Licensee / Applicant Services

Plumbers

For information about Plumbing Contractor registrations, visit this web page.

Laws, Rules, Policies	Licensing Information	Other Services
Plumbers Practice Act (CRS 12-58-101)	Licensing Requirements	Automated License Verification
Rules and Regulations	Application for Original License by Examination	Change Your Address
Policies	Reapplication for Original License	Change Your Name
	Application for License by Endorsement	Request a Duplicate License
Other Resources	Application to Reinstate an Expired License	Request a Verification of your Colorado License
ADA Exam Accommodation	Felony Conviction Form	Download a List of Licensed Professionals
Frequently Asked Questions	Affidavit of Eligibility (must be completed by all applicants)	Wall Certificates

License Renewal Information. All plumbing licenses expire on August 31 in odd-numbered years. Renewal forms are mailed to the last known address on file approximately six (6) weeks prior to the expiration date.

Definitions:

Original License by Examination. You are applying to take an examination in order to qualify for licensure in Colorado.
- Reapplication for Original License. You previously have been approved for the exam but have not taken the exam in more than one (1) year.
Original License by Endorsement. You hold an active license in another state and wish to apply for licensure in Colorado.
Renew. You currently hold a Colorado license and are in a renewal period.
Reinstate. Your Colorado license has lapsed or expired and you wish to reinstate the license.
(For purposes of licensure status, the terms "lapsed" and "expired" have the same meaning.)
- If your license has been lapsed or expired for more than two years, you must take and pass the full written exam. You will be reauthorized for the exam on receipt of a completed reinstatement application.

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