Hiring a metal building contractor is a major investment—often $15,000 to $500,000+ depending on structure size—so you need proof they're legitimate and protected by insurance. Skipping this verification step puts your project, property, and finances at serious risk if something goes wrong. Here's how to confirm a contractor is licensed, insured, and actually qualified to build your pole barn or metal structure.
Why License and Insurance Matter for Metal Buildings
Metal building installation isn't like hiring a handyman to fix a deck. These structures involve foundation work, engineering calculations, code compliance, and heavy equipment. A contractor without a valid license may not understand local building codes, seismic requirements, or snow load ratings specific to your region. Insurance protects you financially if a worker gets injured, a structural fault appears, or materials are damaged during construction.
Without proof of insurance and licensing, you're personally liable for accidents and defects. That's a vulnerability most homeowners and business owners don't realize until it's too late.
Step 1: Verify Your Contractor's License
Check your state's licensing board first. Most states require general contractors (and sometimes specialized trades) to hold an active license. Search the contractor's name, license number, and business name on your state's Contractors' State License Board or equivalent authority website. For metal buildings, many states classify this under "General Building Contractor" or "Structural Steel Contractor."
What to look for during verification:
- License is active (not expired, suspended, or revoked)
- License type matches the scope of work (general contractor or specialty license)
- License number, address, and name match exactly what the contractor gave you
If you can't find them, ask why. A legitimate contractor can provide their license number and board website within seconds. If they deflect or say "we work under my partner's license," dig deeper—this is a red flag.
Step 2: Request Proof of General Liability and Workers' Compensation Insurance
When a metal building contractor quotes your project, ask for certificates of insurance (COI). This is standard in the industry, and professional contractors expect it.
You need two primary policies:
- General Liability Insurance – covers property damage, bodily injury, and accidents on your job site. Minimum coverage should be $1–2 million for residential projects; $2–5 million for commercial structures.
- Workers' Compensation Insurance – required in most states if the contractor has employees. This covers medical bills and lost wages if a worker is injured.
Call the insurance company directly to verify the policy is active. Don't rely solely on a photocopied certificate; insurers can cancel coverage without telling the contractor. Request a certificate that lists your project address as an "additional insured," which extends coverage protections to you.
Step 3: Check for Liens, Complaints, and Contractor History
Visit your county's recorder office (online or in person) and search for mechanic's liens filed against this contractor. If they have multiple liens, it suggests they don't pay subcontractors or suppliers—a major warning sign.
Search the Better Business Bureau (BBB) and Google Reviews for the contractor's name. Look for patterns in complaints:
- Unfinished projects or timeline overruns
- Structural issues after completion
- Disputes over billing or change orders
- Safety violations
One or two complaints might be normal. A pattern of unresolved issues suggests chronic problems.
Step 4: Verify Bonding (If Required)
Some states and local jurisdictions require contractors to post a performance bond for projects over a certain cost (typically $25,000–$100,000+). A bond guarantees the contractor completes the work to code. Ask your local building department whether bonding is required for your project. If it is, request proof from the contractor.
Step 5: Confirm They Can Pull Permits and Pass Inspections
A licensed, insured contractor should be able to pull building permits on your behalf and schedule required inspections (foundation, framing, electrical if applicable). During your conversation, ask:
- "Who obtains the building permit?"
- "Have you worked with our local building department before?"
- "What's your typical inspection timeline?"
Contractors familiar with your area's requirements will answer confidently. Hesitation suggests they haven't built many metal structures locally.
Finding Verified Metal Building Contractors
Comparing contractors individually takes time. Platforms like Mercoly help you find and compare trusted metal building and pole barn contractors in one place, with verified licensing and insurance information available upfront.
Frequently Asked Questions
Q: What if my contractor is licensed but doesn't have workers' comp insurance? Don't hire them. If they have employees, it's likely illegal, and you're exposed to liability. If they're a sole proprietor with no employees, ask why they chose not to carry general liability—that's still a major risk.
Q: How much should general liability insurance cost? Contractors typically pay $800–$2,500 annually depending on project volume and risk; this cost is factored into their pricing to you, so don't expect it to disappear.
Q: Can I hire an unlicensed contractor if I do all the permit work myself? No. Permits are issued to licensed contractors in most states, and unlicensed work voids many building warranties and insurance protections.
Start your verification process today—ask your top three contractors for licenses, insurance certificates, and references before requesting a detailed bid.