Foundation repair in New Braunfels, TX
New Braunfels sits where Hill Country rock meets Blackland clay. A home can be fine on one block and cracking on the next. This page explains why, what to look for and how to get an inspection.
Typical ground Rock and soil mix
A rough guide to the usual ground in town. Your lot can differ from the next street.
Why New Braunfels homes move
The Balcones Escarpment marks the edge of the Hill Country right at New Braunfels. To the west the ground is thin soil over limestone. To the east it turns to clay that swells with water and shrinks in drought. The town straddles both, so a single neighborhood can include rock, clay and fill dirt.
Central Texas also goes from drought to downpour quickly. After a dry spell, clay shrinks and cracks. When heavy rain follows, water runs into those cracks and the soil swells again. A slab rides that cycle, and it rarely moves evenly.
Common causes here
- Clay that cycles between wet and dry
- Hillside lots built on cut and fill, where part of the slab sits on rock and part on fill
- Gutters, downspouts or grading that send water toward the foundation
- Large trees close to the house pulling moisture out of clay
- Plumbing leaks under the slab
What kinds of homes this affects
Older homes in historic areas such as downtown and Gruene are often pier and beam. Newer subdivisions along the I-35 corridor and on the east side are mostly slab on grade. Hill Country lots on the west side can sit on shallow rock, which brings its own issues: cut and fill pads, and runoff that follows the slope straight to the house.
Not sure which kind you have? If there is a crawl space with vents around the base, it is pier and beam. If the floor sits on a concrete pad at ground level, it is a slab. Read more on slab repair or pier and beam repair.
Permits
Cities and counties handle permits differently. Ask any contractor whether your address needs one for the repair and who files it. Keep a copy.
Nearby towns
Homeowners next door can request an inspection too: Garden Ridge, Canyon Lake, Bulverde and Spring Branch, Schertz and Selma, San Marcos. See the full service area.
Along I-35 and useful guides
Next along the corridor: San Marcos and Schertz and Selma. Before you call anyone, read which cracks matter and what foundation repair costs.
Last updated October 2026.
New Braunfels questions
Does rock under my house mean I will not have foundation problems?
Solid rock is stable, but many Hill Country lots mix rock and soil under one slab. When part of a slab rests on rock and part on soil, the soil side can settle or swell while the rock side stays put, and the slab cracks between them.
Can heavy rain damage a foundation?
Heavy rain can swell clay and push water against the slab, especially where grading or gutters send runoff toward the house. If water enters the home or a crawl space, say so when you request an inspection.
Should I water my foundation during a drought?
Some contractors recommend slow, even watering near the slab during long dry spells so clay does not shrink away. Do it only within current water restrictions, and ask the inspector what fits your lot.
Should I call an engineer or a repair company first?
Either works. A structural engineer can inspect and write a report without selling repairs. A repair company will usually inspect and quote the work. Some owners get one engineer report and two quotes.
Request an inspection in New Braunfels
A local foundation repair company will contact you to schedule a visit.