Guides March 2, 2026 10 min read

How to Choose a Foundation Repair Contractor (Without Getting Scammed)

Choosing the wrong foundation repair contractor can cost you thousands. Here are the questions to ask, red flags to spot, and what honest pricing looks like.

MD

Matt Davis

Attack A Crack Foundation Repair

Foundation repair contractor greeting a homeowner at their front door with work van in the driveway

Why We Are Writing This (And Yes, We See the Irony)

A foundation repair company writing a guide on how to choose a foundation repair company. We get it. That is like a used car dealer writing “How to Spot a Shady Used Car Dealer.” But here is the thing: we have been in this business for decades, and we have seen what bad actors do to homeowners. We have fixed botched repairs done by unqualified contractors. We have talked to homeowners who paid thousands for work that solved nothing. And we have watched fly-by-night companies disappear after cashing a check.

So yes, this guide might benefit us if you choose us. But it will definitely benefit you regardless of who you choose, because an informed homeowner is harder to scam. That matters more.

The Red Flags: Warning Signs of a Bad Contractor

High-Pressure Sales Tactics

The number one red flag in foundation repair is urgency pressure. “This needs to be done immediately or your house could collapse.” “This price is only good today.” “I can have a crew here tomorrow if you sign now.”

Foundation problems develop over months and years, not hours. With very rare exceptions, you have time to get multiple opinions and make a considered decision. Any contractor who pressures you to sign before you have had time to think is prioritizing their sales commission over your interests.

No Written Warranty or Vague Warranty Terms

Ask about the warranty before you ask about the price. A reputable foundation repair company provides a clear, written warranty that specifies exactly what is covered, for how long, and what happens if the repair fails.

Watch out for verbal warranties (“Oh yeah, we stand behind our work”), warranties with excessive exclusions, or warranties from companies that may not exist in five years. The warranty is only as good as the company backing it.

Surface-Only Repairs

Foundation crack repair done right involves injecting material through the full thickness of the wall, or applying structural reinforcement that addresses the underlying cause. Surface-only repairs, such as spreading hydraulic cement over a crack or painting on a waterproof coating, may look good for a few months but do not address the actual problem.

If a contractor proposes a repair that only addresses the interior surface of your foundation, ask how that prevents water from entering through the wall. If they cannot give you a clear, logical answer, they are selling you a cosmetic fix.

Refusing to Explain Methods and Materials

A good contractor can and will explain exactly what they plan to do, what materials they will use, and why their approach addresses your specific problem. If a contractor is vague about methods, uses proprietary jargon without explanation, or gets defensive when you ask questions, that is a problem.

You are not expected to be a foundation repair expert. You are expected to be a homeowner who asks reasonable questions. Any contractor who makes you feel foolish for asking is not someone you want working on your house.

No License or Insurance

This is non-negotiable. In both Massachusetts and Connecticut, contractors must be licensed and carry liability insurance and workers’ compensation coverage.

Massachusetts: Home improvement contractors must be registered with the Office of Consumer Affairs and Business Regulation. Check the state’s contractor registry.

Connecticut: Home improvement contractors must be registered with the Department of Consumer Protection. Check the CT contractor license lookup. A registration number (HIC.XXXXXXX) should be on all contracts and advertising.

If a contractor cannot provide their license number and proof of insurance, walk away. Period.

Ten Questions to Ask Every Foundation Repair Contractor

Before you hire anyone, ask these questions. The answers will tell you a lot.

  1. How long have you been in business? Foundation repair is not a learn-as-you-go trade. Experience matters. Look for a track record of at least 10 years.

  2. What specifically is causing my problem? The contractor should diagnose the cause (hydrostatic pressure, settling, lateral soil pressure, etc.), not just describe the symptom (crack, leak, moisture).

  3. What repair method do you recommend, and why? There should be a clear rationale connecting the diagnosis to the solution. “We always do it this way” is not a rationale.

  4. What materials will you use? For crack injection: polyurethane or epoxy? What brand? Can they inject at up to 100 PSI for stubborn cracks? For reinforcement: carbon fiber staples or carbon fiber stitches? These are not trick questions. A professional knows this off the top of their head.

  5. What does your warranty cover, specifically? Get the written warranty terms before signing anything. Ask about exclusions, transferability, and what “warranty service” actually looks like if you need it.

  6. Are you licensed, insured, and bonded? Ask for the actual license number and insurance certificate. Verify them independently.

  7. Will you provide a written itemized quote? The quote should detail the scope of work, materials, timeline, warranty terms, and payment schedule. If the contractor resists putting it in writing, that tells you everything.

  8. What happens if the repair does not work? This is the question that separates honest contractors from the rest. A good contractor will explain their warranty process. A bad one will get uncomfortable.

  9. Do you subcontract this work? You want to know who is actually doing the repair. Subcontracted work is not inherently bad, but you should know who is responsible for quality and warranty.

What Fair Pricing Looks Like

Foundation repair pricing varies by repair type, scope, and region. Here are general ranges for New England:

Crack injection (single crack, poured concrete): $800-$1,300 per crack for standard injection through the full 8-10 inches of concrete. Multi-crack jobs $800-$2,500.

Carbon fiber staples/stitches (per stitch): $200-$300 per carbon fiber stitch for crack bridging. Full wall reinforcement with straps runs $800-$1,500 per strap.

Wall stabilization (serious structural repair): $3,000-$8,000+ depending on the scope. These are the bigger jobs.

Full interior drainage system with sump pump: $5,000 to $15,000 depending on basement size and conditions. This is not crack repair; it is water management.

What Is Too Cheap

If a price seems dramatically lower than other quotes, ask why. Common corners that cheap contractors cut:

  • Using inferior injection materials that shrink or crack
  • Injecting only part of the crack (surface treatment, not full-depth)
  • Skipping preparation steps
  • No warranty or a meaningless warranty
  • Unlicensed labor

A repair done wrong is not a bargain at any price. You will pay to have it done again, sometimes by someone who has to undo the first contractor’s work before they can do it right.

What Is Too Expensive

Some companies price high because they offer premium service. Others price high because their sales model includes large commissions for their representatives, or because they are selling you a more elaborate solution than your problem requires.

Get three quotes minimum. If one is dramatically higher than the others, ask what justifies the difference. Sometimes there is a legitimate answer (better warranty, superior materials, more comprehensive approach). Sometimes there is not.

What Good Companies Do Differently

Beyond avoiding red flags, here is what distinguishes excellent foundation repair contractors.

They Tell You When You Do Not Need Them

The most trustworthy thing a contractor can do is tell you that your problem does not require their services. A hairline crack that is not leaking and shows no signs of growth? An honest contractor will tell you to monitor it and call back if it changes. A dishonest one will sell you a repair you do not need.

They Explain, Not Just Sell

A good contractor educates you about your problem. They show you the crack, explain what caused it, describe what is happening inside the wall where you cannot see, and connect the diagnosis to the proposed solution. After a consultation, you should feel like you understand your situation, not just that you have been told what to buy.

They Have Been Around and Will Be Around

A 20-year warranty from a company that has been in business for 30 years means something. A lifetime warranty from a company that opened last year means nothing. Track record matters.

Licensing and Insurance: The Details

Massachusetts Requirements

  • Home Improvement Contractor (HIC) Registration required
  • General liability insurance required
  • Workers’ compensation required if the contractor has employees
  • Written contract required for jobs over $1,000
  • Payment schedule restrictions: no more than 1/3 upfront before work begins

Connecticut Requirements

  • Home Improvement Contractor Registration required (HIC number)
  • General liability insurance required
  • Workers’ compensation required if the contractor has employees
  • Written contract required
  • Mechanic’s lien rights and responsibilities must be disclosed

In both states, ask for the registration number, write it down, and verify it online. It takes two minutes and eliminates a huge category of risk.

Our Open-Book Approach

We wrote this guide knowing that it sets a standard we have to meet ourselves. Here is how we measure up.

Experience: Decades of experience in New England foundation repair.

Licensing: Fully licensed and insured.

Warranty: Lifetime transferable warranty on crack injection repairs, in writing, with clear terms.

No pressure: Our consultations start with your photos — we diagnose problems and give honest advice, not pressure tactics.

Free consultations: We offer free foundation consultations with no obligation. Text us photos and we will tell you what we see, what it costs, and let you decide on your own timeline.

Honest assessments: We regularly tell homeowners that their foundation does not need repair. We refer work to other specialists when the problem is outside our scope, such as sump pump installation or comprehensive waterproofing systems.

We are not the right contractor for every foundation problem. But we are the right contractor for the problems we specialize in, and we will tell you honestly which category yours falls into.

When NOT to Hire a Foundation Repair Contractor

Not every crack needs professional repair. Hairline vertical cracks (thinner than 1/16 inch) that are not leaking and not growing can be safely monitored. Mark the ends with a pencil, note the date, and check quarterly. If it stays stable and dry, you do not need us. If it starts leaking, widening, or you notice water in your basement after rain near that spot, then it is time to call.

The Bottom Line

Choosing a foundation repair contractor comes down to three things: competence, honesty, and accountability. Can they do the work right? Will they tell you the truth about what you need? And will they stand behind it if something goes wrong?

Ask the questions in this guide. Verify the answers. Get multiple opinions. And trust your instincts when something feels off.

If you would like to include us in your evaluation, text us photos for a free assessment. We are happy to be one of the contractors you compare and confident in how that comparison will turn out. 860-573-8760 (CT) | 617-668-1677 (MA)If you would like to include us in your evaluation, text us photos for a free assessment. We are happy to be one of the contractors you compare and confident in how that comparison will turn out. 860-573-8760 (CT)If you would like to include us in your evaluation, text us photos for a free assessment. We are happy to be one of the contractors you compare and confident in how that comparison will turn out. 617-668-1677 (MA)

Tags: contractor selection scam prevention foundation repair hiring guide
MD

Matt Davis

Managing Partner at Attack A Crack, leading Massachusetts operations. Matt brings technical expertise and a commitment to customer satisfaction to every project.

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