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Licensing Services



  • Original License by Examination:  You are applying to take an examination in order to qualify for RP, JP, or ME licensure in Colorado.
  • 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 expired and you wish to reinstate the license.
    (If your license has been expired for more than two (2) years, you must take and pass the full written exam. You will be reauthorized for the exam on receipt of a completed reinstatement application). 


Licensing Requirements

  • Click here for licensing requirements for Colorado Plumbers. 



Application for Original License by Examination

Application for Original License by Endorsement

Application to Reinstate an Expired License


Felony Conviction Form



License Expiration Grace Period for New Applicants. License Expiration Grace Period for New Applicants. All new applicants who are issued a license within 120 days of the upcoming renewal expiration date will be issued a license with the subsequent expiration date. For example, licenses issued between November 1, 2014 and February 28, 2015 will reflect a license expiration date of February 28, 2017. Licenses issued prior to November 1, 2014 will reflect an expiration date of February 28, 2015 and must renew in the upcoming renewal period.

License Renewal Information. All Plumbing licenses expire on the last day of February in odd numbered years and must be renewed to continue practicing.


Still have questions?

Please review our list of Frequently Asked Questions for quick answers and email information.


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1560 Broadway, Suite 1350, Denver, CO 80202 Email
(303) 894-7800 - Phone (303) 894-7693 - Fax