Do you need a contractor license in Colorado?
Electricians and plumbers need a DORA license. General contractors and roofers have no state license; check with your city or county before hiring. (source: DORA: Home & Repair (opens in a new tab), source: DPO: Electrical (opens in a new tab), source: DPO: Plumbing (opens in a new tab))
Check a license on the DORA website (official site, opens in a new tab)
How: For electricians and plumbers, use DORA's license lookup linked from this page. For general contractors and roofers, check your city or county. (source: DORA: Home & Repair (opens in a new tab))
Checked against official Colorado Department of Regulatory Agencies, Division of Professions and Occupations sources. See sources.
When do you need a license?
Electricians and plumbers need a DORA license. General contractors and roofers have no state license; check with your city or county before hiring. (source: DORA: Home & Repair (opens in a new tab), source: DPO: Electrical (opens in a new tab), source: DPO: Plumbing (opens in a new tab))
- Example: Denver licenses contractors and requires a supervisor certificate (or a Colorado electrical or plumbing license) first. (source: Denver: Contractor Licensing (opens in a new tab))
Sources and last verified
Last verified: . Next check due: . Every fact on this page links to one of these official pages.
- DORA: Home & Repair (opens in a new tab) (checked Oct 24, 2026)
- DPO: Electrical (opens in a new tab) (checked Oct 24, 2026)
- DPO: Plumbing (opens in a new tab) (checked Oct 24, 2026)
- Denver: Contractor Licensing (opens in a new tab) (checked Oct 24, 2026)
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