Colorado Contractor License Requirements
infoNo State License — Local / County OnlyColorado does not require a state-level general contractor license. Licensing is handled by individual cities and counties. Denver, Colorado Springs, and Aurora each have their own licensing requirements. State-level licenses exist for electrical and plumbing only.
gavelHow Contractor Licensing Works in Colorado
Colorado has no state general contractor license. There is no state board to apply to and no statewide exam; instead, each city and county sets its own rules, and Denver, Colorado Springs, and Aurora each run distinct licensing programs with their own classifications and fees. The two exceptions are electrical and plumbing, which require state licenses issued through DORA regardless of where in Colorado the work happens. This inverts the problem contractors face in strict states like Arizona or California: rather than one hard state process, Colorado presents dozens of easier local ones, and a contractor working across the Front Range may need to hold licenses in several municipalities simultaneously to cover a normal service area.
The working sequence in Colorado: register your business with the Secretary of State, secure workers compensation if you have employees, then map your actual service area against each jurisdiction's licensing office before bidding anything. Fees, exam requirements, and insurance minimums genuinely vary city to city, so verify each one directly rather than assuming Denver's rules apply in Jefferson County. The classic mistake is treating a Denver license as statewide authority; it is not, and pulling a permit in a neighboring city with the wrong credentials stalls the job at inspection. Contractors moving in from licensed states often clear local requirements quickly since many jurisdictions credit exam history and experience, but every application is still local.
account_balanceLicensing Board
Board Name
No state licensing board — local jurisdictions
Website
https://dora.colorado.gov/Phone
(303) 894-7855
descriptionLicense Types
| Type | Threshold | Notes |
|---|---|---|
| Electrical | All work | State electrical license required through DORA |
| Plumbing | All work | State plumbing license required through DORA |
checklistRequirements
- check_circleLocal jurisdiction registration
- check_circleBusiness registration with Secretary of State
paymentsFee Schedule
Application
Varies by city/county
Annual Renewal
Varies by city/county
Exam Fee
Varies by city/county
event_repeatRenewal Period
Varies by jurisdiction
shieldInsurance Minimums
General Liability
Varies by jurisdiction
Workers Compensation
Required if employees
swap_horizReciprocity
- arrow_forwardNot applicable — local licensing
helpFrequently Asked Questions
Do I need a contractor license in Colorado?
Not from the state, for general contracting. Colorado issues no state general contractor license and leaves that to cities and counties, so your requirements depend entirely on where the project sits. Denver, Colorado Springs, and Aurora each have their own programs. Electrical and plumbing are the exceptions: those trades require state licenses through DORA everywhere in Colorado.
Can I work anywhere in Colorado with one local license?
No. A general contractor license issued by Denver is valid in Denver, not in surrounding cities or counties, each of which administers its own program. Contractors serving the Front Range commonly hold several municipal licenses at once. Before bidding in a new jurisdiction, contact its building department to confirm classification, insurance, and exam requirements.
What are the penalties for unlicensed work in Colorado?
Enforcement happens at the local level, where unlicensed general contracting typically means denied permits, stop-work orders, fines, and failed inspections under that jurisdiction's code. For electrical and plumbing, working without the required DORA state license is a state-level violation with more serious consequences. Either way, unpermitted work creates liability that follows the project through resale and insurance claims.
How long does it take to get licensed in Colorado?
It depends on the jurisdiction, but local licensing generally moves faster than state systems elsewhere: many Colorado cities process complete applications in days to a few weeks. The variables are whether the jurisdiction requires an exam or accepts existing credentials, plus your insurance documentation. State electrical and plumbing licenses through DORA follow their own separate timelines and exam requirements.
infoData sourced from state licensing board websites. Requirements change frequently — verify with your state board before applying. Last updated April 2026.