Slab Foundation Repair Austin

Most newer homes here are built slab-on-grade: the house sits on a concrete slab poured directly on the ground. When part of the ground under that slab swells, shrinks, or washes out, the slab moves with it, and the house shows it as cracks, sloping floors, and doors that no longer close right.

Why slabs move depends on where you live. East of I-35, much of Austin sits on deep clay that shrinks and swells as it dries out and gets wet. West of the highway, the soil is often thin over limestone, and problems tend to come from how the lot was graded and drained, or from fill that settled. Plumbing leaks under a slab can also soften the soil, so we recommend a licensed plumber test when the signs point that way.

Slab repair is one part of the foundation repair in Austin we handle, so we can tell you whether you need piers, leveling, drainage changes, or just monitoring.

Common signs of slab movement:

• Floors that slope or feel uneven underfoot.
• Cracked floor tile or grout lines that keep opening.
• Doors that stick or will not latch, and gaps above door frames.
• Stair-step cracks in brick and separation at window corners.
• Gaps between the house slab and the porch, patio, or garage.

Slab repair typically ranges from about $2,500 to $15,000+, with small stabilization or targeted work at the lower end and larger pier scopes at the higher end.

Your price depends on how many support points are needed, whether interior piers are required, access around the house, and whether drainage corrections are included. The exact cost is confirmed after an on-site inspection and a written scope.