Frequently Asked Questions
How much does foundation repair cost on average?
Minor crack sealing runs $500–$1,500, slab jacking $600–$1,800, steel or helical piers roughly $1,000–$3,000 each, and bowing-wall repair $4,000–$15,000. Severe structural movement can multiply these figures by 1.5× or more because it requires engineering, excavation, and additional piers.
When is a foundation crack serious?
Vertical hairline cracks are usually normal concrete shrinkage and only need sealing. Horizontal cracks, stair-step cracks in block, cracks wider than about 1/4 inch, and any crack paired with sticking doors or sloping floors signal active movement and warrant a structural engineer's assessment.
Do I need an engineer before repairing my foundation?
For anything beyond cosmetic crack sealing, yes. A stamped structural engineer's report costs about $350–$800 and tells you exactly what is failing and how many piers are truly needed, preventing you from over-buying repairs a salesperson recommends.
Why do foundation problems keep coming back after repair?
Most foundation failures are water-driven. If you fix the foundation but ignore the root cause - poor drainage, clogged gutters, or negative grading around the house - soil moisture keeps shifting and the problem recurs. Budget for drainage corrections alongside any structural repair.
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This calculator provides estimates for informational purposes only. Results are based on assumptions and may not reflect actual outcomes. Consult qualified professionals in relevant fields before making important decisions based on these results.