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Foundation Repair Cost Calculator

Crack injection or full piering? Price the right method for your symptoms.

Quick answer

Foundation repair averages $5,100–$5,176 nationally in 2026. By method: crack injection costs $250–$800 per crack, slabjacking/mudjacking $600–$3,000, wall anchors $2,500–$7,500, and pier installation $4,000–$12,000. Severe structural cases can exceed $20,000.

Calculator

cracks

How it works

Method base rate × severity multiplier × units

2026 rates: injection $250–$800/crack, mudjacking $600–$3,000, wall anchors $2,500–$7,500, piers $4,000–$12,000. Severity: minor 0.85x, moderate 1.0x, severe 1.35x.

Match the method to the symptom

Hairline cracks → injection. Sunken slab → mudjacking. Settling house → piers. Bowing walls → anchors. Wrong method = wasted money.

Worked example

Moderate settlement, steel piers:

$8,000 × 1.0 = $8,000

Range: $4,000 – $12,000 by pier count and depth.

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Nobody Googles foundation repair casually — by the time you're here, something is cracking, sticking, or sloping. The cruel part: "foundation repair" isn't one job. A $400 injection and a $12,000 piering project share a name but nothing else.

This calculator prices the four real methods separately — crack injection, mudjacking, wall anchors, and piers — with a severity multiplier, so the number you get matches the job you actually need instead of a meaningless national average.

How to diagnose before you price

  1. Measure crack width: under 1/16" hairline is usually shrinkage; over 1/4" or horizontal deserves an engineer.
  2. Check doors and windows: sticking on one side of the house points to differential settlement (piers territory).
  3. Look for the pattern: vertical cracks = shrinkage; stair-step in brick = settlement; horizontal = wall pressure.
  4. Get a structural engineer ($300–$800) if anything is growing, horizontal, or wider than 1/4".

Foundation repair methods (2026 US averages)

MethodTypical rangeBest for
Crack injection$250–$800 / crackHairline, non-structural cracks
Mudjacking / slabjacking$600–$3,000Sunken slabs (garage, patio, driveway)
Wall anchors / braces$2,500–$7,500Bowing basement walls
Pier installation$4,000–$12,000True foundation settlement
Engineer assessment$300–$800Diagnosis before committing

2026 installed ranges. Sources: Two Brothers Foundation Repair 2026 guidance; Angi/HomeAdvisor consensus.

Worked example: moderate settlement, pier installation

Single-story home, moderate settlement, contractor recommends steel piers:

  1. Method mid rate: $8,000.
  2. Severity moderate: × 1.0.
  3. Total: ~$8,000; realistic range $4,000–$12,000 by pier count and depth.

~$8,000 for a typical piering job — ask for the per-pier price and layout drawing to compare bids fairly.

Pro tips for foundation repair

  • Always get the pier count and per-pier price in writing — it's the only way to compare bids.
  • Fix drainage first: 80% of settlement is water-related, and new piers won't help if the soil keeps washing out.
  • An engineer's letter ($300–$800) often pays for itself by preventing an unnecessary $10,000 piering job.
  • Get 3 bids minimum — foundation quotes vary more than almost any other home project.
  • Ask about transferable warranties — pier warranties that transfer to the next owner protect resale value.

How to use the foundation repair cost calculator

Pick the repair method your contractor recommended (or the one matching your symptoms), set the severity, and enter the number of cracks if using injection. The calculator applies 2026 per-method rates with a severity multiplier — minor issues cost ~15% less than the mid quote, severe ones ~35% more.

How foundation repair cost is calculated

Total = method base rate × severity multiplier × units. 2026 rates: crack injection $250–$800 per crack, mudjacking $600–$3,000 per project, wall anchors $2,500–$7,500, piers $4,000–$12,000. Severity: minor 0.85x, moderate 1.0x, severe 1.35x.

Which repair method do you actually need?

Hairline vertical cracks with no displacement → injection. Sunken slab (garage, patio, driveway) → mudjacking. House settling (sticking doors, sloping floors) → piers. Bowing basement walls → wall anchors. When in doubt, a structural engineer ($300–$800) costs far less than the wrong $8,000 repair.

Foundation repair cost example

Moderate settlement needing 10 steel piers: mid-rate piering runs ~$8,000 at 1.0x severity = ~$8,000, ranging $4,000–$12,000 depending on depth and soil. Three injected cracks at moderate severity: 3 × $525 = ~$1,575, ranging $750–$2,400.

The pier-count trap

Most piering quotes are priced per pier ($300–$800 each installed), and two homes the same size can need wildly different pier counts. Always ask for the pier layout drawing and per-pier price — a $9,000 quote for 12 piers ($750 each) vs a $7,200 quote for 8 piers ($900 each) are not the same deal.

Frequently Asked Questions

How much does foundation repair cost in 2026?+
Foundation repair averages $5,100–$5,176 nationally in 2026, with a typical range of $2,225–$8,135. By method: crack injection runs $250–$800 per crack, slabjacking/mudjacking $600–$3,000, and pier installation $4,000–$12,000. Severe structural cases can reach $20,000 or more.
What is the cheapest foundation repair method?+
Crack injection ($250–$800 per crack) is cheapest and suits non-structural hairline cracks. Mudjacking ($600–$3,000) is the budget option for lifting sunken slabs. Piers ($4,000–$12,000) cost most but are the permanent fix for true settlement.
How do I know if a foundation crack is serious?+
Hairline cracks under 1/16" wide that don't grow are usually shrinkage — monitor them. Warning signs of structural trouble: cracks wider than 1/4", horizontal cracks in basement walls, stair-step cracks in brick, doors/windows sticking, and cracks that keep growing. A structural engineer's assessment ($300–$800) is worth it before committing to piers.
Does homeowners insurance cover foundation repair?+
Usually not. Standard policies exclude settlement, soil movement, and "earth movement" — the most common causes. Coverage sometimes applies when damage comes from a covered peril like a burst pipe or (with a rider) sudden collapse. Read the earth-movement exclusion before assuming anything.
How long does foundation repair take?+
Crack injection: a few hours. Mudjacking: half a day. Pier installation: 1–3 days for a typical home (8–12 piers). Full perimeter piering on a large home can run a week. Most methods let you stay in the home during work.
Is mudjacking or piering better?+
They solve different problems. Mudjacking ($600–$3,000) lifts sunken concrete slabs (driveways, patios, garage floors) — it does not fix foundation settlement. Piers ($4,000–$12,000) stabilize and lift the actual foundation by reaching load-bearing soil. If your house itself is settling, you need piers, not mudjacking.

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