| Alabama | Alabama Electrical Contractors Board ↗ Alabama Licensing Board for General Contractors ↗ | Guide |
| Alaska | Alaska Department of Labor, Mechanical Inspection + CBPL ↗ Alaska Division of Corporations, Business and Professional Licensing (construction contractor registration) ↗ | Guide |
| Arizona | Arizona Registrar of Contractors ↗ Arizona Registrar of Contractors ↗ | Guide |
| Arkansas | Arkansas Department of Labor and Licensing ↗ Arkansas Contractors Licensing Board ↗ | Guide |
| California | CSLB (C-10) + DIR electrician certification ↗ Contractors State License Board (CSLB) ↗ | Guide |
| Colorado | Colorado State Electrical Board (DORA) ↗ No statewide license in Colorado for this work. Your city or county licenses it. | Guide |
| Connecticut | Connecticut Department of Consumer Protection ↗ Connecticut Department of Consumer Protection (home improvement registration) ↗ | Guide |
| Delaware | Delaware Board of Electrical Examiners ↗ Delaware Division of Revenue (contractor business licence) ↗ | Guide |
| District of Columbia | DC Department of Licensing and Consumer Protection ↗ DC Department of Licensing and Consumer Protection ↗ | Guide |
| Florida | Florida Electrical Contractors Licensing Board (DBPR) ↗ Florida Construction Industry Licensing Board (DBPR) ↗ | Guide |
| Georgia | Georgia State Construction Industry Licensing Board ↗ Georgia State Licensing Board for Residential and General Contractors ↗ | Guide |
| Hawaii | Hawaii Board of Electricians and Plumbers ↗ Hawaii Contractors License Board ↗ | Guide |
| Idaho | Idaho Division of Occupational and Professional Licenses ↗ Idaho Division of Occupational and Professional Licenses (contractor registration) ↗ | Guide |
| Illinois | No statewide license in Illinois for this work. Your city or county licenses it. No statewide license in Illinois for this work. Your city or county licenses it. | Guide |
| Indiana | No statewide license in Indiana for this work. Your city or county licenses it. No statewide license in Indiana for this work. Your city or county licenses it. | Guide |
| Iowa | Iowa Electrical Examining Board ↗ Iowa Division of Labor (contractor registration) ↗ | Guide |
| Kansas | No statewide license in Kansas for this work. Your city or county licenses it. No statewide license in Kansas for this work. Your city or county licenses it. | Guide |
| Kentucky | Kentucky Department of Housing, Buildings and Construction ↗ No statewide license in Kentucky for this work. Your city or county licenses it. | Guide |
| Louisiana | Louisiana State Licensing Board for Contractors ↗ Louisiana State Licensing Board for Contractors ↗ | Guide |
| Maine | Maine Electricians' Examining Board ↗ No statewide license in Maine for this work. Your city or county licenses it. | Guide |
| Maryland | Maryland State Board of Master Electricians ↗ Maryland Home Improvement Commission ↗ | Guide |
| Massachusetts | Massachusetts Board of State Examiners of Electricians ↗ Massachusetts Office of Public Safety and Inspections (CSL) + home improvement contractor registration ↗ | Guide |
| Michigan | Michigan LARA Bureau of Construction Codes ↗ Michigan LARA Residential Builders and Maintenance & Alteration Contractors ↗ | Guide |
| Minnesota | Minnesota Department of Labor and Industry, Board of Electricity ↗ Minnesota Department of Labor and Industry (residential building contractor) ↗ | Guide |
| Mississippi | Mississippi State Board of Contractors ↗ Mississippi State Board of Contractors ↗ | Guide |
| Missouri | No statewide license in Missouri for this work. Your city or county licenses it. No statewide license in Missouri for this work. Your city or county licenses it. | Guide |
| Montana | Montana State Electrical Board ↗ Montana Department of Labor and Industry (construction contractor registration) ↗ | Guide |
| Nebraska | Nebraska State Electrical Division ↗ Nebraska Department of Labor (contractor registration) ↗ | Guide |
| Nevada | Nevada State Contractors Board ↗ Nevada State Contractors Board ↗ | Guide |
| New Hampshire | New Hampshire Electricians' Board (OPLC) ↗ No statewide license in New Hampshire for this work. Your city or county licenses it. | Guide |
| New Jersey | New Jersey Board of Examiners of Electrical Contractors ↗ New Jersey Division of Consumer Affairs (home improvement contractor registration) ↗ | Guide |
| New Mexico | New Mexico Construction Industries Division ↗ New Mexico Construction Industries Division ↗ | Guide |
| New York | No statewide license in New York for this work. Your city or county licenses it. No statewide license in New York for this work. Your city or county licenses it. | Guide |
| North Carolina | North Carolina State Board of Examiners of Electrical Contractors ↗ North Carolina Licensing Board for General Contractors ↗ | Guide |
| North Dakota | North Dakota State Electrical Board ↗ North Dakota Secretary of State (contractor licence) ↗ | Guide |
| Ohio | Ohio Construction Industry Licensing Board ↗ No statewide license in Ohio for this work. Your city or county licenses it. | Guide |
| Oklahoma | Oklahoma Construction Industries Board ↗ No statewide license in Oklahoma for this work. Your city or county licenses it. | Guide |
| Oregon | Oregon Building Codes Division + CCB ↗ Oregon Construction Contractors Board ↗ | Guide |
| Pennsylvania | No statewide license in Pennsylvania for this work. Your city or county licenses it. Pennsylvania Attorney General (home improvement contractor registration) ↗ | Guide |
| Rhode Island | Rhode Island Department of Labor and Training ↗ Rhode Island Contractors' Registration and Licensing Board ↗ | Guide |
| South Carolina | South Carolina LLR ↗ South Carolina Contractors Licensing Board (LLR) + Residential Builders Commission ↗ | Guide |
| South Dakota | South Dakota Electrical Commission ↗ No statewide license in South Dakota for this work. Your city or county licenses it. | Guide |
| Tennessee | Tennessee Board for Licensing Contractors ↗ Tennessee Board for Licensing Contractors ↗ | Guide |
| Texas | Texas Department of Licensing and Regulation ↗ No statewide license in Texas for this work. Your city or county licenses it. | Guide |
| Utah | Utah Division of Professional Licensing ↗ Utah Division of Professional Licensing ↗ | Guide |
| Vermont | Vermont Division of Fire Safety (electrical licensing) ↗ Vermont Office of Professional Regulation (residential contractor registration) ↗ | Guide |
| Virginia | Virginia Board for Contractors (DPOR) ↗ Virginia Board for Contractors (DPOR) ↗ | Guide |
| Washington | Washington Department of Labor and Industries ↗ Washington Department of Labor and Industries (contractor registration) ↗ | Guide |
| West Virginia | West Virginia State Fire Marshal ↗ West Virginia Contractor Licensing Board ↗ | Guide |
| Wisconsin | Wisconsin Department of Safety and Professional Services ↗ Wisconsin Department of Safety and Professional Services (dwelling contractor) ↗ | Guide |
| Wyoming | Wyoming Department of Fire Prevention and Electrical Safety ↗ No statewide license in Wyoming for this work. Your city or county licenses it. | Guide |