How Much Does Foundation Repair Cost?
$2,500 – $15,000
National average: $6,500
Estimate your cost
Adjust the options for a tailored ballpark — figures and the regional adjustment are approximate estimates. Always confirm with local quotes before you budget.
Foundation problems range from cosmetic cracks to serious structural failure, so the cost range is wide: $2,500 to $15,000 for most homes, averaging around $6,500, with minor sealing far cheaper and major underpinning much more.
What you’re paying for
The repair method depends entirely on the diagnosis. Sealing a non-structural crack is inexpensive. Stabilizing a settling foundation with piers, leveling a sunken slab, or reinforcing a bowing wall is skilled, equipment-heavy work — and the number of piers or anchors needed sets the total. A full underpinning job can reach $30,000.
Cost by repair type
“Foundation repair” covers everything from a $500 crack injection to a five-figure underpinning. The table below shows typical pricing by the actual fix, which is why a diagnosis matters before you compare quotes.
Start with a diagnosis, not a contractor
This is the most important money-saving move in foundation work. Before collecting repair bids, pay for a structural engineer’s inspection ($300–$1,000). An independent engineer isn’t selling you a repair, so their report tells you what’s genuinely wrong and specifies the appropriate fix. That single document protects you from contractors who over-prescribe piers you don’t need — and from under-fixing a real structural problem.
Don’t ignore the water
A large share of foundation movement is driven by water: poor grading, downspouts discharging at the foundation, plumbing leaks, or expansive clay soils that swell and shrink. Correcting drainage is frequently part of a lasting repair — fix the structure without fixing the water, and the problem often returns.
How to save on foundation repair
- Get an independent engineering report first.
- Address drainage — fixing water at the source can prevent recurring damage.
- Act early — small cracks are cheap; ignored movement gets expensive.
- Compare quotes and insist on a transferable warranty.
| Component | Typical range | Notes |
|---|---|---|
| Minor crack sealing | $500 – $1,500 | — |
| Piering / underpinning (per pier) | $1,000 – $3,000 | — |
| Slab leveling (mudjacking) | $500 – $2,000 | — |
| Bowing wall reinforcement | $4,000 – $12,000 | — |
| Drainage / waterproofing | $2,000 – $8,000 | — |
| Engineering inspection | $300 – $1,000 | — |
| Option | Typical range | Notes |
|---|---|---|
| Crack sealing (non-structural) | $500 – $1,500 | — |
| Slab leveling (mudjacking/foam) | $500 – $2,000 | — |
| Piering (per pier) | $1,000 – $3,000 | — |
| Bowing wall reinforcement | $4,000 – $12,000 | — |
| Full underpinning (multiple piers) | $10,000 – $30,000 | — |
What affects the price
- Type of damage Hairline cracks are cheap to seal; settling, bowing walls, and structural failure cost far more.
- Repair method Crack injection, piering, slab jacking, and wall anchors all carry different price tags.
- Number of piers Underpinning is priced per pier; the more your foundation needs, the higher the total.
- Access & soil Difficult access and expansive or unstable soils raise labor and complexity.
- Region Labor and soil conditions vary widely; expansive-clay regions see more (and pricier) foundation work.
Frequently asked questions
- How do I know if my foundation needs repair?
- Warning signs include stair-step cracks in brick, doors and windows that stick, sloping or bouncy floors, and gaps around frames. A structural engineer's inspection confirms the cause and severity.
- Is foundation repair covered by insurance?
- Standard homeowners policies usually exclude settling and soil movement, but may cover damage from a covered event like a burst pipe. Check your policy carefully.
- How much do foundation piers cost?
- Piers (underpinning) typically run $1,000–$3,000 each installed. A full piering job runs $10,000–$30,000, with most homeowners paying around $16,000 for a permanent fix.
- Should I get an engineer before a contractor?
- Yes. An independent structural engineer ($300–$1,000) isn't selling a repair, so their report tells you what's actually wrong and right-sizes the work — protecting you from both overselling and underestimating.
- Can I sell a house that needs foundation work?
- Yes, but unrepaired foundation issues lower offers and can complicate financing. A documented repair with a transferable warranty reassures buyers.
- How long does foundation repair last?
- Properly installed piers and a transferable lifetime warranty mean a structural fix should be permanent. Recurring problems usually trace back to unaddressed drainage or soil issues.
- Will fixing drainage stop foundation problems?
- Often, yes. Much foundation movement is driven by water — poor grading, downspouts dumping at the foundation, or expansive soil. Correcting drainage is frequently part of a lasting fix.
How we estimate: ranges reflect typical U.S. pricing for materials and professional installation, compiled and cross-checked against the current (2026) industry sources listed below (see our data & methodology). Your actual cost depends on your location, project size, material grade, and local labor rates — always get multiple written quotes before you commit.
Sources
Cost ranges on this page were checked against current (2026) data from these industry sources:
- Pier and Beam Foundation Repair Cost (2026) — Angi
- Pier and Beam Foundation Repair Cost (2026) — HomeGuide
- How Much Do Piers for a Foundation Cost? (2026) — Today's Homeowner