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Mike Sullivan, Senior Editor Last Updated: February 18, 2026 5 min

How to Check If a Siding Contractor Is Licensed in Your State

Checking a contractor license takes five minutes and could save you from a disastrous project. Every state has a licensing database that is free to search. Here is how to verify that the contractor you are considering is actually licensed to do the work.

Why Licensing Matters

A license means the contractor has met minimum requirements for training, experience, and insurance. It also means you have legal recourse through the state licensing board if something goes wrong. Unlicensed contractors operate outside the system, and if they damage your home, your options for recovery are limited.

How to Check (State by State)

Every state maintains a contractor licensing database online. Search for your state contractor licensing board plus your contractor's name or business name. The database will show their license status (active, expired, suspended), license type, and any complaints or disciplinary actions. Bookmark the link and check every contractor before signing.

What to Look For

Verify the license is active, not expired or suspended. Check that the license type covers the work being done (general contractor, home improvement, specialty). Look for any complaints or disciplinary actions. A few resolved complaints over many years is normal. Multiple unresolved complaints or suspended status is a deal-breaker.

States Without Contractor Licensing

Some states do not require a state-level contractor license but may have county or city licensing requirements. In these states, check with your local building department. Even where licensing is not required, insurance (general liability and workers comp) is still essential.

What If They Are Licensed But Have Complaints

One or two complaints over a long career does not necessarily disqualify a contractor. Look at how they were resolved. Were they dismissed, settled, or did they result in disciplinary action? A contractor who resolved complaints fairly and quickly is different from one with a pattern of unresolved issues.

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Mike Sullivan

Senior Editor, Siding Contractors USA

Mike has spent over 12 years in the home improvement industry, working with contractors and homeowners across the country. He writes data-driven guides to help homeowners make informed decisions about their exterior renovation projects. Every article is reviewed for accuracy by licensed contractors in our network.

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