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Home & Garden Roofing & Exterior Cost guide

Foundation Inspection Cost: Average Prices & Cost Factors

Updated  2 sources

Typical inspection cost

$300 – $1,000

A foundation inspection checks whether the structure under your house is sound. An inspector looks for cracks, settling, moisture problems, and signs of movement, then reports what they found and what, if anything, needs fixing. People order one before buying a home, after spotting cracks or sticking doors, or when planning repairs.

The price depends on who does the work. A general home inspector costs less than a licensed structural engineer, who can diagnose a problem and specify repairs. Figures below carry a check date of Oct 11, 2026.

Foundation inspection cost by home size

Item Typical range Average Relative price range
1,000 sq ft home $500 – $2,000$1,250
1,500 sq ft home $750 – $3,000$1,875
2,000 sq ft home $1,000 – $4,000$2,500
3,000 sq ft home $1,500 – $6,000$3,750

Source: This Old House: Foundation inspection cost

Foundation Inspection Cost by Home Size

Larger homes take more time to inspect and have more foundation to cover. The table gives ranges for several sizes. These come from a single source and sit above the typical range in the headline, so they likely describe a fuller engineering evaluation rather than a basic visual check. Confirm with the inspector what the quoted scope includes.

Structural Engineer Inspection Cost

An engineer's visit is usually billed by time. Hourly rates vary a great deal, and so does the number of hours a house needs.

Structural engineer inspection cost by time

Item Typical range Relative price range
1-hour inspection $100 – $500
2-hour inspection $200 – $1,000
3-hour inspection $300 – $1,500

Source: This Old House: Foundation inspection cost

Structural engineer hourly rate

Item Typical range
Engineer hourly rate $100 – $500/hr

Source: This Old House: Foundation inspection cost

An engineer's report carries more weight with lenders, insurers, and contractors than a basic visual note. If you suspect a real structural problem, the higher cost often pays for itself in a diagnosis you can act on.

Foundation Inspection Cost per Square Foot

Some inspectors price by area instead of by the hour.

Foundation inspection cost per square foot

Item Typical range
Inspection priced by square foot $0.50 – $2/sq ft

Source: This Old House: Foundation inspection cost

What Affects the Cost

  • Home size. More square footage means more to examine.
  • Foundation type. Slab, crawl space, and basement foundations each take a different approach, and crawl spaces can be harder to access.
  • Inspector qualifications. Engineers charge more than general inspectors.
  • Scope. A visual walk-around costs less than testing for movement or measuring elevation differences.
  • Report. A detailed written report with photos and repair recommendations may cost extra.
  • Location. Rates differ by region and by local demand.
  • Urgency. Rush appointments can carry a premium.

What Happens During an Inspection

The inspector walks the exterior and interior, looking at the foundation walls, floors, and framing for cracks, gaps, and uneven areas. They check how water drains around the house, because poor drainage is a common cause of foundation trouble. In a crawl space or basement they look for moisture and wood damage. For a closer evaluation, an engineer may measure floor levels to see whether parts of the house have shifted.

Not every crack is serious. Hairline cracks in poured concrete are common as it cures. Wide, stair-step, or growing cracks, doors that stick, and floors that slope deserve a professional look.

Foundation Repair Costs After an Inspection

An inspection may end with no action, or it may lead to repair work. The table shows what some common fixes cost.

Foundation repair costs after an inspection

Item Typical range Relative price range
Crack and leak repair $250 – $800
Sinking foundation repair $600 – $3,000
Foundation reinforcement $700 – $5,000
Crawl space encapsulation $1,500 – $15,000

Source: This Old House: Foundation inspection cost

These ranges are wide because the problem and the fix differ from house to house. Get more than one written repair quote, and ask whether the inspector or engineer has any financial tie to the repair company.

Why Estimates Vary

Sources disagree because they measure different services.

Estimates by source

Item Typical range Average Relative price range
This Old House $300 – $1,000$600
Clever Real Estate $271 – $342$306

Sources: This Old House: Foundation inspection cost; Clever Real Estate: Foundation inspection cost

One figure may reflect a basic inspection and another an engineer's evaluation. Ask each provider what is included before comparing prices.

Home Inspector or Structural Engineer?

A general home inspector is a good first step during a home purchase. They cover the whole house and can flag foundation concerns. If they note cracks, settlement, or water intrusion, they will often refer you to an engineer for a closer look. A structural engineer can say what is causing the problem and what repair is appropriate, and an engineer's findings are useful in negotiating with a seller. Licensing rules for engineers and inspectors vary by state, so confirm credentials before hiring.

Signs You Need One

Watch for cracks that widen over time, doors and windows that stick or no longer close squarely, gaps between walls and the ceiling or floor, and floors that slope or feel springy. Water pooling near the foundation after rain, or damp crawl space air, can also point to trouble. None of these proves a structural failure, but each is a reason to have someone qualified look before the problem grows.

Is It Worth Paying for One?

Foundation repair is among the costlier home repairs, so a modest inspection fee can save money by catching a problem before you buy, or by showing that a worrying crack is cosmetic. If you are buying a home with visible signs of movement, the inspection is cheap protection against a large surprise.

Questions to Ask Before You Hire

  • Are you a licensed structural engineer or a general home inspector?
  • What does the inspection cover, and do I get a written report?
  • Do you also sell repairs?
  • How long will the visit take?
  • Can you provide a sample report?

Frequently asked questions

How much does a foundation inspection cost?

A foundation inspection typically costs $300 – $1,000. Clever Real Estate lists a lower range of $271 – $342.

How much does a structural engineer charge to inspect a foundation?

This Old House lists engineer rates at $100 – $500/hr, so a one-hour visit runs $100 – $500.

How much does it cost to inspect a foundation per square foot?

Inspections priced by area are listed at $0.50 – $2/sq ft.

How much does foundation repair cost after an inspection?

Crack and leak repair is listed at $250 – $800, and reinforcement at $700 – $5,000. Repairs for a sinking foundation run $600 – $3,000.

Who should I hire to inspect my foundation?

A general home inspector is a reasonable first step. For visible damage or ongoing movement, hire a licensed structural engineer.