Colorado Contractors License | EXAMPREP.ORG

Colorado Contractors License

Colorado Commercial


General Building Contractor A is licensed to construct, remodel, or repair any structure or addition Building Contractor B is licensed to construct, remodel, or repair commercial buildings and single-multi-dwelling buildings not exceeding 3 stories Residential Building Contractor C is licensed to construct, remodel, or repair residential buildings not exceeding two stories

Colorado Electrical


Requirements Master electrician license applicants must have five years experience and training documented, and pass the master electrician’s examination.

Residential wiremen must have two years experience.

Electrical contractors must be, or employ, a master electrician registered with the State Board.

Colorado Plumbing


Plumbing work is regulated at the state level and, in some cases, at the local level.

Experience requirements consist of five years for masters, two years or 3,400 hours for residential, and four years or 6,800 hours for journeymen. Reciprocity Plumbing licenses, in some cases, may be obtained by endorsement. For endorsement information, contact the board.