Legal age is 18 or older. If 18 or older and under guardianship, a guardian consent form is required. Access the Guardian Consent Form (PDF)
Valid, legal identification for proof of age is required.
State issued identification
Government Issued Foreign ID (accompanied by certified translation when applicable)
Divorce/dissolution information (name of spouse/other party and date, place, and court where granted or dissolved)
Parents names and current address
Place of Birth (City and State)
Social Security number
Social Security Number
Per Colorado Revised Statute 14-14-113, Social Security numbers are required on the civil union license application. If an applicant does not have a Social Security number, an affidavit provided by the clerk’s office must be signed.