How Deep Do Helical Piers Go? Depth Requirements for Every Soil Type

Helical pier being installed deep into Oklahoma clay soil with hydraulic torque motor showing depth markers on the steel shaft

When homeowners hear that helical piers are the solution for their settling foundation, the first question is almost always the same: how deep do they actually go? It’s a fair question. You’re about to anchor your home to steel shafts driven into the earth — the depth matters. But the answer isn’t a single number. […]