Construction Contractors Board 2026: State License Lookup

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50 states + Washington, D.C. · contractor authority and license routes

Find the Authority Before You Trust the License

The United States does not have one national construction contractors board. The correct authority may be a state board, registrar, labor agency, consumer-registration program, professional licensing division, city or county.

Start with the project address, then verify the legal business, credential type, classification, monetary limit, responsible person, bond or insurance information, trade licenses and permits.

Find My State Route Verify a Contractor Browse All Jurisdictions
Independent guide: This website is not a contractor board, NASCLA, government agency or contractor referral service. Final authority always comes from the official state, trade or local source responsible for the project location.

Construction Contractors Board: Fast Answer

“Construction Contractors Board” is a generic search phrase. Oregon uses that exact agency name, while other jurisdictions use titles such as Contractors State License Board, Registrar of Contractors, Board for Contractors, Department of Labor or Home Improvement Contractor Registration.

National contractor licenseNone
Directory coverage50 states + D.C.
NASCLA credentialExam, not license
Permit authorityUsually local
Jurisdiction first

How Contractor Regulation Is Divided

The contractor’s office address does not necessarily identify the right licensing authority. The physical project location, work type and contract structure control the search route.

State license board

May test experience and business-law knowledge, approve classifications and regulate discipline.

State registration program

May focus on business identity, bonding, insurance, workers’ compensation or consumer disclosures.

Trade licensing board

May separately regulate electricians, plumbers, HVAC contractors, roofers, fire systems or other specialists.

Local permit authority

Usually controls building permits, inspections, zoning and local contractor registration.

Do not confuse these records: a Secretary of State filing, business tax license, insurance certificate or permit is not automatically proof of the required contractor credential.

Construction is commonly regulated at both state and local levels. Begin with the project state, then confirm the city, county, parish, borough or township responsible for the address.

Official SBA License and Permit Guidance Find Official State and Local Government Sites

National Contractor Licensing Directory Reference

NASCLA is an association of state contractor licensing agencies. Its directory and examinations can help users compare licensing systems, but NASCLA does not issue a nationwide contractor license.

NASCLA Contractor State Licensing Information Directory covering contractor requirements across all 50 states
NASCLA Contractor State Licensing Information Directory NASCLA provides a nationwide licensing reference covering all 50 states, Guam and the U.S. Virgin Islands. Users must still verify and apply through the responsible state or local authority.

NASCLA can help with

  • State licensing information references.
  • Accredited commercial and electrical examinations.
  • Participating-agency information.
  • Exam transcript transmission.
  • Business-law and exam-reference publications.

NASCLA does not replace

  • A state or local license application.
  • Business-entity registration.
  • State fees, financial review or background checks.
  • Required bonds and insurance.
  • Local contractor registration or project permits.
Open Official NASCLA Resources Check Participating Commercial Exam Agencies

Tool 1: State Contractor Authority Finder

Select the state where the project will physically occur. The result opens the corresponding official authority or best official starting point listed in the directory.

Choose the state where the work will occur.

Choose the Record That Answers Your Question

Searching the wrong database can produce a false sense of security. Each record proves something different.

Record What it may prove What it does not automatically prove
Contractor license Authority for the listed classification, level, monetary limit or scope. Every employee or subcontractor holds required trade credentials.
Contractor registration The business completed the state registration, bond, insurance or workers’ compensation process. The state tested technical competency.
Trade credential Authority for electrical, plumbing, HVAC, roofing or another regulated specialty. Authority to act as the general building contractor.
Business-entity filing The LLC, corporation or partnership exists and is in recorded standing. Construction authority, competency, bond or insurance.
Business license Permission to conduct business in a city or county. A professional or occupational contractor license.
Building permit Project-specific approval and an inspection route. Every required contractor credential remains active.
SAM or vendor registration Government vendor or federal-contracting registration. State contractor licensing or local permit authority.
Before signing, permitting or paying

Verify a Contractor in Six Steps

A license number printed on a proposal is only a lead. The live record must match the company, contract, scope, project value and responsible people.

Collect the exact identity

Request the legal business name, DBA, credential number, business address, qualifier or responsible person and every subcontractor expected to perform regulated work.

Use the live official database

Search the government or official licensing-board source. Do not rely only on a badge, wallet-card image, private directory, social profile or contractor-supplied screenshot.

Match the legal entity

Compare the record with the proposal, contract, invoice, permit application and requested payment recipient. Similar names are not enough.

Match classification and project capacity

Confirm that the license covers the construction type and any state monetary limitation is high enough for the entire undertaking, including approved additions.

Review status and financial protection

Check expiration, suspension, qualifier status, public discipline, bond, liability insurance and workers’ compensation details where the system provides them.

Verify trades and permits separately

Search electrical, plumbing, HVAC, roofing and other regulated trades, then ask the local building department who must obtain permits and request inspections.

Stop and clarify: the record is missing, the legal name differs, the scope exceeds the classification, the license is inactive, the qualifier has left, permits are discouraged or payment is requested to an unrelated person.

How to Read a Contractor Lookup Result

“Active” is not the end of the review. Each displayed field can affect the hiring, bidding or permit decision.

Field What to verify Warning sign
Status and expiration Active on the bid, contract, permit and expected work dates. Expired, suspended, revoked, inactive or restricted status.
Legal name and DBA Matches all project and payment documents. The contractor asks to use another company or personal payment account.
Qualifier or responsible person The person remains properly associated with the licensed entity. Disassociated, missing or connected with another entity only.
Classification Covers the complete written scope. A narrow specialty is being used for unrelated construction.
Monetary limitation Covers the complete project value under that state’s calculation rules. The proposal is split or underreported to fit a lower level.
Bond and insurance Correct entity, number, amount and effective period. Cancelled, expired or issued to another business.
Workers’ compensation Coverage or valid exemption consistent with the workforce. The company claims no employees while using a regular work crew.
Discipline, claims or complaints Open available orders, findings, claims and outcomes. A public action is concealed or misrepresented.

Save the official page URL, verification date and a PDF or screenshot in the project file. Recheck shortly before work begins and before releasing a large payment.

Tool 2: Contractor Verification Triage

Complete this only after checking the current official record. The tool does not approve a contractor or replace legal, licensing or permit advice.

Complete every field using current official information.

No License Record Found? Use This Search Order

A missing result may indicate unlicensed work, but it can also result from a trade name, punctuation, entity change, wrong authority or local-only licensing.

Try identity variations

  • Enter the credential number without spaces or punctuation.
  • Search the legal name and DBA separately.
  • Search the qualifier, owner or responsible individual.
  • Check a former, parent or newly formed entity.
  • Use fewer search fields when the portal returns no result.

Check another authority

  • Ask whether general contractors are licensed locally.
  • Search the separate electrical, plumbing or trade board.
  • Confirm whether the state uses registration rather than licensing.
  • Call the official authority before accepting a verbal explanation.
  • Delay major payments until the identity is resolved.
Agency call script “I am checking business ______, credential number ______, for work at ______. I cannot locate the record. Can you confirm the correct database, legal name, classification and current status?”
Official consumer-guide lessons

Build a Safer Hiring File Before Choosing a Bid

Official contractor-board guides repeatedly recommend comparing equivalent bids, confirming identity and permits, checking coverage, controlling payments and keeping a complete job file.

Before selecting

  • Define the scope and expected materials first.
  • Obtain multiple bids based on the same scope.
  • Verify the live credential and photo identity where available.
  • Check recent comparable references.
  • Identify subcontractors and suppliers.

Before signing

  • Confirm who obtains every permit.
  • Request current liability and workers’ compensation evidence.
  • Review the complete contract and attachments.
  • Do not sign blank forms.
  • Keep a signed copy before work begins.

During construction

  • Tie payments to completed milestones.
  • Do not let payments get ahead of work.
  • Put every change in writing.
  • Save photographs, inspections and communications.
  • Collect warranties, releases and closeout records.
State-specific rule: deposit limits, cancellation periods, mandatory notices and lien protections vary. A percentage or deadline from one state must not be copied into another state’s contract.
CSLB Before Hiring a Contractor PDF Oregon Selecting and Working With a Contractor PDF

Contract, Payment and Lien Safeguards

A strong contract does more than state a price. It identifies the parties, scope, payment conditions, permits, notices, changes and dispute procedures.

Contract item Micro-level detail to include Risk reduced
Legal identities Owner, licensed entity, DBA, address, phone and credential number. Contracting with the wrong business.
Scope and specifications Quantities, brands, model numbers, grades, colors, drawings and exclusions. Substitutions and scope disputes.
Price and allowances Fixed price or calculation method, taxes, allowances and markup rules. Unexpected cost increases.
Payment schedule Amounts tied to measurable completed work rather than calendar dates alone. Overpayment before performance.
Permits and inspections Who applies, pays, corrects failed work and schedules reinspection. Unpermitted work and unclear responsibility.
Change orders Written scope, price and time change signed before added work. Verbal-change disputes.
Lien protection Required notices, conditional releases, final releases and supplier confirmation. Paying the prime contractor while subs remain unpaid.
Completion and closeout Punch list, final inspection, warranties, manuals, cleanup and final documents. Ambiguous completion and withheld records.

Some states require specific consumer notices

Oregon’s official home-improvement contract guide, for example, explains three residential notices concerning consumer protection, dispute procedures and construction liens. Other states use different notices, contract wording and delivery thresholds.

Practical move: ask the licensing authority whether the contract must include or attach cancellation language, lien notices, license disclosures, recovery-fund language or arbitration information.
Oregon Home Improvement Contract Guide

Owner-Builder Permits Can Transfer Major Responsibility

An owner-builder permit is not merely a way to save a fee. Depending on state law, the property owner may become responsible for permits, inspections, worker status, safety, taxes, insurance, correction work and unpaid-subcontractor liens.

Questions before using the exemption

  • Do I personally qualify under the state statute?
  • Must I occupy or retain the property?
  • May I hire workers or subcontractors?
  • Who becomes the employer for tax and insurance purposes?
  • Who schedules inspections and corrects failed work?

Common misuse warning

  • An unlicensed contractor asks the owner to pull the permit.
  • The contractor controls the project while the owner signs official forms.
  • The owner does not understand employer or insurance duties.
  • The exemption is used for property intended for sale or rental.
  • The contractor says licensing rules do not apply because the owner obtained the permit.
Call the permit office first: explain who will supervise, hire trades, purchase materials and control the schedule. Ask the office to confirm the owner-builder responsibilities in writing or direct you to the official affidavit.
CSLB Owner-Builder Responsibilities PDF
Applicants and expanding contractors

Prepare the Application Route Before Buying Services

The legal entity, classification and requested level should be confirmed before paying for an examination, financial statement, bond, insurance policy or fingerprint service.

Possible requirement Purpose Frequent application error
Exact applicant entity Connects the license to the individual, LLC, corporation or partnership that will contract. Application, bond, insurance and Secretary of State records use different names.
Qualifying individual Provides the experience or examination support required for the business. The qualifier lacks the required ownership, employment or management relationship.
Experience verification Documents journey-level, supervisory, managerial or project experience. Descriptions are vague or do not match the requested classification.
Technical and business exams Tests construction knowledge, law and business practices. The applicant takes an exam the licensing authority does not accept.
Financial evidence Supports responsibility or a monetary license level. The statement uses the wrong entity or accounting standard.
Bond Provides statutory license or registration protection. Wrong amount, obligee, form or legal business name.
Insurance and workers’ compensation Satisfies coverage and employee-compliance requirements. Certificate is expired or issued to another entity.
Background check or fingerprints Supports identity and character review where required. Applicant uses an unapproved provider or misses the submission window.
Local registration May be needed for bidding, business activity or permit applications. Contractor assumes the state credential replaces local requirements.
Application sequence: confirm entity → choose classification → identify qualifier → obtain the official application instructions → complete exams and financial requirements → wait for active status → complete local registrations.

NASCLA Exam Acceptance Is Not License Reciprocity

Contractors often use “reciprocity” to describe several different arrangements. The destination authority’s wording controls.

Arrangement Possible benefit What usually remains
NASCLA exam acceptance Accepted technical exam score for participating classifications. Application, fees, entity review, business exam, experience and financial requirements.
Exam waiver agreement Waiver of one comparable technical examination. Destination-state application and other requirements.
Reciprocal recognition Streamlined evidence or reduced testing. Approval before contracting and often a state-specific law exam.
Endorsement or comity Review based partly on an existing credential. Proof of substantially equivalent qualifications.
Local recognition A city may recognize another jurisdiction’s exam or license. Local application, insurance, bond and permit registration.
Never bid first and apply later: an existing home-state license or NASCLA exam score does not itself authorize construction in the destination jurisdiction.
Check NASCLA Participating Agencies Review NASCLA Transcript FAQs

Renewal, Reinstatement and Business Changes

Paying a renewal fee may not solve a suspension, qualifier departure, entity change or cancelled bond. Identify the correct transaction before submitting.

Situation Likely route Do not assume
Active and approaching expiration Complete CE, coverage, financial and renewal requirements early. Payment alone satisfies every condition.
Recently expired Check late renewal or reinstatement rules. A grace period allows new bids or contracts.
Suspended Correct the bond, insurance, judgment, tax, workers’ compensation or disciplinary cause. Ordinary renewal removes the suspension.
Qualifier leaves Notify the board and meet replacement deadlines. The company may indefinitely use the former qualifier.
Name or ownership change Ask whether an amendment, reorganization or new application is required. A license transfers automatically to a purchaser or new LLC.
Entering another state Review exam acceptance, foreign-entity standing and local registration. The home-state license authorizes interstate work.
Board question “Credential number ______ has the following change: ______. Does this require renewal, reinstatement, an amendment, qualifier replacement or a new application, and may the company continue bidding or working while it is processed?”

Public Works Need More Than a Contractor License

An active contractor credential does not automatically establish eligibility for federal, state or local government work.

Separate check What it controls Where to verify
Contractor license Construction classification and legal authority. State or local licensing authority.
Vendor registration Ability to receive government solicitations and awards. Purchasing or procurement portal.
Prequalification Financial, safety, experience and project-size eligibility. Project owner or transportation agency.
Prevailing wage Wage classifications, payroll and apprenticeship duties. Labor agency and solicitation documents.
Contract bonds Bid security, payment protection and project performance. Project specifications and surety requirements.
Debarment and exclusions Eligibility for government awards. SAM.gov and applicable state or local systems.
Federal distinction: SAM.gov registration does not replace a state contractor license, trade credential, local registration or project permit.
Open Official SAM.gov Read the SBA Federal Contracting Guide

Verify Contractors Carefully After Storms and Disasters

Disaster areas attract legitimate contractors and opportunistic operators. Urgency should increase verification—not eliminate it.

High-risk behavior

  • Unsolicited door-to-door offer.
  • Pressure to begin immediately.
  • No detailed written estimate or contract.
  • Large upfront payment demand.
  • Out-of-state vehicle with no verified local authority.
  • Request to sign over an insurance check.
  • Claim that licensing or permits are suspended after the disaster.

Safer response

  • Verify the credential with the official authority.
  • Confirm references and insurance independently.
  • Obtain comparable written bids when conditions allow.
  • Use a detailed contract and milestone payments.
  • Coordinate repairs with the insurer.
  • Keep photos, estimates, permits and payment records.
  • Report suspected fraud promptly.
FTC Home Improvement Scam Guidance FEMA Disaster Fraud Guidance Oregon Disaster Scam Prevention PDF
Send each issue to the correct authority

Complaint, Permit, Bond and Court Routes

One dispute can involve several systems. A board complaint may address licensing conduct without ordering payment, repairs or damages.

Problem Starting route Evidence to preserve
Unlicensed activity or false license number State contractor authority or local licensing office. Advertisement, proposal, number claimed, address, messages and payments.
Permit or code violation Local building department. Permit record, plans, inspection reports, photos and correction notices.
Electrical, plumbing or HVAC violation Trade licensing board and inspection authority. Trade company, worker name, credential and inspection findings.
Defective or unfinished work Written demand, licensing complaint, mediation, arbitration or court advice. Contract, changes, payments, photographs, inspections and repair estimates.
Bond or insurance claim Surety, insurer and any required board or court process. Bond or policy details, loss evidence, notices and filing dates.
Lien or payment dispute Prompt legal review and applicable notice, release or court procedure. Invoices, releases, preliminary notices, payment proof and recorded documents.
Public-work violation Project owner, procurement office or labor-compliance agency. Solicitation, bid, payroll, subcontracts and project correspondence.

Create the evidence file before disputed work changes

  • Advertisement, proposal and signed contract.
  • Every written change order.
  • Permit, inspection and correction records.
  • Invoices, receipts and payment proof.
  • Dated photographs and videos.
  • Written correction demands and responses.
  • Independent inspection reports and repair estimates.
  • Official license search and verification date.
Deadline warning: a licensing complaint may not pause bond, lien, insurance, arbitration, warranty or court deadlines.
51 official starting points

Contractor Licensing Directory by State

Use this as a starting route—not a substitute for project-specific verification. In local-first and split systems, contact the city or county building department and the relevant trade board after checking the listed state source.

Showing all 51 jurisdictions.
Jurisdiction Model Official starting authority Important second check
Alabama Split boards Licensing Board for General Contractors Residential home builders use a separate board; verify project thresholds and trades.
Alaska State licensing Construction Contractors Program Residential endorsements, specialty trades and local permits may apply.
Arizona State registrar Arizona Registrar of Contractors Match residential, commercial or dual classification and qualifying party.
Arkansas State board Arkansas Contractors Licensing Board Commercial, residential and home-improvement routes differ.
California State board CSLB License Check Review qualifier, classification, bond, workers’ compensation and disclosures.
Colorado Local + trades Colorado Division of Professions and Occupations General contractor licensing is commonly local; identify the city or county first.
Connecticut Registration Department of Consumer Protection New-home contractors, trades and local permits use additional routes.
Delaware Registration Delaware Contractor Registry Verify professional trades, business licensing and local permits.
Washington, D.C. District license Department of Licensing and Consumer Protection General contractor/construction manager, home improvement and trade licenses differ.
Florida State board Construction Industry Licensing Board Distinguish certified statewide licenses from registered local licenses.
Georgia State board Residential and General Contractors Board Match residential basic, light commercial, general or limited-tier authority.
Hawaii State board Contractors License Board Verify classification and responsible managing employee.
Idaho Registration Idaho Contractor Registration Electrical, plumbing, public works and local requirements are separate.
Illinois Local + specialties Illinois Roofing Licensing General contractor licensing is commonly local; plumbing and other trades differ.
Indiana Local + trades Indiana Plumbing Licensing Contact the project city or county for general contractor requirements.
Iowa Registration Iowa Contractor Registration Verify plumbing, mechanical, electrical and local permit requirements.
Kansas Local-first Kansas Business One Stop Contact the city or county for contractor licensing, testing and permits.
Kentucky Local + trades Housing, Buildings and Construction General contractor licensing can be local; state trade programs remain relevant.
Louisiana State board Louisiana State Licensing Board for Contractors Confirm commercial, residential, home-improvement and specialty classifications.
Maine No broad GC license Maine Attorney General Guidance Written-contract law, local codes and licensed plumbing/electrical work remain important.
Maryland Home improvement Maryland Home Improvement Commission New construction, trades and local permits can use different routes.
Massachusetts Split system Office of Public Safety and Inspections Determine whether CSL, Home Improvement Contractor registration or both apply.
Michigan Residential license Michigan Residential Builders Match Residential Builder or Maintenance and Alteration crafts.
Minnesota Residential license Minnesota Residential Contractors Builder, remodeler, roofer and trade licenses differ.
Mississippi State board Mississippi State Board of Contractors Commercial, residential and roofing requirements differ.
Missouri Local + trades Missouri Professional Registration General contractor licensing is commonly municipal or county-based.
Montana Registration Montana Contractor Registration Registration focuses strongly on workers’ compensation compliance.
Nebraska Registration Nebraska Contractor Registration Verify local permits and separately regulated trades.
Nevada State board Nevada Contractor License Search Review classification, monetary limit and qualified individual.
New Hampshire Local + trades Office of Professional Licensure and Certification No broad statewide GC license; check municipal and trade requirements.
New Jersey HIC registration Home Improvement Contractors New-home builders, elevation contractors and trades have separate requirements.
New Mexico State license Construction Industries Division Verify classification, qualifying party and local permit authority.
New York Local-first New York Home Improvement Guidance Several cities and counties license home-improvement contractors separately.
North Carolina State board NCLBGC License Search Review the project threshold, classification, limitation and qualifier.
North Dakota State license North Dakota Contractors Verify license class, business standing and project permits.
Ohio Trades + local Ohio Construction Industry Licensing Board OCILB licenses selected commercial trades; general contracting is often local.
Oklahoma Trades + local Construction Industries Board Verify roofing and regulated trades, then local GC requirements.
Oregon CCB license Oregon Construction Contractors Board Review endorsement, bond, insurance, lead licensing and claims.
Pennsylvania HIC registration Home Improvement Contractor Search Registration is not an endorsement; local and trade requirements remain.
Rhode Island Registration + licenses Contractors’ Registration and Licensing Board Commercial roofing, inspections and specialty credentials can differ.
South Carolina Split boards Contractor’s Licensing Board Commercial and residential contractor licensing use different boards.
South Dakota Local + trades South Dakota Plumbing Commission General contractor licensing is commonly local; verify electrical and plumbing separately.
Tennessee State board Board for Licensing Contractors Review classification, monetary limit and home-improvement or trade requirements.
Texas Local-first Texas Department of Licensing and Regulation No broad statewide GC license; verify city rules and regulated trades.
Utah State license Utah Contractor Licensing Verify classification, qualifier, financial responsibility and local permits.
Vermont Residential registration Vermont Residential Contractors Verify professional trades and local zoning or building requirements.
Virginia State board Virginia Board for Contractors Match Class A, B or C and the required classification or specialty.
Washington Registration Washington Verify Tool Review registration, owners, bond, insurance, workers’ compensation and citations.
West Virginia State license West Virginia Contractor Licensing Verify classification, examinations, business registration and local permits.
Wisconsin Dwelling + trades Wisconsin Dwelling Contractor Verify the contractor and qualifier credentials plus regulated trades.
Wyoming Local + trades Wyoming Electrical Licensing General contractor licensing is commonly local; contact the project city or county.
Directory method: the listed state page is the first stop. Always check whether the project also requires a local contractor license, trade credential, permit registration, business license or public-work prequalification.

Construction Contractors Board FAQs

Is there one national construction contractors board?

No. Contractor regulation is divided among state agencies, trade boards and local governments. No single national board issues every construction credential.

Which contractor board should I use?

Start with the state where the work will physically occur. Then identify any city, county and trade-specific authority responsible for the project address and scope.

How do I verify a contractor license?

Search the live official database, match the legal entity to the contract and payment name, confirm active status and classification, and review the qualifier, project limit, bond, insurance, workers’ compensation and public discipline where available.

What if the state does not license general contractors?

Contact the city or county building department serving the project address. Local registration, examinations, insurance, bonds, trade licenses and project permits may still be required.

Is business registration the same as a contractor license?

No. Business registration generally proves that a legal entity exists or may transact business. It does not prove construction authority, competency, classification or project capacity.

Is the NASCLA exam a national contractor license?

No. NASCLA examinations may satisfy an examination requirement for participating agencies, but each jurisdiction still controls its own application and license approval.

Does a contractor license transfer to another state?

Usually not automatically. Exam waivers or reciprocity agreements may reduce testing, but the contractor generally must apply and satisfy the destination state’s entity, fee, financial, bond and insurance requirements.

Do subcontractors need separate licenses?

Requirements depend on the state, trade, project value and local jurisdiction. Electrical, plumbing, HVAC, roofing and other subcontractors commonly require separate credentials.

Does an active contractor license mean a permit is not required?

No. A contractor credential and a project permit serve different purposes. Building and trade permits remain project-specific approvals.

Where should I report an unlicensed contractor?

Start with the contractor authority or local licensing office responsible for the project location. Use the building department for permit violations and the appropriate trade board for electrical, plumbing, HVAC or other specialty violations.

Verify the Company, Scope and Jurisdiction

Property owners: identify the correct authority, verify the live record, check trades and permits, compare equivalent bids and keep a complete written project file.

Contractors: confirm the destination jurisdiction, entity, classification, qualifier, examinations, financial requirements and local registrations before offering covered work.

Find the Official State Route Browse the Directory