Contractor License LookupAll 50 states.

Colorado does not license general contractors at the state level — they are licensed by city/county. The state licenses electricians and plumbers.

Illinois does not license general contractors statewide. Plumbers, electricians, and roofers are licensed by the state; other trades and general contracting are regulated locally.

Indiana licenses plumbers and HVAC contractors statewide. General contractor licensing is handled by individual cities and counties.

Iowa requires contractors who do $2,000+ of work per year to register with the state. This is a registration system, not a competency license.

Kansas does not license or register general contractors at the state level. Each city or county sets its own rules — check with your local building department.

Kentucky licenses HVAC, plumbing, and electrical contractors statewide. General contracting is regulated at the local level.

Maine does not license residential general contractors. Plumbers, electricians, and a few other trades are licensed through the ALMS Online portal.

Maryland licenses residential improvement contractors (MHIC). The link runs the official MHIC public query.

Massachusetts issues both Home Improvement Contractor (HIC) registrations and Construction Supervisor Licenses (CSL). Confirm the contractor holds the right one for your project.

Missouri does not license general contractors at the state level. Cities like Kansas City and St. Louis run their own licensing programs.

Montana requires contractors with employees to register with the state (Independent Contractor Central Unit). It is a registration program, not a competency license.

Nebraska requires contractors to register with the Department of Labor. Cities (like Omaha and Lincoln) layer their own competency licenses on top.

New Hampshire does not license residential general contractors. Plumbers, electricians, and a handful of other trades are licensed by the state.

Home improvement contractors must register with the state. Specialty trades (electrical, plumbing, HVAC) are separately licensed.

New York State does not license general contractors. Each county and major city — most notably NYC, where the Department of Buildings runs the Home Improvement Contractor program — handles its own licensing.

Contractor licenses are issued by the Secretary of State. Search by business name in the FirstStop portal.

Ohio licenses commercial-trade specialty contractors (HVAC, plumbing, electrical, hydronics, refrigeration). Residential general contractors are licensed locally.

CIB licenses electrical, plumbing, mechanical (HVAC), and roofing contractors. The hub page links to each trade-specific lookup.

Pennsylvania requires home improvement contractors to register with the AG. Specialty trades may carry separate municipal licenses.

South Dakota does not license contractors at the state level. Most licensing happens through city building departments.

Texas does not license general contractors at the state level. Electricians, HVAC contractors, and a few other trades are licensed through TDLR; plumbers are licensed through the Texas State Board of Plumbing Examiners.

Vermont licenses electricians, plumbers, and a small number of other trades. Residential remodelers must register with OPR if they take on $10,000+ projects.

Washington requires every contractor to register with L&I, post a bond, and carry liability insurance. The lookup also surfaces lawsuits and violations.

Wyoming has no state-level contractor licensing. Cities like Cheyenne and Casper run local programs; other areas have no licensing requirement at all.