We maintain vital statistics about adoption and administer the Colorado Voluntary Adoption Registry to make voluntary contact easier between Colorado-born adoptees 18 or older and their birth parents.
Effective January 1, 2016, adult adoptees and other eligible parties (see application for eligible parties), regardless of when the adoption took place, may apply for a copy of the original birth certificate. 
Currently, adoption records are open to eligible parties through the Colorado courts using form JDF 532T — Request for Access to Adoption Records. 
Access to adoption information
Colorado Revised Statute §19-5-305 details how adoption records may be accessed by by adoptees and other eligible parties.
Attorney or court report of an adoption, notification of new birth certificate letter, application for birth certificate, foreign-born adoption, "Issued Pursuant to Adoption," no report of adoption submitted
How to get your original birth certificate
We maintain an adoption registry to make voluntary contact easier between Colorado-born adoptees 18 or older and their birth parents.
Contact preference for adoptee and adoptive parents, non-identifying information about birth parents.
Visual examples of heirloom certificates