Select issue type
ft²
Total finished area of your home
Enter square footage
#
Count of individual repair points
Older homes often need more work
Estimated Foundation Repair Cost
—
⚠️ Always get 3 quotes. Foundation repair costs vary significantly by contractor, region, and severity. This estimate is for budgeting purposes only. A structural engineer inspection ($300–$700) is strongly recommended before committing to repairs.
Was this calculator helpful?
How Much Does Foundation Repair Cost?
Foundation repair costs range from $250 for minor crack injection to $100,000+ for full foundation replacement. The average homeowner pays $3,000–$8,000 for common foundation issues like settling, minor cracking, and waterproofing. Early detection and repair prevents minor issues from becoming catastrophically expensive structural failures.
Foundation Repair Cost by Type
Repair Cost = Base Cost × Foundation Type Factor × Age Factor × Market Factor × Number of Issues
Typical ranges: Crack injection $250–$800 | Piering/underpinning $1,500–$3,000/pier | Full waterproofing $5,000–$15,000 | Bowing wall carbon fiber $4,000–$12,000
Foundation Repair Cost Breakdown by Method
- Epoxy/Polyurethane Crack Injection: $250–$800 per crack — best for non-structural hairline cracks in poured concrete
- Carbon Fiber Straps (bowing walls): $400–$600 per strap — stops wall movement without excavation
- Steel Push Piers: $1,200–$2,000 per pier — permanent fix for settling foundations, 8–12 piers typical
- Helical Piers: $1,500–$2,500 per pier — ideal for lighter structures or new construction
- Mudjacking/Slab Lifting: $500–$1,500 per section — raises sunken concrete slabs with grout
- Polyurethane Foam Lifting: $800–$2,500 per section — faster, lighter alternative to mudjacking
- Interior Drain Tile System: $5,000–$12,000 — waterproofing with perimeter drain and sump pump
💡 Warning Signs: Sticking doors/windows, diagonal cracks from corners, gaps between walls and ceiling, bowing basement walls, and water intrusion all signal foundation issues. Fix them early — costs increase dramatically as problems worsen.
Popular Calculators
Related Calculators
Frequently Asked Questions
How much does foundation repair cost on average?
The average foundation repair cost is $3,000–$8,000 for common issues. Minor crack repairs cost $250–$800. Moderate issues like settling and bowing walls range $4,000–$15,000. Severe structural problems requiring underpinning or piering cost $10,000–$30,000. Full foundation replacement runs $20,000–$100,000 depending on home size. Always get 3+ quotes from licensed foundation contractors.
Is foundation repair covered by homeowners insurance?
Standard homeowners insurance typically does NOT cover foundation repair from settling, poor soil, or wear and tear — which are considered maintenance issues. However, sudden and accidental damage (like a plumbing leak that caused foundation damage, or earthquake damage with a separate earthquake policy) may be covered. Review your policy carefully and consult your insurer before starting repairs.
How do I know if my foundation needs repair?
Warning signs include: diagonal cracks extending from corners of windows/doors, horizontal cracks in basement walls, bowing or leaning walls, floors that are uneven or sloping, sticking doors and windows, gaps between walls and ceiling or floor, water seeping into basement, and visible separation between foundation and home structure. A licensed structural engineer ($300–$700) can confirm severity.
What is underpinning and when is it needed?
Underpinning is the process of strengthening a foundation by extending its depth or adding support structures (steel piers, helical piers, or concrete piles) down to stable soil or bedrock. It's needed when the original foundation is too shallow, when soil has eroded or shifted, or when the structure is sinking unevenly. Pier-based underpinning typically costs $1,200–$2,500 per pier with 8–15 piers typical for an average home.
Can I sell a house with foundation problems?
Yes, but you must disclose known foundation issues in most states. Foundation problems significantly reduce home value — typically by 10%–25% of home value depending on severity. You can sell as-is at a reduced price, repair before listing (often recommended), or negotiate repair credits with the buyer. Most buyers' lenders require foundation issues to be repaired before mortgage approval, limiting your buyer pool.
How long does foundation repair last?
Quality foundation repairs done by licensed contractors are typically permanent or long-lasting: steel/helical pier systems are designed to last the life of the structure (50+ years); carbon fiber straps and wall anchors are permanent under normal conditions; crack injections last 5–20+ years depending on continued settling; exterior waterproofing membranes last 10–25 years. Most reputable companies offer transferable lifetime warranties on pier systems.