Updated: Jul 29, 2018

A crack in the corner of your foundation is very common. In the Greater Houston area, slab-on-grade foundations are the predominant construction style due to the high water table, and I see corner cracks on almost every home I inspect. These cracks are not, by themselves, an indication of a foundation problem. As a part of every home inspection, I look for indications of foundation issues. These indicators can include significant cracks in the slab, interior and exterior walls, floors, and other building components. I am also looking for settling or upheaval of the structure, uneven floors, separations in moulding and cabinetry, and doors and windows that are not square. If these conditions are present, a structural engineer should be called to further evaluate the foundation. Even when no other signs are present, I always call out and photograph the presence of a corner crack. This is to document the crack at the time of inspection and to let you know that I saw it and evaluated it as normal. If you're like me, you'll probably feel the urge to do something about it. I would suggest sealing and waterproofing the crack with a product such as Quikrete Concrete Crack Sealant.

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Crack at front, left corner of home