| Contractor | Biannual Fee |
|---|---|
| Class A | $150 |
| Class B | $125 |
| Class C | $100 |
| Specialized Single Trade | $75 |
| Jobbers | $75 |
| Mechanical | $75 |
| Gas Piping | $75 |
| Plumbing | Exempt* |
| Electrical | Exempt* |
| Mobile Home Installer | Exempt* |
| Elevator/conveyance | Exempt* |
*These contractors are required to be licensed/registered by the State of Colorado and need to pay their license/registration fee to the State keeping their license/registration active.