow soil, with rock, septic systems and long drainage paths.Mostly rock and thin soilComal CountyGarden RidgeHills to the north and west, with clay creeping in to the east and south.Rock and soil mixBexar, Comal, GuadalupeSchertz and SelmaClay soil, Cibolo Creek and three counties meeting at the city lines.Mostly clayGuadalupe CountyCiboloHeavy clay, flat lots and a lot of newer slabs along Cibolo Creek.Mostly clayBexar CountyConverse, Live Oak and Universal CityOlder neighborhoods and newer subdivisions on clay, close to the San Antonio city line.Mostly clay
Not on the list?
Foundation companies serve more than one town, and a house in a nearby community has the same questions. Choose "Another nearby town" in the form and give your ZIP code.
Looking for the repair guides instead? Start with slab repair, pier and beam repair or the cost guide.
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