Foundation Repair Cost Guide
Foundation repair costs range from $500 for minor crack injection to $30,000+ for major underpinning projects. The right number depends entirely on your foundation type, the root cause, severity, and your local market.
Last updated: June 2025 · Reviewed by the FoundationQHub Editorial Team
| Repair Type | Low | Typical | High |
|---|---|---|---|
| Crack injection / sealing | $250 | $400-$800 | $2,000 |
| Mudjacking / slab leveling | $500 | $1,000-$3,000 | $5,000 |
| Pier installation (per pier) | $1,000 | $1,500-$2,500 | $3,500 |
| Full slab repair (10+ piers) | $5,000 | $8,000-$20,000 | $30,000+ |
| Crawlspace pier & beam repair | $1,500 | $5,000-$10,000 | $15,000 |
| Basement wall repair | $1,000 | $3,000-$8,000 | $15,000 |
| Foundation inspection | $200 | $300-$500 | $750 |
| Commercial foundation repair | $5,000 | $15,000-$50,000 | $100,000+ |
Cost Guides by Repair Type
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What is the average cost of foundation repair?
The national average for foundation repair is around $4,500-$7,000, but costs range widely from under $1,000 for simple crack sealing to $30,000+ for major piering projects. The actual cost depends on your foundation type, severity, soil conditions, and local labor market.
Why do foundation repair costs vary so much?
Foundation repair is highly variable because the root cause, severity, and required solution differ dramatically from property to property. A minor shrinkage crack requires different (and far cheaper) treatment than a foundation sinking due to unstable soil. The number of piers or support points needed is one of the biggest cost drivers.
Is it cheaper to repair a foundation or replace it?
Foundation replacement (demolition and full repour) is rarely necessary and costs $20,000-$100,000+. In most cases, repair is far more practical and effective. Contractors who push replacement when repair is viable should be avoided.
Do I need to get multiple quotes for foundation repair?
Yes. Foundation repair quotes can vary by 50-100% for the same job. Getting 3+ quotes lets you identify outliers and gives you negotiating leverage. FoundationQHub can match you with multiple local contractors at once.
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