Contractor License Lookup by State: Official U.S. Board & Registry Finder
Find the official contractor license lookup page for your state, check whether a contractor is licensed or registered, and understand when you must also verify city, county, trade, insurance, bond, permit or complaint records.
There is no single national “contractors state license board” for the entire USA. Each state handles contractor licensing differently. Some states have a statewide contractors board, some license only certain trades, and some leave general contractor licensing to local building departments.
Independent guide: ContractorsBoard.org is not a government website. License rules change, and contractor licensing is fragmented across state boards, professional licensing departments, trade boards, attorney general offices, labor departments and local building departments. Verify directly with the official authority before making a decision.
Quick answer: how do I find a contractor license by state?
Start by choosing the state where the work will be performed, not the state where the contractor says the business is located. Then open the official licensing authority for that state and search by license number, business name, owner name, registration number or trade category.
The hard part is that contractor licensing is not uniform. Some states have a clear statewide contractors board or contractor registry. Other states regulate only home improvement, residential building, roofing, electrical, plumbing, HVAC, asbestos, elevators, public works or other specialty work. In those states, general contractor licensing may be local.
For hiring decisions, do not stop at “license found.” Read the full record. Confirm active status, license type, classification, expiration date, business name, complaint or discipline notes, bond, workers’ compensation, general liability and permit responsibility where the official portal shows those details.
Choose your state and get the right next step
Use this quick picker when you want a direct path without scrolling through the full 50-state directory. The result explains whether your state is mainly statewide, trade-specific, local-first or mixed. Then use the official link in the state directory below for the actual lookup.
Your state result will appear here
Select a state to see the licensing route and whether you should also check local building departments, trade boards, business registration, insurance or complaint records.
How to check a contractor license before hiring
A contractor’s website, truck, business card, ad, social media profile or review page is not proof of licensing. A real license check means matching the official record to the exact business and the exact project. This protects homeowners from borrowed license numbers, expired registrations, wrong trade categories and contractors who are licensed for one scope but selling another.
| Step | What to do | Why it matters |
|---|---|---|
| 1. Ask for exact details | Get the license or registration number, legal business name, owner name, trade type and project address. | A partial name or nickname can lead to the wrong official record. |
| 2. Search the official portal | Use the state directory below and search the official licensing portal, not a paid lead site. | Official records are the source of truth for status and licensing category. |
| 3. Match business identity | Compare the record to the contract, estimate, invoice, payment name, website and permit application. | A real license number does not help if it belongs to a different business. |
| 4. Check scope and location | Confirm the license type covers the project and verify city/county rules where required. | Some states license trades, while cities or counties license general contractors. |
| 5. Save documentation | Save the search result, contract, messages, permits, insurance certificate and payment records. | Documentation helps if you need a complaint, bond claim, insurance claim or legal route later. |
US contractors board license check directory by state
This directory points to official state-level license lookup, registration or professional licensing resources. Some states have one clear contractors board. Others use several agencies or local licensing. Treat each card as a starting route, then confirm the project-specific rules with the official agency and local building department.
Alabama
Statewide boardStart with the Alabama Licensing Board for General Contractors roster. Residential home builder work may also require checking the separate home builders authority or local permit office.
Alaska
Mixed state + tradeAlaska contractor licensing routes through the Division of Corporations, Business and Professional Licensing, with additional trade and local requirements possible.
Arizona
Statewide boardUse the Arizona Registrar of Contractors search to verify ROC license status by license number or name and to review the contractor record before hiring.
Arkansas
Statewide boardUse the Arkansas Department of Labor and Licensing contractor search. Residential builder questions may require checking the appropriate Arkansas residential route as well.
California
Statewide boardUse CSLB License Check to verify a contractor license or Home Improvement Salesperson registration by license number, business name, contractor name or HIS registration.
Colorado
Local-firstColorado does not operate one simple statewide general contractor board. Use DORA for state-regulated professions and check the city or county building department where work occurs.
Connecticut
Mixed state + tradeUse Connecticut eLicense to search home improvement contractors, home improvement salespersons, major contractors, mechanical, plumbing, electrical and related registrations.
Delaware
State registryUse Delaware’s official construction contractor registry to verify businesses certified as construction contractors. Individual trade licensing may require separate professional licensing checks.
Florida
Statewide DBPRUse DBPR’s license search for Florida construction industry licenses. Search by name, license number, city or county, then check the full record and complaint history where available.
Georgia
State licensing boardUse Georgia Secretary of State GOALS license search for residential and commercial general contractor records and other professional licensing board records.
Hawaii
State boardHawaii’s DCCA Professional & Vocational Licensing division provides contractor board information and license verification tools for professionals and businesses.
Idaho
State registrationUse Idaho DOPL and the Contractors Board page to apply, renew or search for a contractor registration. Specialty trades may have additional licensing paths.
Illinois
Mixed state + localIllinois state lookup is important for state-regulated professions such as roofing contractors. Many construction contractor rules are local, so also check the city or county.
Indiana
Local-firstIndiana does not use one statewide general contractor board for every project. Use state verification for regulated professions and verify contractor registration with the city or county building department.
Iowa
State registrationUse Iowa’s contractor registration resources for contractor registration and renewal. Trade, permit and local rules can still apply depending on the work.
Kansas
Local-firstKansas contractor licensing is often local. Use Kansas professional license verification for regulated professions and confirm contractor licensing with the city or county where work occurs.
Kentucky
Mixed state + localUse Kentucky Department of Housing, Buildings and Construction for state trade license searches. General contractor requirements may be local.
Louisiana
Statewide boardUse the Louisiana State Licensing Board for Contractors search by contractor name, license number, city, parish, type of contractor or qualifying party.
Maine
Trade/local-firstMaine does not have one simple statewide general contractor board for all construction. Use state licensee search for regulated trades and confirm local contractor rules.
Maryland
Home improvement + tradesUse Maryland’s licensing queries and MHIC resources to verify home improvement contractors or salespersons and other state-regulated trade licenses.
Massachusetts
HIC + building tradesUse the HIC contractor search for home improvement contractor registration and OPSI/DOL verification for applicable construction and public safety licenses.
Michigan
State + tradeUse Michigan LARA license search for residential builders, maintenance and alteration contractors, and other regulated professional or business licenses.
Minnesota
Statewide lookupUse Minnesota DLI license and registration lookup to check contractor, remodeler, roofer, plumbing, bond, certification and enforcement-related records.
Mississippi
Statewide boardUse the Mississippi State Board of Contractors website for contractor search, applications, renewals, classifications, continuing education, forms and complaint information.
Missouri
Local-firstMissouri general contractor licensing is often local. Statewide electrical contractor licensing is handled by the Office of Statewide Electrical Contractors; verify city or county requirements too.
Montana
State registrationUse Montana contractor registration resources to check Construction Contractor Registration and related independent contractor status. Verify trade or local requirements when needed.
Nebraska
State registrationUse Nebraska Department of Labor contractor registration search. Registration does not replace checking local permits, trade licensing, insurance or project-specific requirements.
Nevada
Statewide boardUse Nevada State Contractors Board license search to verify license number, company name, principal or qualified individual before hiring.
New Hampshire
Trade/local-firstNew Hampshire does not use one broad general contractor board for every project. Use OPLC for regulated trades and check local building departments for project rules.
New Jersey
Registration + tradesUse New Jersey Division of Consumer Affairs verification for home improvement contractor registration and other state-regulated professional or business licenses.
New Mexico
Statewide CIDUse New Mexico Regulation and Licensing Department resources and the Construction Industries Division license verification path for contractor records.
New York
Local-firstNew York contractor licensing is often local, especially home improvement. Check local licensing in NYC, Buffalo and applicable counties, plus state Department of State search where relevant.
North Carolina
Statewide boardUse the North Carolina Licensing Board for General Contractors search to verify general contractor licenses and qualifiers before hiring or bidding.
North Dakota
State registrationUse the North Dakota Secretary of State contractor search to see whether a contractor is registered and in good standing, then verify insurance and local permit requirements.
Ohio
State trade + localUse Ohio eLicense and OCILB resources for state-licensed commercial trades such as electrical, HVAC, hydronics, plumbing and refrigeration. Local contractor registration may also apply.
Oklahoma
State trades + localUse Oklahoma Construction Industries Board for registered roofing contractors and building, home inspector, electrical, mechanical and plumbing license searches. General contractor rules may be local.
Oregon
Statewide CCBUse the Oregon Construction Contractors Board license search for contractors. Electrical and plumbing trade records may also require Oregon Building Codes Division checks.
Pennsylvania
Home improvement + localUse the Pennsylvania Attorney General home improvement contractor registration search. Many other construction licenses or permits may be local or trade-specific.
Rhode Island
State registration boardUse Rhode Island Contractors’ Registration and Licensing Board resources to search for general contractors and review registration or complaint options.
South Carolina
State boardsSouth Carolina uses separate routes for commercial/general and residential contractors. Check both LLR Contractor Licensing Board and Residential Builders Commission where needed.
South Dakota
Local/trade-firstSouth Dakota general contractor licensing is often local or tied to tax/trade requirements. Check occupational boards, the Department of Revenue and the city where work occurs.
Tennessee
Statewide boardUse Tennessee Board for Licensing Contractors resources to apply, renew, verify a license, verify a qualifying agent and review contractor board information.
Texas
Local + tradeTexas does not issue one statewide general contractor license for every GC. Use TDLR for state-regulated trades and verify general contractor registration with the local city or permitting authority.
Utah
Statewide DOPLUse Utah DOPL license lookup for contractor license verification, disciplinary checks, license applications, renewals and construction registry resources.
Vermont
Residential registry + tradesUse Vermont OPR residential contractor resources and Find a Professional for current or former licensee information. Trade and local rules may also apply.
Virginia
Statewide DPORUse Virginia DPOR License Lookup and Board for Contractors resources. Virginia contractor licenses include class and classification/specialty components.
Washington
Statewide L&IUse Washington L&I Verify to check active contractor registration, workers’ comp account, bond lawsuits, safety citations and related tradesperson records where available.
West Virginia
Statewide license searchUse the West Virginia Division of Labor database search for contractor licenses, HVAC technicians, plumbers, manufactured housing licensees and related records.
Wisconsin
State credentials + localUse Wisconsin DSPS LicensE lookup for dwelling contractor, trades and related credentials. Also confirm local permit and contractor registration requirements.
Wyoming
Local + electricalWyoming does not operate one statewide general contractor board for all construction. Use the State Fire Marshal for electrical licensing and verify local city or county contractor requirements.
Important: This directory points to state-level official resources. It does not prove that a contractor is approved for your exact city, county, permit type, trade, insurance requirement or project value. Always check the project location’s building department before signing or paying.
Why some states do not show one simple contractor license lookup
Some users search “contractors state license board license check” and expect every state to work like California CSLB or Nevada NSCB. That is the wrong assumption. In several states, general contractor licensing is handled by city or county building departments, while the state may only license certain trades such as electrical, plumbing, HVAC, roofing, asbestos, elevators, home improvement or residential work.
Statewide board states
These states usually provide a clearer statewide contractor lookup for general, residential, commercial or registered contractor records. You still need to check the license scope and local permit rules.
Examples: California, Arizona, Louisiana, Nevada, North Carolina, Oregon, Tennessee, Utah, Virginia, Washington, West Virginia.
Mixed states
These states may have state licensing for home improvement, residential builders, roofing, trades or registration, while some general contractor requirements remain local.
Examples: Georgia, Maryland, Massachusetts, Michigan, New Jersey, Ohio, Oklahoma, Pennsylvania, South Carolina, Wisconsin.
Local-first states
These states require extra caution because one state search may not answer the whole question. Always check the local permit office where work will happen.
Examples: Colorado, Indiana, Kansas, Maine, Missouri, New Hampshire, New York, South Dakota, Texas, Wyoming.
What to verify before hiring a contractor
The safest hiring process starts before the first payment. A contractor can have a good website, strong reviews and professional photos while still being unlicensed for your exact project, expired, out of classification, uninsured or not registered with the local building department.
Verify the official record
Ask for the exact license or registration number and search the official state or local portal yourself. Do not rely only on a screenshot, business card or verbal claim.
- Active license or registration status.
- Legal business name matches the contract and payment request.
- License type or classification matches the project.
- Expiration date is current.
- Bond, workers’ compensation or insurance information is current where applicable.
- Discipline, complaint or enforcement notes are reviewed where available.
Verify project and local compliance
Even if the state record looks good, local permits and trade rules may still apply. This is especially important for structural work, electrical, plumbing, HVAC, roofing, solar, gas, asbestos, lead, elevator or public projects.
- Ask who will pull the permit.
- Call the local building department if unclear.
- Get a written contract with scope, materials, timeline and payment schedule.
- Avoid large upfront cash payments.
- Save the license lookup result before work starts.
Where contractors should start before applying
Contractors should not assume that a license from one state, city or trade automatically works everywhere. Before bidding, advertising or accepting a project, identify the project location, trade scope, contract value, business entity, employee status, insurance requirement, bond requirement and permit requirements.
| Applicant question | Why it matters | Next step |
|---|---|---|
| What state and city is the project in? | Licensing is location-specific and local rules may apply even when a state credential exists. | Open the state directory and the city/county building department. |
| What trade or scope will you perform? | Electrical, plumbing, HVAC, roofing, solar and asbestos often have separate rules. | Check the trade board or state department that regulates that work. |
| Are you bidding above a licensing threshold? | Some states require a license only above certain project values or for certain categories. | Verify threshold rules directly with the official board. |
| Do you need bond, insurance or workers’ comp? | A license may be delayed, suspended or rejected if coverage is missing. | Confirm current requirements with the licensing authority and insurance provider. |
Where to file contractor complaints or report unlicensed work
Complaint routing depends on the contractor’s license type, project location and the kind of problem. A state contractors board may handle licensed contractor discipline, while an attorney general, consumer protection office, local building department, trade board, bond company, insurance carrier or court may handle other parts of the dispute.
Licensed contractor dispute
Start with the official board or department that issued the license. Save the contract, payments, photos, timeline, messages, permit records and license lookup result.
Unlicensed activity
Report through the state board if it regulates that work. If the state is local-first, contact the city or county building department and consumer protection office.
Money recovery
A complaint may not guarantee reimbursement. Depending on the facts, you may need a bond claim, insurance claim, small claims court, civil action or legal advice.
No legal advice: This page helps route users to official licensing resources. It does not decide liability, contract rights, lien rights, insurance coverage, bond recovery or court strategy.
Official sources and accuracy note
This directory uses official state, department, board, licensing, labor, attorney general, professional licensing and government portal links where available. However, state websites can move pages, change portals, update licensing thresholds, rename boards or alter complaint routes. Treat this page as a navigation guide, not the final legal authority.
If a link fails, search the state name plus “official contractor license lookup,” “official contractor board,” “professional license verification,” or contact the state consumer protection office and the local building department where the project is located.
Contractor state license board FAQ
Is there one national contractors board license check for the USA?
No. Contractor licensing is handled by states, trade boards, departments and local governments. Use the state directory first, then confirm city or county requirements for the project location.
Why can’t I find a general contractor license in my state?
Some states do not issue one statewide general contractor license. The contractor may need local registration, a trade license, a business registration, insurance, bonding or permits instead.
Should I search by business name or license number?
Use both when possible. A license number is usually more precise, but business-name searching helps catch mismatches between the contractor’s estimate, website, payment name and official record.
Does an active license mean the contractor is safe to hire?
No. An active license is only one part of due diligence. Also check scope, classification, complaint history, insurance, bond, permit responsibility, references, written contract and local requirements.
Do city and county contractor licenses matter?
Yes. In local-first states, a state search may not show the contractor credential you need. Always check the local building department where the work will happen.
What if a contractor says the homeowner should pull the permit?
Be careful. Permit responsibility depends on local rules and project type, but a contractor pushing the homeowner to pull permits can be a red flag. Call the local building department before agreeing.
Can a contractor use a license from another state?
Do not assume that an out-of-state license is valid. Some states have reciprocity or exam-waiver paths, but contractors must verify authority to work in the project state and local jurisdiction.
Where do I report an unlicensed contractor?
Start with the state contractors board or professional licensing department if that work is state-regulated. If the state is local-first, contact the local building department and state consumer protection office.
Is contractor registration the same as a contractor license?
Not always. Registration may confirm that a contractor is listed with the state, but it may not prove trade competency, bonding, insurance, classification or local permit authority. Read the official record carefully.
Should contractors use this page before applying?
Yes, as a starting map only. Contractors should use the state link to find the official application path, then confirm forms, fees, exams, experience, bond, insurance and local requirements directly with the authority.
Final recommendation
Use the state directory to find the official contractor license lookup route, then verify the exact project location and trade scope. The biggest mistake is assuming every state has one simple contractors board, or assuming a contractor is safe because a search result shows some kind of registration.
Before hiring, match the license record to the contract, payment name and project scope. Before applying, verify state and local rules. Before filing a complaint, save evidence and choose the correct state, trade, local or consumer-protection route.