Foundation Repair Cost
Reviewed 2026-07-30
Typical range
$2,500 – $15,000
National average
$6,500
Foundation Repair cost breakdown
| Line item | DIY cost | Professional cost |
|---|---|---|
| Epoxy or polyurethane crack injection (non-structural) | $40 – $80 DIY injection kit for hairline cracks | $500 – $1,500 |
| Steel push piers or helical piers for settlement | Not possible without hydraulic equipment | $1,200 – $2,500 per pier, 8-12 piers typical |
| Carbon fiber straps for bowing wall stabilization | Not recommended | $450 – $900 per strap |
| Wall anchors or braces for lateral wall movement | Not recommended | $600 – $1,200 per anchor |
| Slab pier or mudjacking for sinking slab sections | Not recommended | $1,000 – $3,000 per section |
| Exterior excavation and waterproofing alongside structural repair | Not recommended for full excavation | $3,000 – $8,000 add-on |
What pushes foundation repair cost up
- Number of piers needed, which scales directly with linear feet of foundation settlement
- Poor soil conditions (expansive clay) requiring deeper or more piers
- Combining structural repair with exterior waterproofing and drainage correction
- Difficult excavation due to landscaping, decks, or utility lines
- Severe bowing walls requiring anchors plus interior bracing
- Permit requirements and engineer sign-off in some jurisdictions
- Emergency stabilization after sudden settlement or a storm event
What brings foundation repair cost down
- Catching cracks early when simple epoxy injection suffices
- Smaller affected area limited to one wall section
- Good soil conditions requiring fewer or shallower piers
- No accompanying drainage or waterproofing work needed
- Transferable warranty from a previous repair reducing scope
Foundation Repair diagnostic and emergency fees
$0 – $500; many foundation companies offer free estimates, though independent structural engineer evaluations run $400 – $900
Active, rapidly worsening settlement or a wall in danger of collapse can require emergency shoring, which adds 20-40% to standard pricing for expedited crews and materials.
Questions to ask before you approve foundation repair work
- Has a structural engineer evaluated the cause of movement, separate from the repair contractor?
- How many piers or anchors do you recommend, and how did you calculate that number?
- What warranty do you offer, and is it transferable to a future buyer?
- Will this repair address the underlying cause, such as drainage or soil moisture?
- Do you pull permits, and will the work be inspected?
- What happens if settlement continues after the repair?
Foundation Repair cost questions
How do I know if I need piers or just crack injection?
Hairline, non-widening cracks under 1/16 inch usually only need injection sealing, while cracks that are widening, stair-stepping, or accompanied by sloping floors typically indicate settlement requiring piers.
Is foundation repair covered by homeowners insurance?
Standard policies typically exclude settlement from soil movement, though damage from a covered peril like a plumbing leak that caused settlement may be covered — check your specific policy.
How long do pier systems last?
Steel push piers and helical piers are typically warrantied for the life of the structure when installed to load-bearing strata, often 25 years or longer.
Problems foundation repair solves
- Why Is My House Developing Wall Cracks?
- Why Is My House Getting Sloping Floors?
- Why Is My House Getting Water Pooled Near the Foundation?
- Why Is My House Getting a Sagging Ceiling?
Sources for these foundation repair costs
- American Society of Civil Engineers (ASCE) Foundation guidance
- International Code Council (ICC), Residential Foundation provisions
- Federal Emergency Management Agency (FEMA), foundation and drainage guidance