It's the question every homeowner with a serious foundation problem asks: fix it, or replace it? The good news is that for the overwhelming majority of homes, the answer is repair.
The price gap is enormous
Replacement means lifting the entire house, demolishing the old foundation, and building a new one. It's disruptive, slow, and expensive — which is why it's a last resort, not a default.
When to repair
Almost always. If the foundation is fundamentally sound and the problem is localized — some settlement, a few cracks, one bowing wall — targeted repairs (piering, crack injection, wall reinforcement) restore stability for a fraction of replacement cost. This covers the vast majority of foundation problems.
When to replace
Replacement makes sense only when the foundation has failed so broadly that repairs would cost a large share of replacement anyway: widespread crumbling concrete, severe deterioration throughout, or a foundation built so poorly that piecemeal fixes won't hold. A structural engineer — not a contractor with a quota — should make that call.
Ranges follow national aggregator data (Angi, NerdWallet). See our methodology.