Find the Official Contractor License Board for Any U.S. State
Use this 50-state directory to find the main official state contractor licensing route, verify a contractor, check license status, apply or renew, and understand when local city or county licensing may still apply.
The phrase “state contractors license board” is not simple because every state handles contractors differently. Some states have a statewide contractor board, some regulate only trades like electrical, plumbing, HVAC or roofing, and some leave general contractor licensing mostly to cities or counties. This guide keeps that distinction clear so you do not trust the wrong database.
Independent guide: ContractorsBoard.org is not a state agency. This page links to official government or official board resources where possible, but contractor licensing changes often. Always verify current license rules, fees, bonds, insurance, classification limits, local permits and complaint instructions directly with the responsible state or local agency.
Quick answer: what is a state contractors license board?
A state contractors license board is the official state-level agency, board or department that licenses, registers or regulates contractors. The exact agency name changes by state. California has CSLB, Arizona has the Registrar of Contractors, Oregon has the Construction Contractors Board, Nevada has the Nevada State Contractors Board, and many other states use professional licensing departments, labor departments, commerce departments or attorney general registration systems.
The dangerous assumption is thinking every state has the same type of statewide contractor board. That is false. Some states have a strong statewide contractor license system for general contractors. Other states regulate only specific trades such as electrical, plumbing, HVAC, roofing, home improvement, manufactured housing or asbestos. Some states require contractors to check city or county licensing before doing work.
The safest workflow is simple: choose the state where the work will happen, open the official state route below, search by business name or license number, verify the license type against the project scope, then check city or county permit rules before signing a contract.
State contractor board finder
Select a state to see the main official state route and the key warning for that state. This tool is a shortcut, not a final legal answer. If the work is electrical, plumbing, HVAC, roofing, public works, asbestos, manufactured housing, solar, home improvement or local-permit work, you may need an additional state, city or county check.
Choose your project state
Use the state where the project is located. A contractor licensed in one state is not automatically cleared to work in another state.
Your state route will appear here
Choose a state and this tool will show the main official contractor licensing or verification route to review first.
State contractors license board directory
This directory is designed for people who want the fastest route to an official contractor license search or licensing agency. It is not a claim that every state has one single “contractors board.” The table gives the main official route to start with, then tells you what to double-check before hiring or applying.
Use this table carefully: If the state note says “local check,” you should also check the city or county building department where the job will happen. Local licensing and permit rules can matter even when a state license search looks clean.
| State | Main official route | Best first use | Important local warning |
|---|---|---|---|
| Alabama State board route |
Alabama Licensing Board for General Contractors License Roster | General contractor license lookup and status checks. | Home building may involve the Alabama Home Builders Licensure Board; local permits still matter. |
| Alaska Professional licensing |
Alaska Professional License Search | Search construction contractor and professional license records. | Project location, specialty trade and municipal requirements should be checked separately. |
| Arizona Registrar of Contractors |
Arizona ROC Contractor Search | Verify an Arizona ROC license by name or license number. | Confirm license classification fits the project scope before hiring. |
| Arkansas State license search |
Arkansas Licensed Contractor Search | Verify licensed contractors through the state portal. | Residential, commercial and specialty work can have different licensing paths. |
| California CSLB |
CSLB License Check | Check contractor license or Home Improvement Salesperson registration. | Read the full CSLB record, including classification, bond, workers’ comp and disclosures. |
| Colorado Trade + local |
Colorado DORA Check a License | Check state-regulated trades such as electrical and plumbing. | General contractor licensing is commonly local; check the city or county building department. |
| Connecticut DCP eLicense |
Connecticut eLicense Lookup | Verify home improvement and other regulated contractor registrations. | Confirm whether your project is covered by a trade, home improvement or local permit rule. |
| Delaware Business + professional |
Delaware One Stop | Start with business licensing and then check professional/trade licensing if needed. | Construction businesses may need state business licensing plus local permit approvals. |
| Florida DBPR |
Florida DBPR License Search | Verify state-certified or registered construction and trade licenses. | County or municipal registration and permits may still apply. |
| Georgia SOS licensing |
Georgia License Verification | Verify residential and commercial general contractor licenses. | Check local permit office before work starts. |
| Hawaii PVL |
Hawaii PVL License Search | Search Hawaii professional and vocational license records. | Confirm classification and island/county permit requirements. |
| Idaho DOPL |
Idaho Contractor Registration | Review Idaho contractor registration and online services. | Trade licensing and local building permits may be separate. |
| Illinois Trade + local |
Illinois IDFPR License Lookup | Check state-regulated trades, including roofing and professional licenses. | General contractor licensing is often local; check the city or county. |
| Indiana PLA + local |
Indiana License Verification | Verify state professional or trade licenses where applicable. | General contractor rules are commonly local; confirm city or county requirements. |
| Iowa Contractor registration |
Iowa Contractor Registration | Check Iowa contractor registration and related construction licensing routes. | Electrical, plumbing, mechanical and local requirements may require separate checks. |
| Kansas Roofer + local |
Kansas Roofer Registration | Check state roofer registration when roofing work is involved. | General contractor licensing is often city or county based. |
| Kentucky Trade + local |
Kentucky HBC License Search and Verification | Search state-regulated building, electrical, HVAC, plumbing and fire licenses. | Most general contractor licensing can be local; check the project jurisdiction. |
| Louisiana State board |
Louisiana Contractor Search | Verify licenses through the Louisiana State Licensing Board for Contractors. | Check license type and project value rules directly with LSLBC. |
| Maine Trade + local |
Maine License Search | Check state-regulated professional and trade licenses. | General contractor requirements may be local or trade-specific. |
| Maryland MHIC + trades |
Maryland Home Improvement Commission | Check home improvement contractor licensing and related license routes. | Electrical, plumbing and HVACR have separate boards; local permits still matter. |
| Massachusetts CSL + HIC |
Massachusetts Construction Supervisor Licensing | Review Construction Supervisor License and related verification resources. | Home Improvement Contractor registration may be separate from a construction supervisor license. |
| Michigan LARA |
Michigan Residential Builders Licensing | Review residential builder and maintenance/alteration contractor licensing. | Verify exact license type and local permit rules before work starts. |
| Minnesota DLI lookup |
Minnesota DLI License Lookup | Verify residential building, remodeler, roofer and other DLI licenses. | Always compare license type with the work scope. |
| Mississippi State board |
Mississippi State Board of Contractors | Verify commercial and residential contractor licensing through MSBOC resources. | Check project amount, license classification and local permit requirements. |
| Missouri Trade + local |
Missouri MOPRO License Search | Verify state-regulated professional and trade licenses where applicable. | General contractor licensing is commonly local; check city or county rules. |
| Montana Contractor registration |
Montana Construction Contractor Registration | Check construction contractor registration and worker-related requirements. | Trade licenses and local permits can still apply. |
| Nebraska Contractor registration |
Nebraska Contractor Registration Search | Search contractor registrations through Nebraska Department of Labor. | Registration is not always the same as trade licensing or local permit approval. |
| Nevada State board |
Nevada Contractor License Search | Verify Nevada contractor licenses by company, license or principal. | Check classification and license limit before hiring. |
| New Hampshire OPLC + local |
New Hampshire OPLC License Lookup | Verify state-regulated licenses, especially trade and professional categories. | General contractor requirements may be local; check the town or city. |
| New Jersey Consumer Affairs |
New Jersey License Verification | Verify home improvement contractor and professional licensing records. | Check whether home elevation, electrical, plumbing or other trade rules also apply. |
| New Mexico CID / RLD |
New Mexico RLD Public Search | Verify contractor and construction-related license records. | Confirm classification and qualifying party details before relying on a license. |
| New York Mostly local |
New York Department of State Licensing Services | Start with state licensing services for regulated categories. | Home improvement and general contractor licensing is often local, such as city or county licensing. |
| North Carolina State board |
North Carolina General Contractor License Search | Verify general contractor licenses through NCLBGC. | Check project value, limitation, classification and local permit rules. |
| North Dakota Secretary of State |
North Dakota Contractor Search | Search contractors registered with the North Dakota Secretary of State. | Check class, good standing, trade requirements and local permits. |
| Ohio OCILB / eLicense |
Ohio eLicense Verification | Verify state-regulated construction industry and trade licenses. | General contractor registration can be local; check the project city. |
| Oklahoma CIB + local |
Oklahoma CIB Are They Licensed? | Verify roofing, building/home inspector, electrical, mechanical and plumbing records. | Many general contractor rules are local; verify city or county requirements. |
| Oregon CCB |
Oregon CCB License Search | Search Oregon Construction Contractors Board license records. | Check license status, endorsement, insurance, bond and complaint history. |
| Pennsylvania HIC registration |
Pennsylvania Home Improvement Contractor Search | Verify home improvement contractor registration. | Registration is not the same as every trade license; check local and specialty requirements. |
| Rhode Island CRLB |
Rhode Island Contractor Search | Verify contractor registration and licensing records. | Confirm license category and municipal permit requirements. |
| South Carolina LLR |
South Carolina Contractors Lookup | Search general and mechanical contractor licenses. | Residential builder and specialty categories may use separate LLR searches. |
| South Dakota Trade + local |
South Dakota Occupational Licensing Agencies | Find state boards for regulated trades such as electrical and plumbing. | General contractor licensing is commonly local; verify city or county rules. |
| Tennessee State board |
Tennessee License Verification | Verify contractor and trade license records through Tennessee verification. | Check monetary limits, classification and local permit requirements. |
| Texas Trade + local |
Texas TDLR License Search | Verify TDLR-regulated trades such as electrical and air conditioning/refrigeration. | Texas does not use one statewide general contractor board; cities often matter. |
| Utah DOPL |
Utah License Lookup and Verification | Verify contractor and trade licenses through Utah DOPL lookup. | Check classification, qualifier and local permit requirements. |
| Vermont Residential + trades |
Vermont Find a Professional | Search OPR-regulated professionals and residential contractor records. | General and trade requirements can differ; verify town and trade rules. |
| Virginia DPOR |
Virginia DPOR License Lookup | Verify contractor and tradesman licenses through DPOR. | Check class, specialty, responsible management and local permit requirements. |
| Washington L&I |
Washington Verify a Contractor, Tradesperson or Business | Verify contractor registration, workers’ comp and related L&I records. | Check bond, insurance, lawsuits against bond and local permits. |
| West Virginia Division of Labor |
West Virginia Database Search | Search contractor license, HVAC, plumber and related state records. | Check classification and local permit rules before work starts. |
| Wisconsin DSPS |
Wisconsin DSPS License Search | Verify dwelling contractor and regulated trade credentials. | Check whether the business, qualifier and local permit requirements match the project. |
| Wyoming Trade + local |
Wyoming Electrical Safety Licensing | Start with state electrical licensing and then confirm local contractor rules. | General contractor licensing is commonly local; check the city or county where work occurs. |
How to verify a contractor before hiring
A contractor can look professional and still be wrong for the job. A clean website, good photos, a truck logo or a referral does not prove that the contractor has the correct license for your state, trade, classification, project value or local jurisdiction. Verification should happen before you sign, pay a deposit or allow work to begin.
Start with the official state route above, then check the local building department if the state does not regulate your exact work type. Save proof of the license search, the contractor’s legal business name, the license number, classification, expiration date, insurance or bond information when shown, and any disciplinary or complaint disclosures.
Contractor record checks
The official lookup page should support a practical decision, not just a yes-or-no answer. Read the full record and compare it with the contract, estimate and payment name.
- Search by license number and business name when possible.
- Match the legal business name to the contract and invoice.
- Check expiration date, status and license category.
- Confirm classification or trade matches the work.
- Review bond, insurance, workers’ compensation or complaint information when shown.
Red flags before payment
A red flag does not always prove fraud, but it is a reason to slow down. Contractors who pressure you to skip verification are asking you to take the risk, not them.
- No license number when state or local rules require one.
- Business name on license does not match the payment request.
- License classification does not fit the project.
- Cash-only pressure or unusually large upfront deposit.
- No written contract, permit discussion or change-order process.
How to apply for a contractor license by state
There is no single U.S. contractor license application. Every state sets its own licensing, registration, exam, bond, insurance, experience, qualifier, entity and renewal rules. Some states use statewide general contractor boards. Others require separate trade licenses, home improvement registrations or local contractor licenses.
Before applying, identify the exact work you want to perform, the state where you will work, the project value range, the business entity, the qualifying person and the local jurisdictions where you will pull permits. Applying under the wrong category can waste money and delay your ability to bid or work legally.
| Applicant step | What to confirm | Why it matters |
|---|---|---|
| Choose state and local jurisdiction | State board, city, county and permit office requirements. | A state license may not replace local registration or permits. |
| Choose license category | General, residential, commercial, specialty or trade classification. | Wrong classification can block permits or create enforcement risk. |
| Confirm qualifier rules | Experience, exams, responsible managing employee/officer or qualifying party. | Many boards license the business through a qualifying person. |
| Prepare financial documents | Bond, insurance, workers’ compensation, net worth or financial statement rules. | Applications are often delayed by missing insurance or bond documentation. |
| Plan renewal calendar | Renewal date, continuing education, bond updates and address changes. | Expired licenses can stop work, bidding or permit approval. |
How to report an unlicensed contractor or license problem
Complaint routes vary by state. Some boards handle licensed contractor complaints, unlicensed activity, advertising violations, bond claims or disciplinary complaints. Other states route home improvement fraud, consumer protection or local licensing complaints through the attorney general, consumer affairs office or city building department.
Before filing, collect your documentation. You should have the contract, estimate, change orders, payment proof, photos, permits, messages, business card, license number, business name, job-site address and a timeline of what happened. A complaint process may help with enforcement, but it does not always guarantee a refund, repair completion or private legal recovery.
Licensed contractor dispute
Start with the state board or agency that issued the license. Use the license number, business name and project address to find the correct complaint form or consumer complaint route.
Unlicensed activity
If a contractor is working without a required license, report through the state board, consumer protection office or local building department listed by your state.
Permit or code issue
If the problem involves unsafe work, missing permits or inspections, the city or county building department may be the fastest route to stop or inspect the work.
Frequently asked questions
These questions cover the most common confusion around state contractor license boards, contractor license lookup, local licensing, national licenses, trade licenses, applications, renewals and complaints.
Is there one national contractor license board for all states?
No. Contractor licensing is handled by state, trade and local agencies. There is no single national contractor license that lets a contractor work everywhere in the United States.
Does every state have a state contractors license board?
No. Some states have a dedicated contractor board, while others use labor, commerce, consumer affairs, attorney general, professional licensing or local building departments.
Where should I check a contractor license first?
Start with the state where the work will happen. Use the official state route in the directory, then check the city or county building department if local licensing or permits apply.
Is a business license the same as a contractor license?
No. A business license may only show that the business is registered to operate. A contractor license or trade license is a separate authorization tied to construction work, classification or trade scope.
Can a contractor licensed in one state work in another state?
Not automatically. Some states have reciprocity or exam waiver pathways, but the contractor usually still needs to apply, register or meet the receiving state’s requirements.
What should I verify before hiring a contractor?
Verify license status, business name, classification, expiration date, bond or insurance details when available, complaint history when shown, local permit requirements and whether the license fits your exact project.
What if my state says general contractors are licensed locally?
Contact the city or county building department where the project is located. Local licenses, supervisor certificates, registrations and permits may be required before work can begin.
Can I report an unlicensed contractor?
Usually yes, but the route depends on the state and type of work. Some states use a contractor board, some use consumer protection, and some require a city or county complaint.
Does license verification guarantee good work?
No. License verification is a minimum safety step. You should still review the written contract, permits, insurance, references, payment schedule and change-order process.
Should I rely on this directory instead of the official state agency?
No. This directory helps you find the right official route. Final decisions about license status, application rules, renewals, fees, complaints and enforcement must come from the official state or local agency.
Official-source and update note
This directory links to official state agencies, license searches or government licensing routes where possible. Some states do not have one central contractor board, so the directory uses the most practical official starting point and clearly flags when local licensing or trade-specific checks are likely.
Contractor licensing pages, fees, thresholds, bonds, insurance requirements, classifications and complaint routes can change. Before hiring, applying, renewing or filing a complaint, verify directly with the responsible state agency and the local building department for the project address.
Last reviewed for official-source alignment: June 1, 2026. No fake fees, phone numbers, ratings or government affiliation are claimed on this page.
Final recommendation
Do not hire a contractor only because they show a business card, website, ad, social media page or referral. Search the official license route for the state where the project will happen, confirm the exact license type, then check city or county permit requirements before signing or paying.
If you are applying for a contractor license, do not assume your state works like another state. Use the directory above to start with the correct official agency, then verify classification, exams, experience, bond, insurance, workers’ compensation, renewal and local-registration rules directly with that agency.