The six classes and subclasses of contractor licenses and their descriptions are listed below:
Class A $225
Unlimited General Contractor - Requires ICC Certification
Entitles the holder to contract for the erection, construction, alteration or repair of any type of building or structure.
Class B $150
Limited General Contractor - Requires ICC Certification
Entitles the holder to contract for the erection, construction, alteration or repair of any type of building or structure except Type I or Type II construction, and for the non-structural interior finish or remodel of any type of building.
Class C $100
Jobber Contractor - Requires ICC Certification
Entitles the holder to contract for the erection, construction, alteration or repair of any building classified as a Group R-3 or Group U1 occupancy.
Class D $75
Entitles the holder to engage in contracting for labor, or for labor and material, involving one trade, or group of related trades as follows:
D-1 Lathing, plastering, drywall
D-5 Excavators, caisson drillers & Drain layers
D-7 Swimming pools
D-8 Fire protection systems
D-10 Fences (except masonry)
D-11 Mobile homes
D-12 Lawn sprinklers
D-13 Patio covers, decks, carports, siding, and awnings
D-14 Glass and glazing
D-15 Wood framing
D-16 Structural steel and metal
Class E $75
Entitles the holder to contract for one particular class of specialty work including, but not limited to, the following:
E-1 HVAC - Requires ICC Certification
E-4 Special Contractor*
*Entitles the holder to contract for any trades not specifically classified elsewhere (i.e. fuel storage and dispensing, low voltage electrical, satellite dish installation, etc.)
Class F $75
Structure Mover/Demolition Contractor
Entitles the holder to engage in the work of razing, demolishing, or destroying buildings and structures of all types.
F-1 Structure mover*
F-2 Demolition contractor*
*Proof of minimum required insurance coverage related to the specific trade must be provided.
Construction activities involving installation, remodel, repair or replacement of systems within or on building or structures requires a Certificate of Registration for the appropriate class of work as follows:
R-1 Electrical (No Fee)
R-2 Plumbing $75
R-3 Plumbing/HVAC $100 (HVAC requires ICC Certification)
A State of Colorado Master License and Contractor License must be presented with all applications for Electrical and Plumbing Contractors.