Address : 1200 N 6th St, Princeton, TX 75407 Phone : 972-694-1414 Even though you expect your slab to last for decades without incident, there is just no way to guarantee that you’ll never run into trouble. All too often, the clay-based soil in the state makes Princeton foundation repair a must. Whether you have experienced shifting soil, sinkholes, water damage and more, many things can lead to a damaged foundation. And when you have deep cracks and sinking slabs, you don’t have a lot of time to repair them.