Foundation Inspection New Braunfels, TX.

Drive from a hilltop street west of the escarpment down toward the Comal or Guadalupe corridor and you cross one of the sharpest soil boundaries in Central Texas. Homes on the limestone uplands sit on shallow, rocky ground over Edwards limestone; homes near the river terraces sit on deep, high-plasticity clay. The same crack in your drywall can mean two entirely different things depending on which side of that line your address falls on, which is why a real inspection here reads the geology before it reads the slab.

GroundLock's inspection is built to answer one question with numbers instead of guesses: what shape is your foundation actually in, and what is moving it? We start with a free elevation survey accurate to ±0.01 in. (1/64 in.), map the distortion across a grid of points, and pair that data with what the walls, doors, and brick veneer are telling us. You leave with a written report and a measured baseline, not a sales pitch and a round number.

Two soils, two failure modes, and why the survey settles it

On the limestone side, west of the escarpment, bedrock can sit within a few feet of the surface, but its depth is rarely even. One corner of a slab may bear almost directly on rock while the next segment rests on a couple feet of residual clay. When that clay dries and consolidates, or moisture softens a pocket along a joint, the slab loses uniform support and begins to dish or tip. This is a differential bearing problem, settlement from variable support, not swelling soil.

East, toward the Comal and Guadalupe floodplains, the ground is Houston Black clay with plasticity indices commonly running from 40 to over 60, and an active zone that can reach 10 feet or deeper in wet years. These slabs heave when rain infiltrates and drop when the soil dries back out, cycling through quarter-inch to inch-plus movements in a single season. Same city, opposite behavior, and the fix for one is the wrong fix for the other.

The elevation map is what tells them apart. Doming at the center points to interior heave from trapped moisture; sagging at the perimeter points to edge settlement and drainage; a uniform tilt points to differential bearing on variable rock or fill. We read that alongside the visible symptoms, doors racking out of square, 45-degree stair-step cracks in brick, horizontal cracks in mortar that signal lateral soil pressure, so the foundation repair plan, if one is even needed, matches the mechanism actually at work.

What happens during your New Braunfels inspection

New Braunfels foundation inspection questions