What is the cost per square foot for slab repair?

Crack sealing $2–$5/sq ft; mudjacking/slab jacking $3–$6/sq ft; pier installation and full repair $5–$15+/sq ft.

Mudjacking vs pier installation cost?

Mudjacking is usually cheaper ($3–$6/sq ft) and good for minor settling. Piers cost more but address significant movement.

How long does slab repair take?

Crack sealing 1 day; mudjacking 1–2 days; pier installation 3–7 days; full replacement 1–2 weeks.

What is included in slab foundation repair?

Typically: inspection, drilling (mudjacking or piers), material injection or pier installation, and patching. Engineering may be extra.

Does homeowners insurance cover slab repair?

Often no for settling or wear. Sudden events (e.g. plumbing leak) may be covered. Check your policy.

How do I get the best slab repair quote?

Get 2–3 quotes from slab specialists. Specify square footage and severity. Ask about warranty and method.

What causes slab foundation problems?

Soil movement, moisture changes, poor compaction, tree roots, and plumbing leaks. Proper drainage helps.

How much does mudjacking cost?

Mudjacking typically $3–$6 per sq ft or $500–$1,500 per hole. Total project $2,000–$6,000 for typical slab.

Can I repair a slab myself?

Small crack sealing can be DIY. Mudjacking and piers require equipment and expertise.

What is the lifespan of slab repair?

Mudjacking often 5–10+ years; piers can last decades. Soil conditions affect longevity.

Do I need a structural engineer for slab repair?

Recommended for significant settling or pier work. Simple mudjacking may not require one.

How much does it cost to fix a sinking slab?

Sinking slab repair typically $2,000–$10,000+ with mudjacking; $5,000–$15,000+ with piers.

Polyurethane vs mudjacking?

Polyurethane foam is lighter and less invasive; cost is similar to mudjacking. Choice depends on contractor and situation.

How do I know if my slab needs repair?

Signs include cracks, uneven floors, sticking doors, and gaps at baseboards. Get an inspection.

Slab Foundation Repair Cost Calculator

Use this free slab foundation repair cost calculator to estimate cost by repair type (crack sealing, mudjacking, piers), square footage, severity, and location. Most repairs run $2,000–$12,000+. Get a low, average, and high estimate below.

How much does slab foundation repair cost?

Slab foundation repair in the U.S. typically costs $2,000–$12,000+: crack sealing $2–$5/sq ft, mudjacking $3–$6/sq ft, piers more. Get 2–3 local quotes.

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These estimates are based on current market data and average costs. Actual costs may vary depending on your location, specific materials chosen, contractor rates, and project complexity. We recommend getting multiple quotes from local contractors for the most accurate pricing.

Average Slab Foundation Repair Cost

National averages vary by repair type. Final cost depends on sq ft and severity.

Cost by type (per sq ft)

Typical ranges

Type	Estimated cost
Crack sealing	$2–$5/sq ft
Mudjacking	$3–$6/sq ft
Piers / full	$5–$15+/sq ft

Cost factors

What drives the total

Factor	Impact
Number of piers	$1,500–$3,000 per pier
Access	Tight spaces can add cost

What Affects Slab Foundation Repair Cost?

Repair type / scope — Crack sealing is least; full pier or replacement is most.
Square footage — Larger slabs cost more.
Severity — Significant settling requires piers or full repair.
Location — Labor and materials vary by region.

Data from contractor quotes

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Slab Foundation Repair Cost FAQs

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