Colorado contractor license lookup
Colorado licenses electricians and plumbers statewide through DORA. There is no state license for general contractors or roofers, so check with your city or county. (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.
1. Who needs 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))
2. License types and classes
| Class | Name | Covers |
|---|---|---|
| Electrician | Residential Wireman, Journeyman and Master Electrician | State electrical licenses (source: DPO: Electrical (opens in a new tab)) |
| Plumber | Residential, Journeyworker and Master Plumber | State plumbing licenses (source: DPO: Plumbing (opens in a new tab)) |
| Local | City or county contractor license | Set by each city or county, for example Denver (source: DORA: Home & Repair (opens in a new tab), source: Denver: Contractor Licensing (opens in a new tab)) |
3. Required insurance and bonds
We're still verifying this, check the official board: DORA website (opens in a new tab).
4. How to look up a contractor
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))
5. Red flags when hiring
- An electrician or plumber who isn't in DORA's lookup. (source: DORA: Home & Repair (opens in a new tab))
- In Denver, a contractor citing another city's or state's license; Denver doesn't accept them. (source: Denver: Contractor Licensing (opens in a new tab))
6. Consumer protections and complaints
We're still verifying this, check the official board: DORA website (opens in a new tab).
7. Sources and last verified
Last verified: . Next check due: . Every fact on this page links to one of these official pages. How we verify.
- 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)
Spot something out of date? Email [email protected].
Common questions
Does Colorado license general contractors or roofers?
No. DORA says they aren't state-licensed and to check with your city or county. (source: DORA: Home & Repair (opens in a new tab))
Does Denver accept contractor licenses from elsewhere?
No. Denver does not accept or reciprocate contractor licenses from other counties or states. (source: Denver: Contractor Licensing (opens in a new tab))