You're about to hire a structural inspector who'll influence a six-figure investment—but how do you know if their credentials are real? Fake or expired certifications slip through more often than homebuyers realize, and a careless inspector can miss foundation cracks, roof deterioration, or load-bearing wall issues that cost tens of thousands later. Learning to verify credentials online takes 20 minutes and protects you from costly mistakes.
Start with State Licensing Databases
Every legitimate structural inspector should hold a license in the state where they work. The specific requirements vary—some states regulate structural engineers separately from home inspectors, and foundation specialists may need different credentials than roof inspectors.
Go directly to your state's licensing board website. Search by the inspector's name, license number, or company name. Most state boards (like California's Department of Consumer Affairs or Texas's TDLR) maintain searchable databases showing:
- Active license status (not expired or suspended)
- Discipline history or complaints
- Specific inspection types they're authorized for
- License renewal dates
If the inspector can't give you a license number or their name doesn't appear in your state's database, that's a red flag. Don't proceed.
Verify Professional Certifications
Beyond state licensing, inspectors often hold certifications from national organizations. These matter because they demonstrate ongoing training in standards that change as building codes evolve.
Key certifications in structural, roof, and foundation inspection include:
- ASHI (American Society of Home Inspectors): The largest home inspection credential in North America. Verify members at ashi.org's member directory.
- NAHI (National Association of Home Inspectors): Another major credentialing body with searchable member lists.
- InterNACHI (International Association of Certified Home Inspectors): Requires continuing education and has a public directory.
- Foundation Repair Association (FRA): Specific to foundation specialists; verify at foundationrepairassociation.org.
- National Roof Contractors Association (NRCA): For roof-focused inspectors; maintains a contractor directory.
Check these organizations' websites directly—don't rely on links the inspector provides. Type the URL into your browser yourself to avoid fake verification sites. Many organizations require members to complete continuing education credits annually (typically 20-30 hours), so ask the inspector when they last renewed their credentials.
Check for Complaints and Disciplinary Records
Beyond license status, search for complaints filed against the inspector. Start with:
- Your state's licensing board: Most have public complaint records or disciplinary actions listed alongside the license holder's name.
- Better Business Bureau (BBB): Search bbb.org for the inspector's business name. Look at the overall rating, but more importantly, read individual complaints. Foundation inspection disputes often involve disagreements about severity of damage—legitimate complaints should be specific, not vague.
- Google Reviews and Yelp: While not official verification, patterns of complaints about missed problems or unprofessional behavior emerge here. One negative review isn't damning; three complaints about missing foundation cracks is.
- County courthouse records: Some states allow you to search civil litigation records online. Lawsuits involving the inspector aren't automatically disqualifying, but multiple suits involving missed structural defects are concerning.
Confirm Insurance and Bonding
Reputable structural inspectors carry errors and omissions (E&O) insurance and often carry bonding. Ask the inspector directly for proof of current coverage and call the insurance company to verify the policy is active—don't accept a photocopy alone.
Typical E&O insurance for structural inspectors ranges from $250,000 to $1 million in coverage. A $250,000 policy is standard for smaller operations; $500,000+ is common for established firms. If an inspector claims they're insured but can't quickly provide proof, that's suspicious.
Call References or Previous Clients
Ask the inspector for five recent clients (ideally from the last six months) willing to discuss their inspection. During a foundation, roof, or structural inspection, did the inspector actually climb into the crawl space, inspect roof underlayment, or test soil around the foundation? Or did they give a superficial once-over?
Pay special attention to references who had significant issues discovered—they'll tell you whether the inspector's findings were thorough and explained clearly.
Frequently Asked Questions
Q: How much should I expect to pay for a structural, roof, and foundation inspection? A: Full inspections typically cost $400–$800, depending on home size and local market. Foundation-only assessments run $300–$600, while roof-only inspections average $200–$400.
Q: How long should a complete structural inspection take? A: A thorough inspection (including attic, crawl space, and foundation) takes 2–4 hours for an average-sized home; rushing through in under 90 minutes is usually a sign of inadequate inspection.
Q: What if an inspector's license is active but they have no professional certifications? A: State licensing alone is minimum—it means they passed exams but don't necessarily commit to ongoing training, so ask about their experience with your home's specific issues (older foundation, metal roof, etc.) before hiring.
Find vetted structural, roof, and foundation inspectors in your area on Mercoly and compare credentials, reviews, and pricing side by side.