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Foundations

How Do You Choose the Right Foundation Contractor?

On this page:
  • How to spot early signs of foundation damage
  • How to verify contractor credentials carefully
  • Contractor red flags to watch out for

Find the best foundations pros in your area.

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We help homeowners make confident decisions through our reliable, up-to-date, and unbiased information and average project costs. All of our content is thoroughly reviewed and fact-checked by our team of home improvement experts. Learn more about how we maintain these values.

How Do You Choose the Right Foundation Contractor?

A foundation contractor is a licensed professional who inspects, repairs, and stabilizes your home’s foundation to prevent long-term structural damage. Choosing the right contractor is one of the most important steps you can take to protect your home’s safety and value.

If left unchecked, foundation issues can cause serious and costly problems throughout your house. By choosing an experienced and reputable contractor, you’ll ensure repairs are done correctly, avoid unnecessary expenses, and gain peace of mind knowing your home is secure.

Close-up image of work boots by a muddy foundation during repair

How Do You Know If Your Home Has Foundation Problems?

Recognizing early warning signs of foundation issues can save you from expensive repairs later. These are the most common symptoms:

  • Cracks in walls, ceilings, or tiles
  • Doors and windows that suddenly stick or won’t close properly
  • Floors that slope, dip, or feel uneven
  • Gaps around window frames or exterior doors
  • Visible cracks in the foundation itself

If you notice one or more of these issues, your foundation may need professional attention.

Why it matters: Foundation problems never fix themselves. The longer they’re ignored, the worse they become — often leading to more severe structural damage and much higher repair bills.

Read more about common foundation problems in our helpful guide.

Cracks in concrete foundation

Why Should You Hire a Professional for Foundation Repair?

While DIY repairs may be tempting, foundation problems require expert evaluation and specialized equipment. A professional foundation contractor ensures the job is done correctly and safely.

Key reasons to hire a professional:

  • Accurate diagnosis: Contractors can spot root causes that homeowners often overlook.
  • Advanced tools and methods: Professionals use modern technology like hydraulic piers and slabjacking systems for long-lasting repairs.
  • Work guarantees: Many contractors back their work with warranties, protecting your investment.

Bottom line: Professional repairs give you confidence that your foundation will remain stable for years to come.

➤ Read more in our guide to different foundation repair methods.

What Steps Should You Take to Choose the Right Foundation Contractor?

1.  Find Recommendations

Where Can You Find Recommendations? Start by asking friends, neighbors, and family about contractors they’ve used. Online reviews, testimonials, and local directories also provide valuable insights into a contractor’s reputation.

2. Check Credentials

How Do You Check a Contractor’s Credentials? Always verify that the contractor is licensed and insured. Industry certifications and memberships (such as BBB accreditation) are additional signs of professionalism and quality standards.

3. Look at Experience

What Experience Should You Look For? Ask how long the contractor has been in business and whether they’ve worked on homes with issues similar to yours. Look for proven expertise in multiple repair methods.

4. Gather Estimates

How Many Estimates Should You Get? Gather at least three detailed quotes to compare costs, materials, methods, and warranties. Avoid vague or incomplete estimates. Modernize can connect you with the best foundation contractors in your area.

5. Get References

Should You Ask for References? Yes — request references from past clients. Ask about timeliness, professionalism, and the durability of the repairs. Speaking directly to previous customers provides peace of mind.

The front view of a home undergoing foundation repair

What Questions Should You Ask a Foundation Contractor?

Before hiring, ask contractors these essential questions, and pay attention to the clarity of their answers:

  1. How long have you been in business? 
    Look for 5–10+ years of experience.
  2. What repair methods do you recommend for my home? 
    Contractors should explain methods clearly and justify their choice.
  3. Can you provide a detailed written estimate? 
    A good estimate breaks down labor, materials, and timeline.
  4. Do you offer a warranty on your work? 
    Strong contractors provide at least a 5-year warranty.
  5. Can I speak to recent clients you’ve worked with? 
    References should confirm quality and professionalism.

How Much Does Foundation Repair Cost?

Foundation repair costs vary depending on the method and severity of damage.

Typical repair methods and price ranges:

  • Crack repairs: $500 to $1,500
  • Slabjacking (lifting concrete slabs): $1,000 to $3,000
  • Piering (installing steel piers for stability): $5,000 to $15,000+

On average, most homeowners spend between $2,000 and $7,500 on foundation repairs.

➤ For more details, see our complete foundation repair cost guide.

What Are the Warning Signs of a Bad Foundation Contractor?

Not every contractor is trustworthy. Watch for these red flags before signing a contract:

  • Unusually low estimates (often a sign of corner-cutting)
  • High-pressure sales tactics that rush you into signing
  • Lack of licensing or insurance
  • Unresolved complaints or negative reviews

If something feels off, trust your instincts and keep looking.

How Do You Choose the Best Foundation Repair Contractor?

After gathering estimates, references, and credentials, weigh your options carefully.

The best contractor will be:

  • Licensed and insured
  • Experienced with your type of foundation
  • Transparent about costs and repair methods
  • Offering written warranties
  • Backed by positive client reviews

Choosing wisely ensures long-lasting repairs, protects your home’s stability, and saves you from costly problems in the future. Modernize can connect you with trusted foundation repair professionals in your area, so you know your project will be done right.

FAQs About Foundation Contractors

What is a foundation contractor?

A foundation contractor is a licensed professional who repairs and stabilizes a home’s foundation to prevent structural damage.


What’s the average cost of foundation repair?

Most homeowners spend between $2,000 and $7,500, depending on damage severity and repair method.


Can I stay in my home during foundation repair?

Yes, most foundation repairs allow you to remain in your home, though some major jobs may require temporary adjustments.


How long does foundation repair take?

Repairs can take anywhere from a few hours for crack sealing to several weeks for major piering projects.


What happens if I ignore foundation problems?

Foundation issues worsen over time, leading to uneven floors, structural instability, and repair costs that can triple if left untreated.


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