Contractor License Lookup by State

Pennsylvania

Local and state requirements

Most construction contractors have no Commonwealth licensure or certification requirement; municipal rules and the distinct statewide home-improvement registration program still apply.

Official source retrieved 2026-09-03.

Washington

State registration

Washington Labor & Industries provides the contractor-registration verification service; registration must be distinguished from trade licensing.

Official source retrieved 2026-09-03.

Texas

Local and state requirements

Texas does not require a state general contractor license. City or county requirements may still apply where the work will occur.

Official source retrieved 2026-09-05.

Idaho

State registration

The Idaho Contractors Board administers contractor registration. Use its registration service to apply, renew or check a contractor’s registration.

Official source retrieved 2026-09-05.

Iowa

State registration

Iowa construction contractors generally register with DIAL when earning at least $2,000 per year from construction. The state provides an online registration application, renewal and contractor search.

Official source retrieved 2026-09-05.

Minnesota

Local and state requirements

Minnesota DLI separates residential contractor, remodeler and roofer credentials from construction contractor registration. Its licensing page also has separate routes for electrical, plumbing, mechanical and other trades.

Official source retrieved 2026-09-05.

Kansas

Local and state requirements

Kansas law allows cities and counties to license general, building and residential contractors using local examinations. These licenses apply within the issuing city or county.

Official source retrieved 2026-09-05.

Michigan

Limited state licensing

Michigan’s Department of Licensing and Regulatory Affairs issues residential builder and residential maintenance and alteration contractor licenses. The latter license specifies the authorized craft or trade.

Official source retrieved 2026-09-05.

Maine

Local and state requirements

Maine’s Attorney General states that home contractors are not licensed or regulated by the state. Its consumer guide explains how to check references and use written home construction contracts.

Official source retrieved 2026-09-05.

Nebraska

State registration

Nebraska requires contractors to register with the Department of Labor. The department provides a public contractor registry.

Official source retrieved 2026-09-05.

Oklahoma

Local and state requirements

Oklahoma does not currently require a state license for general contracting. The Construction Industries Board directs contractors to local jurisdictions for local requirements.

Official source retrieved 2026-09-05.

South Carolina

Limited state licensing

South Carolina’s Residential Builders Commission regulates residential builders and residential specialty contractors. Residential builder work is defined by the building’s size and a project cost exceeding $5,000.

Official source retrieved 2026-09-05.

Maryland

Limited state licensing

Maryland’s Home Improvement Commission licenses covered home-improvement work, including installation of tile, wood and other flooring.

Official source retrieved 2026-09-05.

Delaware

State registration

Delaware construction-service businesses must register with the Department of Labor’s Office of Contractor Registration before beginning work.

Official source retrieved 2026-09-05.

Vermont

State registration

Vermont’s Office of Professional Regulation requires residential contractor registration for covered projects estimated at $10,000 or more, including labor and materials.

Official source retrieved 2026-09-05.

Alaska

State registration

Alaska’s Department of Commerce, Community, and Economic Development issues contractor registration certificates. Registration is required before bidding or working as a contractor, subject to statutory exemptions.

Official source retrieved 2026-09-05.

Rhode Island

State registration

Rhode Island’s Contractors’ Registration and Licensing Board requires registration for contractors and subcontractors who build or repair structures.

Official source retrieved 2026-09-05.

Indiana

Local and state requirements

Indiana’s state business guide directs general contracting licensing questions to the city or county where the work takes place.

Official source retrieved 2026-09-05.

Colorado

Local and state requirements

Colorado’s Attorney General directs homeowners to their city or county to check whether a general contractor is licensed for the area.

Official source retrieved 2026-09-05.

New York

Local and state requirements

New York’s Attorney General identifies local home-improvement contractor licensing in New York City and Suffolk, Nassau, Westchester, Putnam and Rockland counties.

Official source retrieved 2026-09-05.

Connecticut

State registration

Connecticut’s Department of Consumer Protection requires Home Improvement Contractor registration for covered work contracted directly with consumers on residential property.

Official source retrieved 2026-09-05.

Massachusetts

State registration

Massachusetts requires Home Improvement Contractor registration for covered contracting on existing, owner-occupied residential properties with one to four units.

Official source retrieved 2026-09-05.

Wisconsin

State certificate

Wisconsin’s Dwelling Contractor or Dwelling Contractor Restricted certification is required to obtain covered building permits for one- and two-family dwellings, subject to statutory exceptions.

Official source retrieved 2026-09-05.

Wyoming

Local and state requirements

Wyoming directs contractor licensing other than electrical contracting to the local jurisdiction where construction takes place.

Official source retrieved 2026-09-05.

Ohio

Local and state requirements

Ohio’s Attorney General says state law does not require home-improvement contractors to be licensed, while many Ohio cities do.

Official source retrieved 2026-09-05.

Guided license check

Reach the official search, follow the board’s check sequence and read what the status label means, with a printable worksheet.

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