Colorado Contractor Licenses
In the state of Colorado, a General contractor does not have a statewide license requirement. Most GC projects are regulated at a county level. To verify if you need a General contractor license in your county please visit Denver Contractor Licensing or Boulder Contractor Licensing.
Select a license to view its requirements, definition, exams, books, and classes.
A Journeyman Plumber engages in or works at the actual installation, alteration,repair, and renovation of plumbing in accordance with the standards and rules established by the board.
A Journeyman Wireman may install, and repair electrical apparatus and equipment for electric light, heat, and power, and for other purposes, in accordance with standard rules governing the work.
Master Electrician work includes the installation and repair of wiring apparatus and equipment for electric light, heat, and power, and for other purposes, in accordance with standard rules governing the work, such as the national electrical code.
A Master Plumber may install and repair plumbing apparatus and equipment including the supervision of such in accordance with the standards and rules established by the board.
A Residential Plumber may install plumbing and equipment in one-, two-, three-, and four-family dwellings, which dwellings shall not extend more than two stories aboveground.
A residential wireman install, electrical apparatus and equipment for wiring one-, two-, three-, and four-family dwellings.
- Written by Lissie G.