Plumber licenses in
Colorado
Colorado licenses plumbers statewide.
Search Colorado plumber licenses (opens official site)
Official search run by Colorado State Plumbing Board (DORA Division of Professions and Occupations) at apps2.colorado.gov.
What the license should say
In Colorado you'll see one of these on a plumber's card, bid or truck:
- Master plumber
- Individual; state plumbing license issued by examination or endorsement.
- Journeyworker plumber
- Individual; state plumbing license issued by examination or endorsement.
- Residential plumber
- Individual; installs plumbing in one- to four-family dwellings of no more than two stories (CRS 12-155-103(13)).
- Plumbing contractor registration
- Business; registration with the State Plumbing Board, renewed in February of odd years.
- Water conditioning contractor registration
- Business; registration for water conditioning installers.
Hiring a company, not a person?
Plumbing contractor registration with the State Plumbing Board, which includes an Acknowledgment of Responsibility form naming the responsible licensee.
Doing it yourself
No license is required to do plumbing work on your own property or residence, but the exemption does not cover property intended for sale or lease or commercial buildings (CRS 12-155-118(2)).
Before you hire
- Contractor licensing in Colorado (small-job limits, bonds, permits)
- How to check a license in Colorado, step by step
- Before-you-hire checklist (one page, free PDF)
- File a complaint about a plumber (opens official site)
Keep this handy
We'll email you the one-page before-you-hire checklist, plus occasional tips on hiring safely.